Dave Chinner | 0b61f8a | 2018-06-05 19:42:14 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 3 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
| 4 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | #include "xfs.h" |
| 7 | #include "xfs_fs.h" |
Dave Chinner | a4fbe6a | 2013-10-23 10:51:50 +1100 | [diff] [blame] | 8 | #include "xfs_shared.h" |
Dave Chinner | 6ca1c90 | 2013-08-12 20:49:26 +1000 | [diff] [blame] | 9 | #include "xfs_format.h" |
Dave Chinner | 239880e | 2013-10-23 10:50:10 +1100 | [diff] [blame] | 10 | #include "xfs_log_format.h" |
Dave Chinner | 239880e | 2013-10-23 10:50:10 +1100 | [diff] [blame] | 11 | #include "xfs_trans_resv.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 12 | #include "xfs_bit.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #include "xfs_sb.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include "xfs_mount.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #include "xfs_inode.h" |
Darrick J. Wong | ebd126a | 2019-07-02 09:39:39 -0700 | [diff] [blame] | 16 | #include "xfs_iwalk.h" |
Dave Chinner | 239880e | 2013-10-23 10:50:10 +1100 | [diff] [blame] | 17 | #include "xfs_quota.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 18 | #include "xfs_bmap.h" |
Christoph Hellwig | 8bfadd8 | 2017-08-29 15:44:14 -0700 | [diff] [blame] | 19 | #include "xfs_bmap_util.h" |
Dave Chinner | 239880e | 2013-10-23 10:50:10 +1100 | [diff] [blame] | 20 | #include "xfs_trans.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include "xfs_trans_space.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include "xfs_qm.h" |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 23 | #include "xfs_trace.h" |
Dave Chinner | 33479e0 | 2012-10-08 21:56:11 +1100 | [diff] [blame] | 24 | #include "xfs_icache.h" |
Darrick J. Wong | a5155b8 | 2019-11-02 09:40:53 -0700 | [diff] [blame] | 25 | #include "xfs_error.h" |
Dave Chinner | 9bbafc71 | 2021-06-02 10:48:24 +1000 | [diff] [blame] | 26 | #include "xfs_ag.h" |
Dave Chinner | b652afd | 2021-06-02 10:48:24 +1000 | [diff] [blame] | 27 | #include "xfs_ialloc.h" |
Dave Chinner | 01728b4 | 2022-03-17 09:09:13 -0700 | [diff] [blame] | 28 | #include "xfs_log_priv.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
| 30 | /* |
| 31 | * The global quota manager. There is only one of these for the entire |
| 32 | * system, _not_ one per file system. XQM keeps track of the overall |
| 33 | * quota functionality, including maintaining the freelist and hash |
| 34 | * tables of dquots. |
| 35 | */ |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 36 | STATIC int xfs_qm_init_quotainos(struct xfs_mount *mp); |
| 37 | STATIC int xfs_qm_init_quotainfo(struct xfs_mount *mp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 39 | STATIC void xfs_qm_destroy_quotainos(struct xfs_quotainfo *qi); |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 40 | STATIC void xfs_qm_dqfree_one(struct xfs_dquot *dqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | /* |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 42 | * We use the batch lookup interface to iterate over the dquots as it |
| 43 | * currently is the only interface into the radix tree code that allows |
| 44 | * fuzzy lookups instead of exact matches. Holding the lock over multiple |
| 45 | * operations is fine as all callers are used either during mount/umount |
| 46 | * or quotaoff. |
| 47 | */ |
| 48 | #define XFS_DQ_LOOKUP_BATCH 32 |
| 49 | |
| 50 | STATIC int |
| 51 | xfs_qm_dquot_walk( |
| 52 | struct xfs_mount *mp, |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 53 | xfs_dqtype_t type, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 54 | int (*execute)(struct xfs_dquot *dqp, void *data), |
| 55 | void *data) |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 56 | { |
| 57 | struct xfs_quotainfo *qi = mp->m_quotainfo; |
Chandra Seetharaman | 329e087 | 2013-06-27 17:25:05 -0500 | [diff] [blame] | 58 | struct radix_tree_root *tree = xfs_dquot_tree(qi, type); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 59 | uint32_t next_index; |
| 60 | int last_error = 0; |
| 61 | int skipped; |
| 62 | int nr_found; |
| 63 | |
| 64 | restart: |
| 65 | skipped = 0; |
| 66 | next_index = 0; |
| 67 | nr_found = 0; |
| 68 | |
| 69 | while (1) { |
| 70 | struct xfs_dquot *batch[XFS_DQ_LOOKUP_BATCH]; |
Li zeming | e195605 | 2023-01-03 09:54:28 -0800 | [diff] [blame] | 71 | int error; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 72 | int i; |
| 73 | |
| 74 | mutex_lock(&qi->qi_tree_lock); |
| 75 | nr_found = radix_tree_gang_lookup(tree, (void **)batch, |
| 76 | next_index, XFS_DQ_LOOKUP_BATCH); |
| 77 | if (!nr_found) { |
| 78 | mutex_unlock(&qi->qi_tree_lock); |
| 79 | break; |
| 80 | } |
| 81 | |
| 82 | for (i = 0; i < nr_found; i++) { |
| 83 | struct xfs_dquot *dqp = batch[i]; |
| 84 | |
Darrick J. Wong | c51df73 | 2020-07-14 10:37:30 -0700 | [diff] [blame] | 85 | next_index = dqp->q_id + 1; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 86 | |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 87 | error = execute(batch[i], data); |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 88 | if (error == -EAGAIN) { |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 89 | skipped++; |
| 90 | continue; |
| 91 | } |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 92 | if (error && last_error != -EFSCORRUPTED) |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 93 | last_error = error; |
| 94 | } |
| 95 | |
| 96 | mutex_unlock(&qi->qi_tree_lock); |
| 97 | |
| 98 | /* bail out if the filesystem is corrupted. */ |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 99 | if (last_error == -EFSCORRUPTED) { |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 100 | skipped = 0; |
| 101 | break; |
| 102 | } |
Brian Foster | cfaf2d0 | 2017-07-24 08:33:25 -0700 | [diff] [blame] | 103 | /* we're done if id overflows back to zero */ |
| 104 | if (!next_index) |
| 105 | break; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | if (skipped) { |
| 109 | delay(1); |
| 110 | goto restart; |
| 111 | } |
| 112 | |
| 113 | return last_error; |
| 114 | } |
| 115 | |
| 116 | |
| 117 | /* |
| 118 | * Purge a dquot from all tracking data structures and free it. |
| 119 | */ |
| 120 | STATIC int |
| 121 | xfs_qm_dqpurge( |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 122 | struct xfs_dquot *dqp, |
| 123 | void *data) |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 124 | { |
Dave Chinner | 01728b4 | 2022-03-17 09:09:13 -0700 | [diff] [blame] | 125 | struct xfs_quotainfo *qi = dqp->q_mount->m_quotainfo; |
Brian Foster | 8d3d7e2 | 2020-03-27 08:29:45 -0700 | [diff] [blame] | 126 | int error = -EAGAIN; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 127 | |
| 128 | xfs_dqlock(dqp); |
Darrick J. Wong | 985a78f | 2020-07-14 10:37:13 -0700 | [diff] [blame] | 129 | if ((dqp->q_flags & XFS_DQFLAG_FREEING) || dqp->q_nrefs != 0) |
Brian Foster | 8d3d7e2 | 2020-03-27 08:29:45 -0700 | [diff] [blame] | 130 | goto out_unlock; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 131 | |
Darrick J. Wong | 985a78f | 2020-07-14 10:37:13 -0700 | [diff] [blame] | 132 | dqp->q_flags |= XFS_DQFLAG_FREEING; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 133 | |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 134 | xfs_dqflock(dqp); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 135 | |
| 136 | /* |
| 137 | * If we are turning this type of quotas off, we don't care |
| 138 | * about the dirty metadata sitting in this dquot. OTOH, if |
| 139 | * we're unmounting, we do care, so we flush it and wait. |
| 140 | */ |
| 141 | if (XFS_DQ_IS_DIRTY(dqp)) { |
Christoph Hellwig | fe7257f | 2012-04-23 15:58:37 +1000 | [diff] [blame] | 142 | struct xfs_buf *bp = NULL; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 143 | |
| 144 | /* |
| 145 | * We don't care about getting disk errors here. We need |
| 146 | * to purge this dquot anyway, so we go ahead regardless. |
| 147 | */ |
Christoph Hellwig | fe7257f | 2012-04-23 15:58:37 +1000 | [diff] [blame] | 148 | error = xfs_qm_dqflush(dqp, &bp); |
Darrick J. Wong | 609001b | 2018-05-04 15:30:20 -0700 | [diff] [blame] | 149 | if (!error) { |
Christoph Hellwig | fe7257f | 2012-04-23 15:58:37 +1000 | [diff] [blame] | 150 | error = xfs_bwrite(bp); |
| 151 | xfs_buf_relse(bp); |
Brian Foster | 8d3d7e2 | 2020-03-27 08:29:45 -0700 | [diff] [blame] | 152 | } else if (error == -EAGAIN) { |
Darrick J. Wong | 985a78f | 2020-07-14 10:37:13 -0700 | [diff] [blame] | 153 | dqp->q_flags &= ~XFS_DQFLAG_FREEING; |
Brian Foster | 8d3d7e2 | 2020-03-27 08:29:45 -0700 | [diff] [blame] | 154 | goto out_unlock; |
Christoph Hellwig | fe7257f | 2012-04-23 15:58:37 +1000 | [diff] [blame] | 155 | } |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 156 | xfs_dqflock(dqp); |
| 157 | } |
| 158 | |
| 159 | ASSERT(atomic_read(&dqp->q_pincount) == 0); |
Dave Chinner | 01728b4 | 2022-03-17 09:09:13 -0700 | [diff] [blame] | 160 | ASSERT(xlog_is_shutdown(dqp->q_logitem.qli_item.li_log) || |
Dave Chinner | 22525c1 | 2018-05-09 07:47:34 -0700 | [diff] [blame] | 161 | !test_bit(XFS_LI_IN_AIL, &dqp->q_logitem.qli_item.li_flags)); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 162 | |
| 163 | xfs_dqfunlock(dqp); |
| 164 | xfs_dqunlock(dqp); |
| 165 | |
Darrick J. Wong | 51dbb1b | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 166 | radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 167 | qi->qi_dquots--; |
| 168 | |
| 169 | /* |
| 170 | * We move dquots to the freelist as soon as their reference count |
| 171 | * hits zero, so it really should be on the freelist here. |
| 172 | */ |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 173 | ASSERT(!list_empty(&dqp->q_lru)); |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 174 | list_lru_del(&qi->qi_lru, &dqp->q_lru); |
Dave Chinner | 01728b4 | 2022-03-17 09:09:13 -0700 | [diff] [blame] | 175 | XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 176 | |
| 177 | xfs_qm_dqdestroy(dqp); |
Jie Liu | df8052e | 2013-11-26 21:38:49 +0800 | [diff] [blame] | 178 | return 0; |
Brian Foster | 8d3d7e2 | 2020-03-27 08:29:45 -0700 | [diff] [blame] | 179 | |
| 180 | out_unlock: |
| 181 | xfs_dqunlock(dqp); |
| 182 | return error; |
Jie Liu | df8052e | 2013-11-26 21:38:49 +0800 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | /* |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 186 | * Purge the dquot cache. |
| 187 | */ |
Christoph Hellwig | 40b5222 | 2021-08-06 11:05:36 -0700 | [diff] [blame] | 188 | static void |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 189 | xfs_qm_dqpurge_all( |
Christoph Hellwig | e497dfba | 2021-08-06 11:05:36 -0700 | [diff] [blame] | 190 | struct xfs_mount *mp) |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 191 | { |
Christoph Hellwig | e497dfba | 2021-08-06 11:05:36 -0700 | [diff] [blame] | 192 | xfs_qm_dquot_walk(mp, XFS_DQTYPE_USER, xfs_qm_dqpurge, NULL); |
| 193 | xfs_qm_dquot_walk(mp, XFS_DQTYPE_GROUP, xfs_qm_dqpurge, NULL); |
| 194 | xfs_qm_dquot_walk(mp, XFS_DQTYPE_PROJ, xfs_qm_dqpurge, NULL); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | * Just destroy the quotainfo structure. |
| 199 | */ |
| 200 | void |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 201 | xfs_qm_unmount( |
| 202 | struct xfs_mount *mp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | { |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 204 | if (mp->m_quotainfo) { |
Christoph Hellwig | e497dfba | 2021-08-06 11:05:36 -0700 | [diff] [blame] | 205 | xfs_qm_dqpurge_all(mp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | xfs_qm_destroy_quotainfo(mp); |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 207 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | } |
| 209 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | /* |
| 211 | * Called from the vfsops layer. |
| 212 | */ |
Christoph Hellwig | e57481d | 2008-12-03 12:20:36 +0100 | [diff] [blame] | 213 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | xfs_qm_unmount_quotas( |
| 215 | xfs_mount_t *mp) |
| 216 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | /* |
| 218 | * Release the dquots that root inode, et al might be holding, |
| 219 | * before we flush quotas and blow away the quotainfo structure. |
| 220 | */ |
| 221 | ASSERT(mp->m_rootip); |
| 222 | xfs_qm_dqdetach(mp->m_rootip); |
| 223 | if (mp->m_rbmip) |
| 224 | xfs_qm_dqdetach(mp->m_rbmip); |
| 225 | if (mp->m_rsumip) |
| 226 | xfs_qm_dqdetach(mp->m_rsumip); |
| 227 | |
| 228 | /* |
Christoph Hellwig | e57481d | 2008-12-03 12:20:36 +0100 | [diff] [blame] | 229 | * Release the quota inodes. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | if (mp->m_quotainfo) { |
Christoph Hellwig | e57481d | 2008-12-03 12:20:36 +0100 | [diff] [blame] | 232 | if (mp->m_quotainfo->qi_uquotaip) { |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 233 | xfs_irele(mp->m_quotainfo->qi_uquotaip); |
Christoph Hellwig | e57481d | 2008-12-03 12:20:36 +0100 | [diff] [blame] | 234 | mp->m_quotainfo->qi_uquotaip = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | } |
Christoph Hellwig | e57481d | 2008-12-03 12:20:36 +0100 | [diff] [blame] | 236 | if (mp->m_quotainfo->qi_gquotaip) { |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 237 | xfs_irele(mp->m_quotainfo->qi_gquotaip); |
Christoph Hellwig | e57481d | 2008-12-03 12:20:36 +0100 | [diff] [blame] | 238 | mp->m_quotainfo->qi_gquotaip = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | } |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 240 | if (mp->m_quotainfo->qi_pquotaip) { |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 241 | xfs_irele(mp->m_quotainfo->qi_pquotaip); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 242 | mp->m_quotainfo->qi_pquotaip = NULL; |
| 243 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | } |
| 246 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | STATIC int |
| 248 | xfs_qm_dqattach_one( |
Pavel Reichl | aefe69a | 2019-11-12 17:04:02 -0800 | [diff] [blame] | 249 | struct xfs_inode *ip, |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 250 | xfs_dqtype_t type, |
Pavel Reichl | aefe69a | 2019-11-12 17:04:02 -0800 | [diff] [blame] | 251 | bool doalloc, |
| 252 | struct xfs_dquot **IO_idqpp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | { |
Pavel Reichl | aefe69a | 2019-11-12 17:04:02 -0800 | [diff] [blame] | 254 | struct xfs_dquot *dqp; |
| 255 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 257 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | error = 0; |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 259 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | /* |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 261 | * See if we already have it in the inode itself. IO_idqpp is &i_udquot |
| 262 | * or &i_gdquot. This made the code look weird, but made the logic a lot |
| 263 | * simpler. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | */ |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 265 | dqp = *IO_idqpp; |
| 266 | if (dqp) { |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 267 | trace_xfs_dqattach_found(dqp); |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 268 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | /* |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 272 | * Find the dquot from somewhere. This bumps the reference count of |
| 273 | * dquot and returns it locked. This can return ENOENT if dquot didn't |
| 274 | * exist on disk and we didn't ask it to allocate; ESRCH if quotas got |
| 275 | * turned off suddenly. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | */ |
Darrick J. Wong | 4882c19 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 277 | error = xfs_qm_dqget_inode(ip, type, doalloc, &dqp); |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 278 | if (error) |
| 279 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 281 | trace_xfs_dqattach_get(dqp); |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 282 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | /* |
| 284 | * dqget may have dropped and re-acquired the ilock, but it guarantees |
| 285 | * that the dquot returned is the one that should go in the inode. |
| 286 | */ |
| 287 | *IO_idqpp = dqp; |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 288 | xfs_dqunlock(dqp); |
| 289 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | } |
| 291 | |
Christoph Hellwig | b4d05e3 | 2012-03-27 10:34:46 -0400 | [diff] [blame] | 292 | static bool |
| 293 | xfs_qm_need_dqattach( |
| 294 | struct xfs_inode *ip) |
| 295 | { |
| 296 | struct xfs_mount *mp = ip->i_mount; |
| 297 | |
Christoph Hellwig | b4d05e3 | 2012-03-27 10:34:46 -0400 | [diff] [blame] | 298 | if (!XFS_IS_QUOTA_ON(mp)) |
| 299 | return false; |
| 300 | if (!XFS_NOT_DQATTACHED(mp, ip)) |
| 301 | return false; |
Chandra Seetharaman | 9cad19d | 2013-06-27 17:25:04 -0500 | [diff] [blame] | 302 | if (xfs_is_quota_inode(&mp->m_sb, ip->i_ino)) |
Christoph Hellwig | b4d05e3 | 2012-03-27 10:34:46 -0400 | [diff] [blame] | 303 | return false; |
| 304 | return true; |
| 305 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | |
| 307 | /* |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 308 | * Given a locked inode, attach dquot(s) to it, taking U/G/P-QUOTAON |
| 309 | * into account. |
Darrick J. Wong | 30ab2dc | 2018-05-04 15:30:24 -0700 | [diff] [blame] | 310 | * If @doalloc is true, the dquot(s) will be allocated if needed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | * Inode may get unlocked and relocked in here, and the caller must deal with |
| 312 | * the consequences. |
| 313 | */ |
| 314 | int |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 315 | xfs_qm_dqattach_locked( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | xfs_inode_t *ip, |
Darrick J. Wong | 4882c19 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 317 | bool doalloc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | { |
| 319 | xfs_mount_t *mp = ip->i_mount; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | int error = 0; |
| 321 | |
Christoph Hellwig | b4d05e3 | 2012-03-27 10:34:46 -0400 | [diff] [blame] | 322 | if (!xfs_qm_need_dqattach(ip)) |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 323 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 325 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 327 | if (XFS_IS_UQUOTA_ON(mp) && !ip->i_udquot) { |
Kaixu Xia | 74af4c1 | 2020-09-22 09:19:18 -0700 | [diff] [blame] | 328 | error = xfs_qm_dqattach_one(ip, XFS_DQTYPE_USER, |
| 329 | doalloc, &ip->i_udquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | if (error) |
| 331 | goto done; |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 332 | ASSERT(ip->i_udquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | } |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 334 | |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 335 | if (XFS_IS_GQUOTA_ON(mp) && !ip->i_gdquot) { |
Kaixu Xia | 74af4c1 | 2020-09-22 09:19:18 -0700 | [diff] [blame] | 336 | error = xfs_qm_dqattach_one(ip, XFS_DQTYPE_GROUP, |
| 337 | doalloc, &ip->i_gdquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | if (error) |
| 339 | goto done; |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 340 | ASSERT(ip->i_gdquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | } |
| 342 | |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 343 | if (XFS_IS_PQUOTA_ON(mp) && !ip->i_pdquot) { |
Kaixu Xia | 74af4c1 | 2020-09-22 09:19:18 -0700 | [diff] [blame] | 344 | error = xfs_qm_dqattach_one(ip, XFS_DQTYPE_PROJ, |
Darrick J. Wong | 4882c19 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 345 | doalloc, &ip->i_pdquot); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 346 | if (error) |
| 347 | goto done; |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 348 | ASSERT(ip->i_pdquot); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 349 | } |
| 350 | |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 351 | done: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | /* |
Dave Chinner | 3c3533757 | 2014-05-05 17:30:15 +1000 | [diff] [blame] | 353 | * Don't worry about the dquots that we may have attached before any |
| 354 | * error - they'll get detached later if it has not already been done. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 356 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 357 | return error; |
| 358 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 360 | int |
| 361 | xfs_qm_dqattach( |
Darrick J. Wong | c14cfcc | 2018-05-04 15:30:21 -0700 | [diff] [blame] | 362 | struct xfs_inode *ip) |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 363 | { |
| 364 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | |
Christoph Hellwig | b4d05e3 | 2012-03-27 10:34:46 -0400 | [diff] [blame] | 366 | if (!xfs_qm_need_dqattach(ip)) |
| 367 | return 0; |
| 368 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 369 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
Darrick J. Wong | 4882c19 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 370 | error = xfs_qm_dqattach_locked(ip, false); |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 371 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
| 372 | |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 373 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | /* |
| 377 | * Release dquots (and their references) if any. |
| 378 | * The inode should be locked EXCL except when this's called by |
| 379 | * xfs_ireclaim. |
| 380 | */ |
| 381 | void |
| 382 | xfs_qm_dqdetach( |
| 383 | xfs_inode_t *ip) |
| 384 | { |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 385 | if (!(ip->i_udquot || ip->i_gdquot || ip->i_pdquot)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | return; |
| 387 | |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 388 | trace_xfs_dquot_dqdetach(ip); |
| 389 | |
Chandra Seetharaman | 9cad19d | 2013-06-27 17:25:04 -0500 | [diff] [blame] | 390 | ASSERT(!xfs_is_quota_inode(&ip->i_mount->m_sb, ip->i_ino)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | if (ip->i_udquot) { |
| 392 | xfs_qm_dqrele(ip->i_udquot); |
| 393 | ip->i_udquot = NULL; |
| 394 | } |
| 395 | if (ip->i_gdquot) { |
| 396 | xfs_qm_dqrele(ip->i_gdquot); |
| 397 | ip->i_gdquot = NULL; |
| 398 | } |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 399 | if (ip->i_pdquot) { |
| 400 | xfs_qm_dqrele(ip->i_pdquot); |
| 401 | ip->i_pdquot = NULL; |
| 402 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | } |
| 404 | |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 405 | struct xfs_qm_isolate { |
| 406 | struct list_head buffers; |
| 407 | struct list_head dispose; |
| 408 | }; |
| 409 | |
| 410 | static enum lru_status |
| 411 | xfs_qm_dquot_isolate( |
| 412 | struct list_head *item, |
Vladimir Davydov | 3f97b16 | 2015-02-12 14:59:35 -0800 | [diff] [blame] | 413 | struct list_lru_one *lru, |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 414 | spinlock_t *lru_lock, |
| 415 | void *arg) |
Dave Chinner | bf1ed38 | 2014-09-29 10:43:40 +1000 | [diff] [blame] | 416 | __releases(lru_lock) __acquires(lru_lock) |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 417 | { |
| 418 | struct xfs_dquot *dqp = container_of(item, |
| 419 | struct xfs_dquot, q_lru); |
| 420 | struct xfs_qm_isolate *isol = arg; |
| 421 | |
| 422 | if (!xfs_dqlock_nowait(dqp)) |
| 423 | goto out_miss_busy; |
| 424 | |
| 425 | /* |
Dave Chinner | 52f31ed | 2022-12-08 08:29:22 -0800 | [diff] [blame] | 426 | * If something else is freeing this dquot and hasn't yet removed it |
| 427 | * from the LRU, leave it for the freeing task to complete the freeing |
| 428 | * process rather than risk it being free from under us here. |
| 429 | */ |
| 430 | if (dqp->q_flags & XFS_DQFLAG_FREEING) |
| 431 | goto out_miss_unlock; |
| 432 | |
| 433 | /* |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 434 | * This dquot has acquired a reference in the meantime remove it from |
| 435 | * the freelist and try again. |
| 436 | */ |
| 437 | if (dqp->q_nrefs) { |
| 438 | xfs_dqunlock(dqp); |
Bill O'Donnell | ff6d6af | 2015-10-12 18:21:22 +1100 | [diff] [blame] | 439 | XFS_STATS_INC(dqp->q_mount, xs_qm_dqwants); |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 440 | |
| 441 | trace_xfs_dqreclaim_want(dqp); |
Vladimir Davydov | 3f97b16 | 2015-02-12 14:59:35 -0800 | [diff] [blame] | 442 | list_lru_isolate(lru, &dqp->q_lru); |
Bill O'Donnell | ff6d6af | 2015-10-12 18:21:22 +1100 | [diff] [blame] | 443 | XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused); |
Dave Chinner | 3516341 | 2013-08-28 10:18:08 +1000 | [diff] [blame] | 444 | return LRU_REMOVED; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | /* |
| 448 | * If the dquot is dirty, flush it. If it's already being flushed, just |
| 449 | * skip it so there is time for the IO to complete before we try to |
| 450 | * reclaim it again on the next LRU pass. |
| 451 | */ |
Dave Chinner | 52f31ed | 2022-12-08 08:29:22 -0800 | [diff] [blame] | 452 | if (!xfs_dqflock_nowait(dqp)) |
| 453 | goto out_miss_unlock; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 454 | |
| 455 | if (XFS_DQ_IS_DIRTY(dqp)) { |
| 456 | struct xfs_buf *bp = NULL; |
| 457 | int error; |
| 458 | |
| 459 | trace_xfs_dqreclaim_dirty(dqp); |
| 460 | |
| 461 | /* we have to drop the LRU lock to flush the dquot */ |
| 462 | spin_unlock(lru_lock); |
| 463 | |
| 464 | error = xfs_qm_dqflush(dqp, &bp); |
Darrick J. Wong | 609001b | 2018-05-04 15:30:20 -0700 | [diff] [blame] | 465 | if (error) |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 466 | goto out_unlock_dirty; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 467 | |
| 468 | xfs_buf_delwri_queue(bp, &isol->buffers); |
| 469 | xfs_buf_relse(bp); |
| 470 | goto out_unlock_dirty; |
| 471 | } |
| 472 | xfs_dqfunlock(dqp); |
| 473 | |
| 474 | /* |
| 475 | * Prevent lookups now that we are past the point of no return. |
| 476 | */ |
Darrick J. Wong | 985a78f | 2020-07-14 10:37:13 -0700 | [diff] [blame] | 477 | dqp->q_flags |= XFS_DQFLAG_FREEING; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 478 | xfs_dqunlock(dqp); |
| 479 | |
| 480 | ASSERT(dqp->q_nrefs == 0); |
Vladimir Davydov | 3f97b16 | 2015-02-12 14:59:35 -0800 | [diff] [blame] | 481 | list_lru_isolate_move(lru, &dqp->q_lru, &isol->dispose); |
Bill O'Donnell | ff6d6af | 2015-10-12 18:21:22 +1100 | [diff] [blame] | 482 | XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused); |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 483 | trace_xfs_dqreclaim_done(dqp); |
Bill O'Donnell | ff6d6af | 2015-10-12 18:21:22 +1100 | [diff] [blame] | 484 | XFS_STATS_INC(dqp->q_mount, xs_qm_dqreclaims); |
Dave Chinner | 3516341 | 2013-08-28 10:18:08 +1000 | [diff] [blame] | 485 | return LRU_REMOVED; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 486 | |
Dave Chinner | 52f31ed | 2022-12-08 08:29:22 -0800 | [diff] [blame] | 487 | out_miss_unlock: |
| 488 | xfs_dqunlock(dqp); |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 489 | out_miss_busy: |
| 490 | trace_xfs_dqreclaim_busy(dqp); |
Bill O'Donnell | ff6d6af | 2015-10-12 18:21:22 +1100 | [diff] [blame] | 491 | XFS_STATS_INC(dqp->q_mount, xs_qm_dqreclaim_misses); |
Dave Chinner | 3516341 | 2013-08-28 10:18:08 +1000 | [diff] [blame] | 492 | return LRU_SKIP; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 493 | |
| 494 | out_unlock_dirty: |
| 495 | trace_xfs_dqreclaim_busy(dqp); |
Bill O'Donnell | ff6d6af | 2015-10-12 18:21:22 +1100 | [diff] [blame] | 496 | XFS_STATS_INC(dqp->q_mount, xs_qm_dqreclaim_misses); |
Dave Chinner | 3516341 | 2013-08-28 10:18:08 +1000 | [diff] [blame] | 497 | xfs_dqunlock(dqp); |
| 498 | spin_lock(lru_lock); |
| 499 | return LRU_RETRY; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 500 | } |
| 501 | |
Andrew Morton | 2f5b56f | 2013-08-28 10:18:08 +1000 | [diff] [blame] | 502 | static unsigned long |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 503 | xfs_qm_shrink_scan( |
| 504 | struct shrinker *shrink, |
| 505 | struct shrink_control *sc) |
| 506 | { |
Qi Zheng | fe88527 | 2023-09-11 17:44:35 +0800 | [diff] [blame] | 507 | struct xfs_quotainfo *qi = shrink->private_data; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 508 | struct xfs_qm_isolate isol; |
Andrew Morton | 2f5b56f | 2013-08-28 10:18:08 +1000 | [diff] [blame] | 509 | unsigned long freed; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 510 | int error; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 511 | |
Mel Gorman | d0164ad | 2015-11-06 16:28:21 -0800 | [diff] [blame] | 512 | if ((sc->gfp_mask & (__GFP_FS|__GFP_DIRECT_RECLAIM)) != (__GFP_FS|__GFP_DIRECT_RECLAIM)) |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 513 | return 0; |
| 514 | |
| 515 | INIT_LIST_HEAD(&isol.buffers); |
| 516 | INIT_LIST_HEAD(&isol.dispose); |
| 517 | |
Vladimir Davydov | 503c358 | 2015-02-12 14:58:47 -0800 | [diff] [blame] | 518 | freed = list_lru_shrink_walk(&qi->qi_lru, sc, |
| 519 | xfs_qm_dquot_isolate, &isol); |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 520 | |
| 521 | error = xfs_buf_delwri_submit(&isol.buffers); |
| 522 | if (error) |
| 523 | xfs_warn(NULL, "%s: dquot reclaim failed", __func__); |
| 524 | |
| 525 | while (!list_empty(&isol.dispose)) { |
| 526 | struct xfs_dquot *dqp; |
| 527 | |
| 528 | dqp = list_first_entry(&isol.dispose, struct xfs_dquot, q_lru); |
| 529 | list_del_init(&dqp->q_lru); |
| 530 | xfs_qm_dqfree_one(dqp); |
| 531 | } |
| 532 | |
| 533 | return freed; |
| 534 | } |
| 535 | |
Andrew Morton | 2f5b56f | 2013-08-28 10:18:08 +1000 | [diff] [blame] | 536 | static unsigned long |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 537 | xfs_qm_shrink_count( |
| 538 | struct shrinker *shrink, |
| 539 | struct shrink_control *sc) |
| 540 | { |
Qi Zheng | fe88527 | 2023-09-11 17:44:35 +0800 | [diff] [blame] | 541 | struct xfs_quotainfo *qi = shrink->private_data; |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 542 | |
Vladimir Davydov | 503c358 | 2015-02-12 14:58:47 -0800 | [diff] [blame] | 543 | return list_lru_shrink_count(&qi->qi_lru, sc); |
Dave Chinner | cd56a39 | 2013-08-28 10:18:07 +1000 | [diff] [blame] | 544 | } |
| 545 | |
Carlos Maiolino | be60794 | 2016-02-08 11:27:55 +1100 | [diff] [blame] | 546 | STATIC void |
| 547 | xfs_qm_set_defquota( |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 548 | struct xfs_mount *mp, |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 549 | xfs_dqtype_t type, |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 550 | struct xfs_quotainfo *qinf) |
Carlos Maiolino | be60794 | 2016-02-08 11:27:55 +1100 | [diff] [blame] | 551 | { |
Pavel Reichl | aefe69a | 2019-11-12 17:04:02 -0800 | [diff] [blame] | 552 | struct xfs_dquot *dqp; |
| 553 | struct xfs_def_quota *defq; |
Carlos Maiolino | be60794 | 2016-02-08 11:27:55 +1100 | [diff] [blame] | 554 | int error; |
| 555 | |
Darrick J. Wong | 114e73c | 2018-05-04 15:30:23 -0700 | [diff] [blame] | 556 | error = xfs_qm_dqget_uncached(mp, 0, type, &dqp); |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 557 | if (error) |
| 558 | return; |
Carlos Maiolino | be60794 | 2016-02-08 11:27:55 +1100 | [diff] [blame] | 559 | |
Eric Sandeen | ce6e7e79c | 2020-05-21 13:07:00 -0700 | [diff] [blame] | 560 | defq = xfs_get_defquota(qinf, xfs_dquot_type(dqp)); |
Carlos Maiolino | be60794 | 2016-02-08 11:27:55 +1100 | [diff] [blame] | 561 | |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 562 | /* |
| 563 | * Timers and warnings have been already set, let's just set the |
| 564 | * default limits for this quota type |
| 565 | */ |
Darrick J. Wong | 438769e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 566 | defq->blk.hard = dqp->q_blk.hardlimit; |
| 567 | defq->blk.soft = dqp->q_blk.softlimit; |
| 568 | defq->ino.hard = dqp->q_ino.hardlimit; |
| 569 | defq->ino.soft = dqp->q_ino.softlimit; |
| 570 | defq->rtb.hard = dqp->q_rtb.hardlimit; |
| 571 | defq->rtb.soft = dqp->q_rtb.softlimit; |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 572 | xfs_qm_dqdestroy(dqp); |
| 573 | } |
| 574 | |
| 575 | /* Initialize quota time limits from the root dquot. */ |
| 576 | static void |
| 577 | xfs_qm_init_timelimits( |
| 578 | struct xfs_mount *mp, |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 579 | xfs_dqtype_t type) |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 580 | { |
Eric Sandeen | e850301 | 2020-05-21 13:07:01 -0700 | [diff] [blame] | 581 | struct xfs_quotainfo *qinf = mp->m_quotainfo; |
| 582 | struct xfs_def_quota *defq; |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 583 | struct xfs_dquot *dqp; |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 584 | int error; |
| 585 | |
Eric Sandeen | e850301 | 2020-05-21 13:07:01 -0700 | [diff] [blame] | 586 | defq = xfs_get_defquota(qinf, type); |
| 587 | |
Darrick J. Wong | 438769e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 588 | defq->blk.time = XFS_QM_BTIMELIMIT; |
| 589 | defq->ino.time = XFS_QM_ITIMELIMIT; |
| 590 | defq->rtb.time = XFS_QM_RTBTIMELIMIT; |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 591 | |
| 592 | /* |
| 593 | * We try to get the limits from the superuser's limits fields. |
| 594 | * This is quite hacky, but it is standard quota practice. |
| 595 | * |
| 596 | * Since we may not have done a quotacheck by this point, just read |
| 597 | * the dquot without attaching it to any hashtables or lists. |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 598 | */ |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 599 | error = xfs_qm_dqget_uncached(mp, 0, type, &dqp); |
| 600 | if (error) |
| 601 | return; |
| 602 | |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 603 | /* |
| 604 | * The warnings and timers set the grace period given to |
| 605 | * a user or group before he or she can not perform any |
| 606 | * more writing. If it is zero, a default is used. |
| 607 | */ |
Darrick J. Wong | 19dce7e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 608 | if (dqp->q_blk.timer) |
Darrick J. Wong | 438769e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 609 | defq->blk.time = dqp->q_blk.timer; |
Darrick J. Wong | 19dce7e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 610 | if (dqp->q_ino.timer) |
Darrick J. Wong | 438769e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 611 | defq->ino.time = dqp->q_ino.timer; |
Darrick J. Wong | 19dce7e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 612 | if (dqp->q_rtb.timer) |
Darrick J. Wong | 438769e | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 613 | defq->rtb.time = dqp->q_rtb.timer; |
Darrick J. Wong | eac69e1 | 2018-05-14 06:34:32 -0700 | [diff] [blame] | 614 | |
| 615 | xfs_qm_dqdestroy(dqp); |
Carlos Maiolino | be60794 | 2016-02-08 11:27:55 +1100 | [diff] [blame] | 616 | } |
| 617 | |
Christoph Hellwig | a4edd1d | 2009-01-19 02:03:11 +0100 | [diff] [blame] | 618 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | * This initializes all the quota information that's kept in the |
| 620 | * mount structure |
| 621 | */ |
Christoph Hellwig | ba0f32d | 2005-06-21 15:36:52 +1000 | [diff] [blame] | 622 | STATIC int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | xfs_qm_init_quotainfo( |
Darrick J. Wong | 114e73c | 2018-05-04 15:30:23 -0700 | [diff] [blame] | 624 | struct xfs_mount *mp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | { |
Darrick J. Wong | 114e73c | 2018-05-04 15:30:23 -0700 | [diff] [blame] | 626 | struct xfs_quotainfo *qinf; |
Darrick J. Wong | 114e73c | 2018-05-04 15:30:23 -0700 | [diff] [blame] | 627 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 629 | ASSERT(XFS_IS_QUOTA_ON(mp)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 631 | qinf = mp->m_quotainfo = kmem_zalloc(sizeof(struct xfs_quotainfo), 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 633 | error = list_lru_init(&qinf->qi_lru); |
Dave Chinner | ee4eec4 | 2014-05-15 09:23:24 +1000 | [diff] [blame] | 634 | if (error) |
| 635 | goto out_free_qinf; |
Glauber Costa | 5ca302c | 2013-08-28 10:18:18 +1000 | [diff] [blame] | 636 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | /* |
| 638 | * See if quotainodes are setup, and if not, allocate them, |
| 639 | * and change the superblock accordingly. |
| 640 | */ |
Dave Chinner | ee4eec4 | 2014-05-15 09:23:24 +1000 | [diff] [blame] | 641 | error = xfs_qm_init_quotainos(mp); |
| 642 | if (error) |
| 643 | goto out_free_lru; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | |
Christoph Hellwig | 9f920f1 | 2012-03-13 08:52:35 +0000 | [diff] [blame] | 645 | INIT_RADIX_TREE(&qinf->qi_uquota_tree, GFP_NOFS); |
| 646 | INIT_RADIX_TREE(&qinf->qi_gquota_tree, GFP_NOFS); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 647 | INIT_RADIX_TREE(&qinf->qi_pquota_tree, GFP_NOFS); |
Christoph Hellwig | 9f920f1 | 2012-03-13 08:52:35 +0000 | [diff] [blame] | 648 | mutex_init(&qinf->qi_tree_lock); |
| 649 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | /* mutex used to serialize quotaoffs */ |
Jes Sorensen | 794ee1b | 2006-01-09 15:59:21 -0800 | [diff] [blame] | 651 | mutex_init(&qinf->qi_quotaofflock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | |
| 653 | /* Precalc some constants */ |
| 654 | qinf->qi_dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB); |
Eric Sandeen | 6ea94bb | 2014-04-14 19:03:34 +1000 | [diff] [blame] | 655 | qinf->qi_dqperchunk = xfs_calc_dquots_per_chunk(qinf->qi_dqchunklen); |
Dave Chinner | 38c26bf | 2021-08-18 18:46:37 -0700 | [diff] [blame] | 656 | if (xfs_has_bigtime(mp)) { |
Darrick J. Wong | 4ea1ff3 | 2020-08-17 09:59:51 -0700 | [diff] [blame] | 657 | qinf->qi_expiry_min = |
| 658 | xfs_dq_bigtime_to_unix(XFS_DQ_BIGTIME_EXPIRY_MIN); |
| 659 | qinf->qi_expiry_max = |
| 660 | xfs_dq_bigtime_to_unix(XFS_DQ_BIGTIME_EXPIRY_MAX); |
| 661 | } else { |
| 662 | qinf->qi_expiry_min = XFS_DQ_LEGACY_EXPIRY_MIN; |
| 663 | qinf->qi_expiry_max = XFS_DQ_LEGACY_EXPIRY_MAX; |
| 664 | } |
Darrick J. Wong | 06dbf82 | 2020-08-24 11:58:01 -0700 | [diff] [blame] | 665 | trace_xfs_quota_expiry_range(mp, qinf->qi_expiry_min, |
| 666 | qinf->qi_expiry_max); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | |
| 668 | mp->m_qflags |= (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_CHKD); |
| 669 | |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 670 | xfs_qm_init_timelimits(mp, XFS_DQTYPE_USER); |
| 671 | xfs_qm_init_timelimits(mp, XFS_DQTYPE_GROUP); |
| 672 | xfs_qm_init_timelimits(mp, XFS_DQTYPE_PROJ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 674 | if (XFS_IS_UQUOTA_ON(mp)) |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 675 | xfs_qm_set_defquota(mp, XFS_DQTYPE_USER, qinf); |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 676 | if (XFS_IS_GQUOTA_ON(mp)) |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 677 | xfs_qm_set_defquota(mp, XFS_DQTYPE_GROUP, qinf); |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 678 | if (XFS_IS_PQUOTA_ON(mp)) |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 679 | xfs_qm_set_defquota(mp, XFS_DQTYPE_PROJ, qinf); |
Carlos Maiolino | be60794 | 2016-02-08 11:27:55 +1100 | [diff] [blame] | 680 | |
Qi Zheng | fe88527 | 2023-09-11 17:44:35 +0800 | [diff] [blame] | 681 | qinf->qi_shrinker = shrinker_alloc(SHRINKER_NUMA_AWARE, "xfs-qm:%s", |
| 682 | mp->m_super->s_id); |
| 683 | if (!qinf->qi_shrinker) { |
| 684 | error = -ENOMEM; |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 685 | goto out_free_inos; |
Qi Zheng | fe88527 | 2023-09-11 17:44:35 +0800 | [diff] [blame] | 686 | } |
| 687 | |
| 688 | qinf->qi_shrinker->count_objects = xfs_qm_shrink_count; |
| 689 | qinf->qi_shrinker->scan_objects = xfs_qm_shrink_scan; |
| 690 | qinf->qi_shrinker->private_data = qinf; |
| 691 | |
| 692 | shrinker_register(qinf->qi_shrinker); |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 693 | |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 694 | return 0; |
Dave Chinner | ee4eec4 | 2014-05-15 09:23:24 +1000 | [diff] [blame] | 695 | |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 696 | out_free_inos: |
| 697 | mutex_destroy(&qinf->qi_quotaofflock); |
| 698 | mutex_destroy(&qinf->qi_tree_lock); |
| 699 | xfs_qm_destroy_quotainos(qinf); |
Dave Chinner | ee4eec4 | 2014-05-15 09:23:24 +1000 | [diff] [blame] | 700 | out_free_lru: |
| 701 | list_lru_destroy(&qinf->qi_lru); |
| 702 | out_free_qinf: |
| 703 | kmem_free(qinf); |
| 704 | mp->m_quotainfo = NULL; |
| 705 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | } |
| 707 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | /* |
| 709 | * Gets called when unmounting a filesystem or when all quotas get |
| 710 | * turned off. |
| 711 | * This purges the quota inodes, destroys locks and frees itself. |
| 712 | */ |
| 713 | void |
| 714 | xfs_qm_destroy_quotainfo( |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 715 | struct xfs_mount *mp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | { |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 717 | struct xfs_quotainfo *qi; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | |
| 719 | qi = mp->m_quotainfo; |
| 720 | ASSERT(qi != NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | |
Qi Zheng | fe88527 | 2023-09-11 17:44:35 +0800 | [diff] [blame] | 722 | shrinker_free(qi->qi_shrinker); |
Glauber Costa | f5e1dd3 | 2013-08-28 10:18:18 +1000 | [diff] [blame] | 723 | list_lru_destroy(&qi->qi_lru); |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 724 | xfs_qm_destroy_quotainos(qi); |
Aliaksei Karaliou | 2196881 | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 725 | mutex_destroy(&qi->qi_tree_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | mutex_destroy(&qi->qi_quotaofflock); |
Denys Vlasenko | f0e2d93 | 2008-05-19 16:31:57 +1000 | [diff] [blame] | 727 | kmem_free(qi); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 728 | mp->m_quotainfo = NULL; |
| 729 | } |
| 730 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | /* |
| 732 | * Create an inode and return with a reference already taken, but unlocked |
| 733 | * This is how we create quota inodes |
| 734 | */ |
| 735 | STATIC int |
| 736 | xfs_qm_qino_alloc( |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 737 | struct xfs_mount *mp, |
| 738 | struct xfs_inode **ipp, |
| 739 | unsigned int flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | { |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 741 | struct xfs_trans *tp; |
| 742 | int error; |
| 743 | bool need_alloc = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 745 | *ipp = NULL; |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 746 | /* |
| 747 | * With superblock that doesn't have separate pquotino, we |
| 748 | * share an inode between gquota and pquota. If the on-disk |
| 749 | * superblock has GQUOTA and the filesystem is now mounted |
| 750 | * with PQUOTA, just use sb_gquotino for sb_pquotino and |
| 751 | * vice-versa. |
| 752 | */ |
Dave Chinner | 38c26bf | 2021-08-18 18:46:37 -0700 | [diff] [blame] | 753 | if (!xfs_has_pquotino(mp) && |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 754 | (flags & (XFS_QMOPT_PQUOTA|XFS_QMOPT_GQUOTA))) { |
| 755 | xfs_ino_t ino = NULLFSINO; |
| 756 | |
| 757 | if ((flags & XFS_QMOPT_PQUOTA) && |
| 758 | (mp->m_sb.sb_gquotino != NULLFSINO)) { |
| 759 | ino = mp->m_sb.sb_gquotino; |
Darrick J. Wong | a71895c | 2019-11-11 12:53:22 -0800 | [diff] [blame] | 760 | if (XFS_IS_CORRUPT(mp, |
| 761 | mp->m_sb.sb_pquotino != NULLFSINO)) |
Darrick J. Wong | a5155b8 | 2019-11-02 09:40:53 -0700 | [diff] [blame] | 762 | return -EFSCORRUPTED; |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 763 | } else if ((flags & XFS_QMOPT_GQUOTA) && |
| 764 | (mp->m_sb.sb_pquotino != NULLFSINO)) { |
| 765 | ino = mp->m_sb.sb_pquotino; |
Darrick J. Wong | a71895c | 2019-11-11 12:53:22 -0800 | [diff] [blame] | 766 | if (XFS_IS_CORRUPT(mp, |
| 767 | mp->m_sb.sb_gquotino != NULLFSINO)) |
Darrick J. Wong | a5155b8 | 2019-11-02 09:40:53 -0700 | [diff] [blame] | 768 | return -EFSCORRUPTED; |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 769 | } |
| 770 | if (ino != NULLFSINO) { |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 771 | error = xfs_iget(mp, NULL, ino, 0, 0, ipp); |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 772 | if (error) |
| 773 | return error; |
| 774 | mp->m_sb.sb_gquotino = NULLFSINO; |
| 775 | mp->m_sb.sb_pquotino = NULLFSINO; |
Dave Chinner | 58c9047 | 2015-02-23 22:38:08 +1100 | [diff] [blame] | 776 | need_alloc = false; |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 777 | } |
| 778 | } |
| 779 | |
Christoph Hellwig | 253f491 | 2016-04-06 09:19:55 +1000 | [diff] [blame] | 780 | error = xfs_trans_alloc(mp, &M_RES(mp)->tr_create, |
Kaixu Xia | fb353ff | 2020-04-22 21:54:28 -0700 | [diff] [blame] | 781 | need_alloc ? XFS_QM_QINOCREATE_SPACE_RES(mp) : 0, |
| 782 | 0, 0, &tp); |
Christoph Hellwig | 253f491 | 2016-04-06 09:19:55 +1000 | [diff] [blame] | 783 | if (error) |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 784 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | |
Dave Chinner | 58c9047 | 2015-02-23 22:38:08 +1100 | [diff] [blame] | 786 | if (need_alloc) { |
Dave Chinner | b652afd | 2021-06-02 10:48:24 +1000 | [diff] [blame] | 787 | xfs_ino_t ino; |
| 788 | |
| 789 | error = xfs_dialloc(&tp, 0, S_IFREG, &ino); |
| 790 | if (!error) |
Christian Brauner | f2d4014 | 2023-01-13 12:49:25 +0100 | [diff] [blame] | 791 | error = xfs_init_new_inode(&nop_mnt_idmap, tp, NULL, ino, |
Dave Chinner | b652afd | 2021-06-02 10:48:24 +1000 | [diff] [blame] | 792 | S_IFREG, 1, 0, 0, false, ipp); |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 793 | if (error) { |
Christoph Hellwig | 4906e21 | 2015-06-04 13:47:56 +1000 | [diff] [blame] | 794 | xfs_trans_cancel(tp); |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 795 | return error; |
| 796 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | } |
| 798 | |
| 799 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | * Make the changes in the superblock, and log those too. |
| 801 | * sbfields arg may contain fields other than *QUOTINO; |
| 802 | * VERSIONNUM for example. |
| 803 | */ |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 804 | spin_lock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 805 | if (flags & XFS_QMOPT_SBVERSION) { |
Dave Chinner | 38c26bf | 2021-08-18 18:46:37 -0700 | [diff] [blame] | 806 | ASSERT(!xfs_has_quota(mp)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | |
Dave Chinner | 38c26bf | 2021-08-18 18:46:37 -0700 | [diff] [blame] | 808 | xfs_add_quota(mp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | mp->m_sb.sb_uquotino = NULLFSINO; |
| 810 | mp->m_sb.sb_gquotino = NULLFSINO; |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 811 | mp->m_sb.sb_pquotino = NULLFSINO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 813 | /* qflags will get updated fully _after_ quotacheck */ |
| 814 | mp->m_sb.sb_qflags = mp->m_qflags & XFS_ALL_QUOTA_ACCT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | } |
| 816 | if (flags & XFS_QMOPT_UQUOTA) |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 817 | mp->m_sb.sb_uquotino = (*ipp)->i_ino; |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 818 | else if (flags & XFS_QMOPT_GQUOTA) |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 819 | mp->m_sb.sb_gquotino = (*ipp)->i_ino; |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 820 | else |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 821 | mp->m_sb.sb_pquotino = (*ipp)->i_ino; |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 822 | spin_unlock(&mp->m_sb_lock); |
Dave Chinner | 61e63ec | 2015-01-22 09:10:31 +1100 | [diff] [blame] | 823 | xfs_log_sb(tp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | |
Christoph Hellwig | 7039331 | 2015-06-04 13:48:08 +1000 | [diff] [blame] | 825 | error = xfs_trans_commit(tp); |
Dave Chinner | 58c9047 | 2015-02-23 22:38:08 +1100 | [diff] [blame] | 826 | if (error) { |
Dave Chinner | 75c8c50f | 2021-08-18 18:46:53 -0700 | [diff] [blame] | 827 | ASSERT(xfs_is_shutdown(mp)); |
Dave Chinner | 5348778 | 2011-03-07 10:05:35 +1100 | [diff] [blame] | 828 | xfs_alert(mp, "%s failed (error %d)!", __func__, error); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | } |
Dave Chinner | 58c9047 | 2015-02-23 22:38:08 +1100 | [diff] [blame] | 830 | if (need_alloc) |
Dave Chinner | 1abcf26 | 2020-12-09 10:05:15 -0800 | [diff] [blame] | 831 | xfs_finish_inode_setup(*ipp); |
Dave Chinner | 58c9047 | 2015-02-23 22:38:08 +1100 | [diff] [blame] | 832 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | } |
| 834 | |
| 835 | |
David Chinner | 5b13973 | 2008-04-10 12:20:10 +1000 | [diff] [blame] | 836 | STATIC void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | xfs_qm_reset_dqcounts( |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 838 | struct xfs_mount *mp, |
| 839 | struct xfs_buf *bp, |
| 840 | xfs_dqid_t id, |
| 841 | xfs_dqtype_t type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 842 | { |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 843 | struct xfs_dqblk *dqb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | int j; |
| 845 | |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 846 | trace_xfs_reset_dqcounts(bp, _RET_IP_); |
| 847 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | /* |
| 849 | * Reset all counters and timers. They'll be |
| 850 | * started afresh by xfs_qm_quotacheck. |
| 851 | */ |
| 852 | #ifdef DEBUG |
Eric Sandeen | 9011540 | 2017-04-19 12:55:57 -0700 | [diff] [blame] | 853 | j = (int)XFS_FSB_TO_B(mp, XFS_DQUOT_CLUSTER_SIZE_FSB) / |
Christoph Hellwig | 11a83f4 | 2021-10-11 16:12:37 -0700 | [diff] [blame] | 854 | sizeof(struct xfs_dqblk); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 855 | ASSERT(mp->m_quotainfo->qi_dqperchunk == j); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 856 | #endif |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 857 | dqb = bp->b_addr; |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 858 | for (j = 0; j < mp->m_quotainfo->qi_dqperchunk; j++) { |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 859 | struct xfs_disk_dquot *ddq; |
| 860 | |
| 861 | ddq = (struct xfs_disk_dquot *)&dqb[j]; |
| 862 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | /* |
| 864 | * Do a sanity check, and if needed, repair the dqblk. Don't |
| 865 | * output any warnings because it's perfectly possible to |
Darrick J. Wong | eebf3ca | 2018-01-08 10:51:25 -0800 | [diff] [blame] | 866 | * find uninitialised dquot blks. See comment in |
| 867 | * xfs_dquot_verify. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | */ |
Darrick J. Wong | f9751c4 | 2020-07-15 17:41:24 -0700 | [diff] [blame] | 869 | if (xfs_dqblk_verify(mp, &dqb[j], id + j) || |
Darrick J. Wong | d8c1af0d | 2020-07-15 18:05:39 -0700 | [diff] [blame] | 870 | (dqb[j].dd_diskdq.d_type & XFS_DQTYPE_REC_MASK) != type) |
Eric Sandeen | 48fa1db | 2018-05-07 09:20:17 -0700 | [diff] [blame] | 871 | xfs_dqblk_repair(mp, &dqb[j], id + j, type); |
Darrick J. Wong | eeea798 | 2018-01-08 10:51:24 -0800 | [diff] [blame] | 872 | |
Jan Kara | dfcc70a | 2015-02-23 22:34:17 +1100 | [diff] [blame] | 873 | /* |
| 874 | * Reset type in case we are reusing group quota file for |
| 875 | * project quotas or vice versa |
| 876 | */ |
Darrick J. Wong | d8c1af0d | 2020-07-15 18:05:39 -0700 | [diff] [blame] | 877 | ddq->d_type = type; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 878 | ddq->d_bcount = 0; |
| 879 | ddq->d_icount = 0; |
| 880 | ddq->d_rtbcount = 0; |
Darrick J. Wong | 5885539 | 2020-03-24 20:12:53 -0700 | [diff] [blame] | 881 | |
| 882 | /* |
| 883 | * dquot id 0 stores the default grace period and the maximum |
| 884 | * warning limit that were set by the administrator, so we |
| 885 | * should not reset them. |
| 886 | */ |
| 887 | if (ddq->d_id != 0) { |
| 888 | ddq->d_btimer = 0; |
| 889 | ddq->d_itimer = 0; |
| 890 | ddq->d_rtbtimer = 0; |
| 891 | ddq->d_bwarns = 0; |
| 892 | ddq->d_iwarns = 0; |
| 893 | ddq->d_rtbwarns = 0; |
Dave Chinner | 38c26bf | 2021-08-18 18:46:37 -0700 | [diff] [blame] | 894 | if (xfs_has_bigtime(mp)) |
Darrick J. Wong | 4ea1ff3 | 2020-08-17 09:59:51 -0700 | [diff] [blame] | 895 | ddq->d_type |= XFS_DQTYPE_BIGTIME; |
Darrick J. Wong | 5885539 | 2020-03-24 20:12:53 -0700 | [diff] [blame] | 896 | } |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 897 | |
Dave Chinner | 38c26bf | 2021-08-18 18:46:37 -0700 | [diff] [blame] | 898 | if (xfs_has_crc(mp)) { |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 899 | xfs_update_cksum((char *)&dqb[j], |
| 900 | sizeof(struct xfs_dqblk), |
| 901 | XFS_DQUOT_CRC_OFF); |
| 902 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 904 | } |
| 905 | |
| 906 | STATIC int |
Darrick J. Wong | 28b9060 | 2018-05-04 15:31:20 -0700 | [diff] [blame] | 907 | xfs_qm_reset_dqcounts_all( |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 908 | struct xfs_mount *mp, |
| 909 | xfs_dqid_t firstid, |
| 910 | xfs_fsblock_t bno, |
| 911 | xfs_filblks_t blkcnt, |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 912 | xfs_dqtype_t type, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 913 | struct list_head *buffer_list) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 914 | { |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 915 | struct xfs_buf *bp; |
Darrick J. Wong | 0dcc072 | 2020-07-14 10:37:12 -0700 | [diff] [blame] | 916 | int error = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | |
| 918 | ASSERT(blkcnt > 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 919 | |
| 920 | /* |
| 921 | * Blkcnt arg can be a very big number, and might even be |
| 922 | * larger than the log itself. So, we have to break it up into |
| 923 | * manageable-sized transactions. |
| 924 | * Note that we don't start a permanent transaction here; we might |
| 925 | * not be able to get a log reservation for the whole thing up front, |
| 926 | * and we don't really care to either, because we just discard |
| 927 | * everything if we were to crash in the middle of this loop. |
| 928 | */ |
| 929 | while (blkcnt--) { |
| 930 | error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, |
| 931 | XFS_FSB_TO_DADDR(mp, bno), |
Dave Chinner | c631919 | 2012-11-14 17:50:13 +1100 | [diff] [blame] | 932 | mp->m_quotainfo->qi_dqchunklen, 0, &bp, |
Dave Chinner | 1813dd6 | 2012-11-14 17:54:40 +1100 | [diff] [blame] | 933 | &xfs_dquot_buf_ops); |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 934 | |
| 935 | /* |
| 936 | * CRC and validation errors will return a EFSCORRUPTED here. If |
| 937 | * this occurs, re-read without CRC validation so that we can |
| 938 | * repair the damage via xfs_qm_reset_dqcounts(). This process |
| 939 | * will leave a trace in the log indicating corruption has |
| 940 | * been detected. |
| 941 | */ |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 942 | if (error == -EFSCORRUPTED) { |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 943 | error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, |
| 944 | XFS_FSB_TO_DADDR(mp, bno), |
| 945 | mp->m_quotainfo->qi_dqchunklen, 0, &bp, |
| 946 | NULL); |
| 947 | } |
| 948 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | if (error) |
| 950 | break; |
| 951 | |
Dave Chinner | 5fd364f | 2014-08-04 12:43:26 +1000 | [diff] [blame] | 952 | /* |
| 953 | * A corrupt buffer might not have a verifier attached, so |
| 954 | * make sure we have the correct one attached before writeback |
| 955 | * occurs. |
| 956 | */ |
| 957 | bp->b_ops = &xfs_dquot_buf_ops; |
David Chinner | 5b13973 | 2008-04-10 12:20:10 +1000 | [diff] [blame] | 958 | xfs_qm_reset_dqcounts(mp, bp, firstid, type); |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 959 | xfs_buf_delwri_queue(bp, buffer_list); |
Christoph Hellwig | 61551f1 | 2011-08-23 08:28:06 +0000 | [diff] [blame] | 960 | xfs_buf_relse(bp); |
Dave Chinner | 6fcdc59 | 2013-06-03 15:28:46 +1000 | [diff] [blame] | 961 | |
| 962 | /* goto the next block. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | bno++; |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 964 | firstid += mp->m_quotainfo->qi_dqperchunk; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | } |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 966 | |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 967 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | } |
| 969 | |
| 970 | /* |
Darrick J. Wong | 28b9060 | 2018-05-04 15:31:20 -0700 | [diff] [blame] | 971 | * Iterate over all allocated dquot blocks in this quota inode, zeroing all |
| 972 | * counters for every chunk of dquots that we find. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 973 | */ |
| 974 | STATIC int |
Darrick J. Wong | 28b9060 | 2018-05-04 15:31:20 -0700 | [diff] [blame] | 975 | xfs_qm_reset_dqcounts_buf( |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 976 | struct xfs_mount *mp, |
| 977 | struct xfs_inode *qip, |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 978 | xfs_dqtype_t type, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 979 | struct list_head *buffer_list) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | { |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 981 | struct xfs_bmbt_irec *map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 982 | int i, nmaps; /* number of map entries */ |
| 983 | int error; /* return value */ |
| 984 | xfs_fileoff_t lblkno; |
| 985 | xfs_filblks_t maxlblkcnt; |
| 986 | xfs_dqid_t firstid; |
| 987 | xfs_fsblock_t rablkno; |
| 988 | xfs_filblks_t rablkcnt; |
| 989 | |
| 990 | error = 0; |
| 991 | /* |
Nathan Scott | c41564b | 2006-03-29 08:55:14 +1000 | [diff] [blame] | 992 | * This looks racy, but we can't keep an inode lock across a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | * trans_reserve. But, this gets called during quotacheck, and that |
| 994 | * happens only at mount time which is single threaded. |
| 995 | */ |
Christoph Hellwig | 6e73a54 | 2021-03-29 11:11:40 -0700 | [diff] [blame] | 996 | if (qip->i_nblocks == 0) |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 997 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 998 | |
Tetsuo Handa | 707e0dd | 2019-08-26 12:06:22 -0700 | [diff] [blame] | 999 | map = kmem_alloc(XFS_DQITER_MAP_SIZE * sizeof(*map), 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | |
| 1001 | lblkno = 0; |
Dave Chinner | 3297238 | 2012-06-08 15:44:54 +1000 | [diff] [blame] | 1002 | maxlblkcnt = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1003 | do { |
Christoph Hellwig | da51d32 | 2013-12-06 12:30:14 -0800 | [diff] [blame] | 1004 | uint lock_mode; |
| 1005 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | nmaps = XFS_DQITER_MAP_SIZE; |
| 1007 | /* |
| 1008 | * We aren't changing the inode itself. Just changing |
| 1009 | * some of its data. No new blocks are added here, and |
| 1010 | * the inode is never added to the transaction. |
| 1011 | */ |
Christoph Hellwig | da51d32 | 2013-12-06 12:30:14 -0800 | [diff] [blame] | 1012 | lock_mode = xfs_ilock_data_map_shared(qip); |
Dave Chinner | 5c8ed20 | 2011-09-18 20:40:45 +0000 | [diff] [blame] | 1013 | error = xfs_bmapi_read(qip, lblkno, maxlblkcnt - lblkno, |
| 1014 | map, &nmaps, 0); |
Christoph Hellwig | da51d32 | 2013-12-06 12:30:14 -0800 | [diff] [blame] | 1015 | xfs_iunlock(qip, lock_mode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | if (error) |
| 1017 | break; |
| 1018 | |
| 1019 | ASSERT(nmaps <= XFS_DQITER_MAP_SIZE); |
| 1020 | for (i = 0; i < nmaps; i++) { |
| 1021 | ASSERT(map[i].br_startblock != DELAYSTARTBLOCK); |
| 1022 | ASSERT(map[i].br_blockcount); |
| 1023 | |
| 1024 | |
| 1025 | lblkno += map[i].br_blockcount; |
| 1026 | |
| 1027 | if (map[i].br_startblock == HOLESTARTBLOCK) |
| 1028 | continue; |
| 1029 | |
| 1030 | firstid = (xfs_dqid_t) map[i].br_startoff * |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 1031 | mp->m_quotainfo->qi_dqperchunk; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1032 | /* |
| 1033 | * Do a read-ahead on the next extent. |
| 1034 | */ |
| 1035 | if ((i+1 < nmaps) && |
| 1036 | (map[i+1].br_startblock != HOLESTARTBLOCK)) { |
| 1037 | rablkcnt = map[i+1].br_blockcount; |
| 1038 | rablkno = map[i+1].br_startblock; |
| 1039 | while (rablkcnt--) { |
Christoph Hellwig | 1a1a3e9 | 2010-10-06 18:41:18 +0000 | [diff] [blame] | 1040 | xfs_buf_readahead(mp->m_ddev_targp, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1041 | XFS_FSB_TO_DADDR(mp, rablkno), |
Dave Chinner | c3f8fc7 | 2012-11-12 22:54:01 +1100 | [diff] [blame] | 1042 | mp->m_quotainfo->qi_dqchunklen, |
Dave Chinner | 5fd364f | 2014-08-04 12:43:26 +1000 | [diff] [blame] | 1043 | &xfs_dquot_buf_ops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1044 | rablkno++; |
| 1045 | } |
| 1046 | } |
| 1047 | /* |
| 1048 | * Iterate thru all the blks in the extent and |
| 1049 | * reset the counters of all the dquots inside them. |
| 1050 | */ |
Darrick J. Wong | 28b9060 | 2018-05-04 15:31:20 -0700 | [diff] [blame] | 1051 | error = xfs_qm_reset_dqcounts_all(mp, firstid, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1052 | map[i].br_startblock, |
| 1053 | map[i].br_blockcount, |
Darrick J. Wong | 0dcc072 | 2020-07-14 10:37:12 -0700 | [diff] [blame] | 1054 | type, buffer_list); |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1055 | if (error) |
| 1056 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1057 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | } while (nmaps > 0); |
| 1059 | |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1060 | out: |
Denys Vlasenko | f0e2d93 | 2008-05-19 16:31:57 +1000 | [diff] [blame] | 1061 | kmem_free(map); |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1062 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | } |
| 1064 | |
| 1065 | /* |
| 1066 | * Called by dqusage_adjust in doing a quotacheck. |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1067 | * |
| 1068 | * Given the inode, and a dquot id this updates both the incore dqout as well |
| 1069 | * as the buffer copy. This is so that once the quotacheck is done, we can |
| 1070 | * just log all the buffers, as opposed to logging numerous updates to |
| 1071 | * individual dquots. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1072 | */ |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1073 | STATIC int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1074 | xfs_qm_quotacheck_dqadjust( |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1075 | struct xfs_inode *ip, |
Darrick J. Wong | 1a7ed27 | 2020-07-15 17:53:43 -0700 | [diff] [blame] | 1076 | xfs_dqtype_t type, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1077 | xfs_qcnt_t nblks, |
| 1078 | xfs_qcnt_t rtblks) |
| 1079 | { |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1080 | struct xfs_mount *mp = ip->i_mount; |
| 1081 | struct xfs_dquot *dqp; |
Darrick J. Wong | 0fcef12 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 1082 | xfs_dqid_t id; |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1083 | int error; |
| 1084 | |
Darrick J. Wong | 0fcef12 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 1085 | id = xfs_qm_id_for_quotatype(ip, type); |
Darrick J. Wong | 30ab2dc | 2018-05-04 15:30:24 -0700 | [diff] [blame] | 1086 | error = xfs_qm_dqget(mp, id, type, true, &dqp); |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1087 | if (error) { |
| 1088 | /* |
| 1089 | * Shouldn't be able to turn off quotas here. |
| 1090 | */ |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 1091 | ASSERT(error != -ESRCH); |
| 1092 | ASSERT(error != -ENOENT); |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1093 | return error; |
| 1094 | } |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 1095 | |
| 1096 | trace_xfs_dqadjust(dqp); |
| 1097 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1098 | /* |
| 1099 | * Adjust the inode count and the block count to reflect this inode's |
| 1100 | * resource usage. |
| 1101 | */ |
Darrick J. Wong | be37d40 | 2020-07-14 10:37:31 -0700 | [diff] [blame] | 1102 | dqp->q_ino.count++; |
Darrick J. Wong | 784e80f | 2020-07-14 10:37:30 -0700 | [diff] [blame] | 1103 | dqp->q_ino.reserved++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1104 | if (nblks) { |
Darrick J. Wong | be37d40 | 2020-07-14 10:37:31 -0700 | [diff] [blame] | 1105 | dqp->q_blk.count += nblks; |
Darrick J. Wong | 784e80f | 2020-07-14 10:37:30 -0700 | [diff] [blame] | 1106 | dqp->q_blk.reserved += nblks; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | } |
| 1108 | if (rtblks) { |
Darrick J. Wong | be37d40 | 2020-07-14 10:37:31 -0700 | [diff] [blame] | 1109 | dqp->q_rtb.count += rtblks; |
Darrick J. Wong | 784e80f | 2020-07-14 10:37:30 -0700 | [diff] [blame] | 1110 | dqp->q_rtb.reserved += rtblks; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1111 | } |
| 1112 | |
| 1113 | /* |
| 1114 | * Set default limits, adjust timers (since we changed usages) |
Christoph Hellwig | 191f848 | 2010-04-20 17:01:53 +1000 | [diff] [blame] | 1115 | * |
| 1116 | * There are no timers for the default values set in the root dquot. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | */ |
Darrick J. Wong | c51df73 | 2020-07-14 10:37:30 -0700 | [diff] [blame] | 1118 | if (dqp->q_id) { |
Darrick J. Wong | c8c753e | 2020-07-14 10:37:33 -0700 | [diff] [blame] | 1119 | xfs_qm_adjust_dqlimits(dqp); |
| 1120 | xfs_qm_adjust_dqtimers(dqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1121 | } |
| 1122 | |
Darrick J. Wong | 985a78f | 2020-07-14 10:37:13 -0700 | [diff] [blame] | 1123 | dqp->q_flags |= XFS_DQFLAG_DIRTY; |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1124 | xfs_qm_dqput(dqp); |
| 1125 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1126 | } |
| 1127 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1128 | /* |
| 1129 | * callback routine supplied to bulkstat(). Given an inumber, find its |
| 1130 | * dquots and update them to account for resources taken by that inode. |
| 1131 | */ |
| 1132 | /* ARGSUSED */ |
| 1133 | STATIC int |
| 1134 | xfs_qm_dqusage_adjust( |
Darrick J. Wong | ebd126a | 2019-07-02 09:39:39 -0700 | [diff] [blame] | 1135 | struct xfs_mount *mp, |
| 1136 | struct xfs_trans *tp, |
| 1137 | xfs_ino_t ino, |
| 1138 | void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | { |
Darrick J. Wong | ebd126a | 2019-07-02 09:39:39 -0700 | [diff] [blame] | 1140 | struct xfs_inode *ip; |
| 1141 | xfs_qcnt_t nblks; |
| 1142 | xfs_filblks_t rtblks = 0; /* total rt blks */ |
| 1143 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1144 | |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1145 | ASSERT(XFS_IS_QUOTA_ON(mp)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1146 | |
| 1147 | /* |
| 1148 | * rootino must have its resources accounted for, not so with the quota |
| 1149 | * inodes. |
| 1150 | */ |
Darrick J. Wong | ebd126a | 2019-07-02 09:39:39 -0700 | [diff] [blame] | 1151 | if (xfs_is_quota_inode(&mp->m_sb, ino)) |
| 1152 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1153 | |
| 1154 | /* |
Darrick J. Wong | 0fcef12 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 1155 | * We don't _need_ to take the ilock EXCL here because quotacheck runs |
| 1156 | * at mount time and therefore nobody will be racing chown/chproj. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1157 | */ |
Darrick J. Wong | ebd126a | 2019-07-02 09:39:39 -0700 | [diff] [blame] | 1158 | error = xfs_iget(mp, tp, ino, XFS_IGET_DONTCACHE, 0, &ip); |
| 1159 | if (error == -EINVAL || error == -ENOENT) |
| 1160 | return 0; |
| 1161 | if (error) |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1162 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1163 | |
Darrick J. Wong | 537c013 | 2023-09-24 08:35:53 -0700 | [diff] [blame] | 1164 | /* |
| 1165 | * Reload the incore unlinked list to avoid failure in inodegc. |
| 1166 | * Use an unlocked check here because unrecovered unlinked inodes |
| 1167 | * should be somewhat rare. |
| 1168 | */ |
| 1169 | if (xfs_inode_unlinked_incomplete(ip)) { |
| 1170 | error = xfs_inode_reload_unlinked(ip); |
| 1171 | if (error) { |
| 1172 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); |
| 1173 | goto error0; |
| 1174 | } |
| 1175 | } |
Darrick J. Wong | 49813a2 | 2023-09-11 08:39:08 -0700 | [diff] [blame] | 1176 | |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1177 | ASSERT(ip->i_delayed_blks == 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1178 | |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1179 | if (XFS_IS_REALTIME_INODE(ip)) { |
Darrick J. Wong | 732436e | 2022-07-09 10:56:05 -0700 | [diff] [blame] | 1180 | struct xfs_ifork *ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK); |
Christoph Hellwig | 8bfadd8 | 2017-08-29 15:44:14 -0700 | [diff] [blame] | 1181 | |
Christoph Hellwig | 862a804 | 2021-04-13 11:15:09 -0700 | [diff] [blame] | 1182 | error = xfs_iread_extents(tp, ip, XFS_DATA_FORK); |
| 1183 | if (error) |
| 1184 | goto error0; |
Christoph Hellwig | 8bfadd8 | 2017-08-29 15:44:14 -0700 | [diff] [blame] | 1185 | |
| 1186 | xfs_bmap_count_leaves(ifp, &rtblks); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1187 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1188 | |
Christoph Hellwig | 6e73a54 | 2021-03-29 11:11:40 -0700 | [diff] [blame] | 1189 | nblks = (xfs_qcnt_t)ip->i_nblocks - rtblks; |
Darrick J. Wong | 49813a2 | 2023-09-11 08:39:08 -0700 | [diff] [blame] | 1190 | xfs_iflags_clear(ip, XFS_IQUOTAUNCHECKED); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1191 | |
| 1192 | /* |
| 1193 | * Add the (disk blocks and inode) resources occupied by this |
| 1194 | * inode to its dquots. We do this adjustment in the incore dquot, |
| 1195 | * and also copy the changes to its buffer. |
| 1196 | * We don't care about putting these changes in a transaction |
| 1197 | * envelope because if we crash in the middle of a 'quotacheck' |
| 1198 | * we have to start from the beginning anyway. |
| 1199 | * Once we're done, we'll log all the dquot bufs. |
| 1200 | * |
Nathan Scott | c41564b | 2006-03-29 08:55:14 +1000 | [diff] [blame] | 1201 | * The *QUOTA_ON checks below may look pretty racy, but quotachecks |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1202 | * and quotaoffs don't race. (Quotachecks happen at mount time only). |
| 1203 | */ |
| 1204 | if (XFS_IS_UQUOTA_ON(mp)) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1205 | error = xfs_qm_quotacheck_dqadjust(ip, XFS_DQTYPE_USER, nblks, |
Darrick J. Wong | 0fcef12 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 1206 | rtblks); |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1207 | if (error) |
| 1208 | goto error0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1209 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1210 | |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1211 | if (XFS_IS_GQUOTA_ON(mp)) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1212 | error = xfs_qm_quotacheck_dqadjust(ip, XFS_DQTYPE_GROUP, nblks, |
Darrick J. Wong | 0fcef12 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 1213 | rtblks); |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1214 | if (error) |
| 1215 | goto error0; |
| 1216 | } |
| 1217 | |
| 1218 | if (XFS_IS_PQUOTA_ON(mp)) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1219 | error = xfs_qm_quotacheck_dqadjust(ip, XFS_DQTYPE_PROJ, nblks, |
Darrick J. Wong | 0fcef12 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 1220 | rtblks); |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1221 | if (error) |
| 1222 | goto error0; |
| 1223 | } |
| 1224 | |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1225 | error0: |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 1226 | xfs_irele(ip); |
Christoph Hellwig | 52fda11 | 2010-09-06 01:44:22 +0000 | [diff] [blame] | 1227 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1228 | } |
| 1229 | |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1230 | STATIC int |
| 1231 | xfs_qm_flush_one( |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1232 | struct xfs_dquot *dqp, |
| 1233 | void *data) |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1234 | { |
Brian Foster | 7912e7f | 2017-06-14 21:21:45 -0700 | [diff] [blame] | 1235 | struct xfs_mount *mp = dqp->q_mount; |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1236 | struct list_head *buffer_list = data; |
Christoph Hellwig | fe7257f | 2012-04-23 15:58:37 +1000 | [diff] [blame] | 1237 | struct xfs_buf *bp = NULL; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1238 | int error = 0; |
| 1239 | |
| 1240 | xfs_dqlock(dqp); |
Darrick J. Wong | 985a78f | 2020-07-14 10:37:13 -0700 | [diff] [blame] | 1241 | if (dqp->q_flags & XFS_DQFLAG_FREEING) |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1242 | goto out_unlock; |
| 1243 | if (!XFS_DQ_IS_DIRTY(dqp)) |
| 1244 | goto out_unlock; |
| 1245 | |
Brian Foster | 7912e7f | 2017-06-14 21:21:45 -0700 | [diff] [blame] | 1246 | /* |
| 1247 | * The only way the dquot is already flush locked by the time quotacheck |
| 1248 | * gets here is if reclaim flushed it before the dqadjust walk dirtied |
| 1249 | * it for the final time. Quotacheck collects all dquot bufs in the |
| 1250 | * local delwri queue before dquots are dirtied, so reclaim can't have |
| 1251 | * possibly queued it for I/O. The only way out is to push the buffer to |
| 1252 | * cycle the flush lock. |
| 1253 | */ |
| 1254 | if (!xfs_dqflock_nowait(dqp)) { |
| 1255 | /* buf is pinned in-core by delwri list */ |
Dave Chinner | 85c73bf7 | 2022-07-07 22:05:18 +1000 | [diff] [blame] | 1256 | error = xfs_buf_incore(mp->m_ddev_targp, dqp->q_blkno, |
| 1257 | mp->m_quotainfo->qi_dqchunklen, 0, &bp); |
| 1258 | if (error) |
Brian Foster | 7912e7f | 2017-06-14 21:21:45 -0700 | [diff] [blame] | 1259 | goto out_unlock; |
Dave Chinner | 85c73bf7 | 2022-07-07 22:05:18 +1000 | [diff] [blame] | 1260 | |
Darrick J. Wong | f0c2d7d | 2022-08-03 17:33:00 -0700 | [diff] [blame] | 1261 | if (!(bp->b_flags & _XBF_DELWRI_Q)) { |
| 1262 | error = -EAGAIN; |
| 1263 | xfs_buf_relse(bp); |
| 1264 | goto out_unlock; |
| 1265 | } |
Brian Foster | 7912e7f | 2017-06-14 21:21:45 -0700 | [diff] [blame] | 1266 | xfs_buf_unlock(bp); |
| 1267 | |
| 1268 | xfs_buf_delwri_pushbuf(bp, buffer_list); |
| 1269 | xfs_buf_rele(bp); |
| 1270 | |
| 1271 | error = -EAGAIN; |
| 1272 | goto out_unlock; |
| 1273 | } |
| 1274 | |
Christoph Hellwig | fe7257f | 2012-04-23 15:58:37 +1000 | [diff] [blame] | 1275 | error = xfs_qm_dqflush(dqp, &bp); |
| 1276 | if (error) |
| 1277 | goto out_unlock; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1278 | |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1279 | xfs_buf_delwri_queue(bp, buffer_list); |
Christoph Hellwig | fe7257f | 2012-04-23 15:58:37 +1000 | [diff] [blame] | 1280 | xfs_buf_relse(bp); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1281 | out_unlock: |
| 1282 | xfs_dqunlock(dqp); |
| 1283 | return error; |
| 1284 | } |
| 1285 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | /* |
| 1287 | * Walk thru all the filesystem inodes and construct a consistent view |
| 1288 | * of the disk quota world. If the quotacheck fails, disable quotas. |
| 1289 | */ |
Jie Liu | eb866bb | 2014-07-24 20:49:57 +1000 | [diff] [blame] | 1290 | STATIC int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | xfs_qm_quotacheck( |
| 1292 | xfs_mount_t *mp) |
| 1293 | { |
Darrick J. Wong | ebd126a | 2019-07-02 09:39:39 -0700 | [diff] [blame] | 1294 | int error, error2; |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1295 | uint flags; |
| 1296 | LIST_HEAD (buffer_list); |
| 1297 | struct xfs_inode *uip = mp->m_quotainfo->qi_uquotaip; |
| 1298 | struct xfs_inode *gip = mp->m_quotainfo->qi_gquotaip; |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1299 | struct xfs_inode *pip = mp->m_quotainfo->qi_pquotaip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1301 | flags = 0; |
| 1302 | |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1303 | ASSERT(uip || gip || pip); |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1304 | ASSERT(XFS_IS_QUOTA_ON(mp)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1305 | |
Dave Chinner | 0b932cc | 2011-03-07 10:08:35 +1100 | [diff] [blame] | 1306 | xfs_notice(mp, "Quotacheck needed: Please wait."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1307 | |
| 1308 | /* |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1309 | * First we go thru all the dquots on disk, USR and GRP/PRJ, and reset |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1310 | * their counters to zero. We need a clean slate. |
| 1311 | * We don't log our changes till later. |
| 1312 | */ |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 1313 | if (uip) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1314 | error = xfs_qm_reset_dqcounts_buf(mp, uip, XFS_DQTYPE_USER, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1315 | &buffer_list); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 1316 | if (error) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1317 | goto error_return; |
| 1318 | flags |= XFS_UQUOTA_CHKD; |
| 1319 | } |
| 1320 | |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 1321 | if (gip) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1322 | error = xfs_qm_reset_dqcounts_buf(mp, gip, XFS_DQTYPE_GROUP, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1323 | &buffer_list); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 1324 | if (error) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1325 | goto error_return; |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1326 | flags |= XFS_GQUOTA_CHKD; |
| 1327 | } |
| 1328 | |
| 1329 | if (pip) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1330 | error = xfs_qm_reset_dqcounts_buf(mp, pip, XFS_DQTYPE_PROJ, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1331 | &buffer_list); |
| 1332 | if (error) |
| 1333 | goto error_return; |
| 1334 | flags |= XFS_PQUOTA_CHKD; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1335 | } |
| 1336 | |
Darrick J. Wong | 49813a2 | 2023-09-11 08:39:08 -0700 | [diff] [blame] | 1337 | xfs_set_quotacheck_running(mp); |
Darrick J. Wong | 13d59a2 | 2019-07-03 20:36:28 -0700 | [diff] [blame] | 1338 | error = xfs_iwalk_threaded(mp, 0, 0, xfs_qm_dqusage_adjust, 0, true, |
| 1339 | NULL); |
Darrick J. Wong | 49813a2 | 2023-09-11 08:39:08 -0700 | [diff] [blame] | 1340 | xfs_clear_quotacheck_running(mp); |
Dave Chinner | 0c7273e | 2023-03-05 15:13:22 -0800 | [diff] [blame] | 1341 | |
| 1342 | /* |
| 1343 | * On error, the inode walk may have partially populated the dquot |
| 1344 | * caches. We must purge them before disabling quota and tearing down |
| 1345 | * the quotainfo, or else the dquots will leak. |
| 1346 | */ |
| 1347 | if (error) |
| 1348 | goto error_purge; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1349 | |
| 1350 | /* |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1351 | * We've made all the changes that we need to make incore. Flush them |
| 1352 | * down to disk buffers if everything was updated successfully. |
David Chinner | 4b8879d | 2008-04-10 12:20:17 +1000 | [diff] [blame] | 1353 | */ |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1354 | if (XFS_IS_UQUOTA_ON(mp)) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1355 | error = xfs_qm_dquot_walk(mp, XFS_DQTYPE_USER, xfs_qm_flush_one, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1356 | &buffer_list); |
| 1357 | } |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1358 | if (XFS_IS_GQUOTA_ON(mp)) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1359 | error2 = xfs_qm_dquot_walk(mp, XFS_DQTYPE_GROUP, xfs_qm_flush_one, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1360 | &buffer_list); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1361 | if (!error) |
| 1362 | error = error2; |
| 1363 | } |
| 1364 | if (XFS_IS_PQUOTA_ON(mp)) { |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1365 | error2 = xfs_qm_dquot_walk(mp, XFS_DQTYPE_PROJ, xfs_qm_flush_one, |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1366 | &buffer_list); |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1367 | if (!error) |
| 1368 | error = error2; |
| 1369 | } |
David Chinner | 4b8879d | 2008-04-10 12:20:17 +1000 | [diff] [blame] | 1370 | |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1371 | error2 = xfs_buf_delwri_submit(&buffer_list); |
| 1372 | if (!error) |
| 1373 | error = error2; |
| 1374 | |
David Chinner | 4b8879d | 2008-04-10 12:20:17 +1000 | [diff] [blame] | 1375 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1376 | * We can get this error if we couldn't do a dquot allocation inside |
| 1377 | * xfs_qm_dqusage_adjust (via bulkstat). We don't care about the |
| 1378 | * dirty dquots that might be cached, we just want to get rid of them |
| 1379 | * and turn quotaoff. The dquots won't be attached to any of the inodes |
| 1380 | * at this point (because we intentionally didn't in dqget_noattach). |
| 1381 | */ |
Dave Chinner | 0c7273e | 2023-03-05 15:13:22 -0800 | [diff] [blame] | 1382 | if (error) |
| 1383 | goto error_purge; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1384 | |
| 1385 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | * If one type of quotas is off, then it will lose its |
| 1387 | * quotachecked status, since we won't be doing accounting for |
| 1388 | * that type anymore. |
| 1389 | */ |
Chandra Seetharaman | 4177af3 | 2012-01-23 17:31:43 +0000 | [diff] [blame] | 1390 | mp->m_qflags &= ~XFS_ALL_QUOTA_CHKD; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1391 | mp->m_qflags |= flags; |
| 1392 | |
Dave Chinner | 0c7273e | 2023-03-05 15:13:22 -0800 | [diff] [blame] | 1393 | error_return: |
Brian Foster | 20e8a06 | 2017-04-21 12:40:44 -0700 | [diff] [blame] | 1394 | xfs_buf_delwri_cancel(&buffer_list); |
Christoph Hellwig | 43ff212 | 2012-04-23 15:58:39 +1000 | [diff] [blame] | 1395 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1396 | if (error) { |
Dave Chinner | 0b932cc | 2011-03-07 10:08:35 +1100 | [diff] [blame] | 1397 | xfs_warn(mp, |
| 1398 | "Quotacheck: Unsuccessful (Error %d): Disabling quotas.", |
| 1399 | error); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1400 | /* |
| 1401 | * We must turn off quotas. |
| 1402 | */ |
| 1403 | ASSERT(mp->m_quotainfo != NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1404 | xfs_qm_destroy_quotainfo(mp); |
David Chinner | 31d5577 | 2008-04-10 12:20:38 +1000 | [diff] [blame] | 1405 | if (xfs_mount_reset_sbqflags(mp)) { |
Dave Chinner | 0b932cc | 2011-03-07 10:08:35 +1100 | [diff] [blame] | 1406 | xfs_warn(mp, |
| 1407 | "Quotacheck: Failed to reset quota flags."); |
David Chinner | 31d5577 | 2008-04-10 12:20:38 +1000 | [diff] [blame] | 1408 | } |
Dave Chinner | 0b932cc | 2011-03-07 10:08:35 +1100 | [diff] [blame] | 1409 | } else |
| 1410 | xfs_notice(mp, "Quotacheck: Done."); |
Eric Sandeen | d99831f | 2014-06-22 15:03:54 +1000 | [diff] [blame] | 1411 | return error; |
Dave Chinner | 0c7273e | 2023-03-05 15:13:22 -0800 | [diff] [blame] | 1412 | |
| 1413 | error_purge: |
| 1414 | /* |
| 1415 | * On error, we may have inodes queued for inactivation. This may try |
| 1416 | * to attach dquots to the inode before running cleanup operations on |
| 1417 | * the inode and this can race with the xfs_qm_destroy_quotainfo() call |
| 1418 | * below that frees mp->m_quotainfo. To avoid this race, flush all the |
| 1419 | * pending inodegc operations before we purge the dquots from memory, |
| 1420 | * ensuring that background inactivation is idle whilst we turn off |
| 1421 | * quotas. |
| 1422 | */ |
| 1423 | xfs_inodegc_flush(mp); |
| 1424 | xfs_qm_dqpurge_all(mp); |
| 1425 | goto error_return; |
| 1426 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1427 | } |
| 1428 | |
| 1429 | /* |
Jie Liu | eb866bb | 2014-07-24 20:49:57 +1000 | [diff] [blame] | 1430 | * This is called from xfs_mountfs to start quotas and initialize all |
| 1431 | * necessary data structures like quotainfo. This is also responsible for |
| 1432 | * running a quotacheck as necessary. We are guaranteed that the superblock |
| 1433 | * is consistently read in at this point. |
| 1434 | * |
| 1435 | * If we fail here, the mount will continue with quota turned off. We don't |
| 1436 | * need to inidicate success or failure at all. |
| 1437 | */ |
| 1438 | void |
| 1439 | xfs_qm_mount_quotas( |
| 1440 | struct xfs_mount *mp) |
| 1441 | { |
| 1442 | int error = 0; |
| 1443 | uint sbf; |
| 1444 | |
| 1445 | /* |
| 1446 | * If quotas on realtime volumes is not supported, we disable |
| 1447 | * quotas immediately. |
| 1448 | */ |
| 1449 | if (mp->m_sb.sb_rextents) { |
| 1450 | xfs_notice(mp, "Cannot turn on quotas for realtime filesystem"); |
| 1451 | mp->m_qflags = 0; |
| 1452 | goto write_changes; |
| 1453 | } |
| 1454 | |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1455 | ASSERT(XFS_IS_QUOTA_ON(mp)); |
Jie Liu | eb866bb | 2014-07-24 20:49:57 +1000 | [diff] [blame] | 1456 | |
| 1457 | /* |
| 1458 | * Allocate the quotainfo structure inside the mount struct, and |
| 1459 | * create quotainode(s), and change/rev superblock if necessary. |
| 1460 | */ |
| 1461 | error = xfs_qm_init_quotainfo(mp); |
| 1462 | if (error) { |
| 1463 | /* |
| 1464 | * We must turn off quotas. |
| 1465 | */ |
| 1466 | ASSERT(mp->m_quotainfo == NULL); |
| 1467 | mp->m_qflags = 0; |
| 1468 | goto write_changes; |
| 1469 | } |
| 1470 | /* |
| 1471 | * If any of the quotas are not consistent, do a quotacheck. |
| 1472 | */ |
| 1473 | if (XFS_QM_NEED_QUOTACHECK(mp)) { |
| 1474 | error = xfs_qm_quotacheck(mp); |
| 1475 | if (error) { |
| 1476 | /* Quotacheck failed and disabled quotas. */ |
| 1477 | return; |
| 1478 | } |
| 1479 | } |
| 1480 | /* |
| 1481 | * If one type of quotas is off, then it will lose its |
| 1482 | * quotachecked status, since we won't be doing accounting for |
| 1483 | * that type anymore. |
| 1484 | */ |
| 1485 | if (!XFS_IS_UQUOTA_ON(mp)) |
| 1486 | mp->m_qflags &= ~XFS_UQUOTA_CHKD; |
| 1487 | if (!XFS_IS_GQUOTA_ON(mp)) |
| 1488 | mp->m_qflags &= ~XFS_GQUOTA_CHKD; |
| 1489 | if (!XFS_IS_PQUOTA_ON(mp)) |
| 1490 | mp->m_qflags &= ~XFS_PQUOTA_CHKD; |
| 1491 | |
| 1492 | write_changes: |
| 1493 | /* |
| 1494 | * We actually don't have to acquire the m_sb_lock at all. |
| 1495 | * This can only be called from mount, and that's single threaded. XXX |
| 1496 | */ |
| 1497 | spin_lock(&mp->m_sb_lock); |
| 1498 | sbf = mp->m_sb.sb_qflags; |
| 1499 | mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL; |
| 1500 | spin_unlock(&mp->m_sb_lock); |
| 1501 | |
| 1502 | if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) { |
Dave Chinner | 61e63ec | 2015-01-22 09:10:31 +1100 | [diff] [blame] | 1503 | if (xfs_sync_sb(mp, false)) { |
Jie Liu | eb866bb | 2014-07-24 20:49:57 +1000 | [diff] [blame] | 1504 | /* |
| 1505 | * We could only have been turning quotas off. |
| 1506 | * We aren't in very good shape actually because |
| 1507 | * the incore structures are convinced that quotas are |
| 1508 | * off, but the on disk superblock doesn't know that ! |
| 1509 | */ |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1510 | ASSERT(!(XFS_IS_QUOTA_ON(mp))); |
Jie Liu | eb866bb | 2014-07-24 20:49:57 +1000 | [diff] [blame] | 1511 | xfs_alert(mp, "%s: Superblock update failed!", |
| 1512 | __func__); |
| 1513 | } |
| 1514 | } |
| 1515 | |
| 1516 | if (error) { |
| 1517 | xfs_warn(mp, "Failed to initialize disk quotas."); |
| 1518 | return; |
| 1519 | } |
| 1520 | } |
| 1521 | |
| 1522 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1523 | * This is called after the superblock has been read in and we're ready to |
| 1524 | * iget the quota inodes. |
| 1525 | */ |
| 1526 | STATIC int |
| 1527 | xfs_qm_init_quotainos( |
| 1528 | xfs_mount_t *mp) |
| 1529 | { |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1530 | struct xfs_inode *uip = NULL; |
| 1531 | struct xfs_inode *gip = NULL; |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1532 | struct xfs_inode *pip = NULL; |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1533 | int error; |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1534 | uint flags = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1535 | |
| 1536 | ASSERT(mp->m_quotainfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1537 | |
| 1538 | /* |
| 1539 | * Get the uquota and gquota inodes |
| 1540 | */ |
Dave Chinner | 38c26bf | 2021-08-18 18:46:37 -0700 | [diff] [blame] | 1541 | if (xfs_has_quota(mp)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1542 | if (XFS_IS_UQUOTA_ON(mp) && |
| 1543 | mp->m_sb.sb_uquotino != NULLFSINO) { |
| 1544 | ASSERT(mp->m_sb.sb_uquotino > 0); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1545 | error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, |
| 1546 | 0, 0, &uip); |
| 1547 | if (error) |
Eric Sandeen | b474c7a | 2014-06-22 15:04:54 +1000 | [diff] [blame] | 1548 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1549 | } |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1550 | if (XFS_IS_GQUOTA_ON(mp) && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1551 | mp->m_sb.sb_gquotino != NULLFSINO) { |
| 1552 | ASSERT(mp->m_sb.sb_gquotino > 0); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1553 | error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, |
| 1554 | 0, 0, &gip); |
| 1555 | if (error) |
| 1556 | goto error_rele; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1557 | } |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1558 | if (XFS_IS_PQUOTA_ON(mp) && |
Chandra Seetharaman | d892d58 | 2013-07-19 17:36:02 -0500 | [diff] [blame] | 1559 | mp->m_sb.sb_pquotino != NULLFSINO) { |
| 1560 | ASSERT(mp->m_sb.sb_pquotino > 0); |
| 1561 | error = xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1562 | 0, 0, &pip); |
| 1563 | if (error) |
| 1564 | goto error_rele; |
| 1565 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1566 | } else { |
| 1567 | flags |= XFS_QMOPT_SBVERSION; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1568 | } |
| 1569 | |
| 1570 | /* |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1571 | * Create the three inodes, if they don't exist already. The changes |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1572 | * made above will get added to a transaction and logged in one of |
| 1573 | * the qino_alloc calls below. If the device is readonly, |
| 1574 | * temporarily switch to read-write to do this. |
| 1575 | */ |
| 1576 | if (XFS_IS_UQUOTA_ON(mp) && uip == NULL) { |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1577 | error = xfs_qm_qino_alloc(mp, &uip, |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1578 | flags | XFS_QMOPT_UQUOTA); |
| 1579 | if (error) |
| 1580 | goto error_rele; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1581 | |
| 1582 | flags &= ~XFS_QMOPT_SBVERSION; |
| 1583 | } |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1584 | if (XFS_IS_GQUOTA_ON(mp) && gip == NULL) { |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1585 | error = xfs_qm_qino_alloc(mp, &gip, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1586 | flags | XFS_QMOPT_GQUOTA); |
| 1587 | if (error) |
| 1588 | goto error_rele; |
| 1589 | |
| 1590 | flags &= ~XFS_QMOPT_SBVERSION; |
| 1591 | } |
| 1592 | if (XFS_IS_PQUOTA_ON(mp) && pip == NULL) { |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1593 | error = xfs_qm_qino_alloc(mp, &pip, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1594 | flags | XFS_QMOPT_PQUOTA); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1595 | if (error) |
| 1596 | goto error_rele; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1597 | } |
| 1598 | |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 1599 | mp->m_quotainfo->qi_uquotaip = uip; |
| 1600 | mp->m_quotainfo->qi_gquotaip = gip; |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1601 | mp->m_quotainfo->qi_pquotaip = pip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1602 | |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1603 | return 0; |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1604 | |
| 1605 | error_rele: |
| 1606 | if (uip) |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 1607 | xfs_irele(uip); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1608 | if (gip) |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 1609 | xfs_irele(gip); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1610 | if (pip) |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 1611 | xfs_irele(pip); |
Eric Sandeen | b474c7a | 2014-06-22 15:04:54 +1000 | [diff] [blame] | 1612 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1613 | } |
| 1614 | |
Christoph Hellwig | 92b2e5b | 2012-02-01 13:57:20 +0000 | [diff] [blame] | 1615 | STATIC void |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 1616 | xfs_qm_destroy_quotainos( |
Pavel Reichl | c072fbe | 2019-11-12 17:04:26 -0800 | [diff] [blame] | 1617 | struct xfs_quotainfo *qi) |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 1618 | { |
| 1619 | if (qi->qi_uquotaip) { |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 1620 | xfs_irele(qi->qi_uquotaip); |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 1621 | qi->qi_uquotaip = NULL; /* paranoia */ |
| 1622 | } |
| 1623 | if (qi->qi_gquotaip) { |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 1624 | xfs_irele(qi->qi_gquotaip); |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 1625 | qi->qi_gquotaip = NULL; |
| 1626 | } |
| 1627 | if (qi->qi_pquotaip) { |
Darrick J. Wong | 44a8736 | 2018-07-25 12:52:32 -0700 | [diff] [blame] | 1628 | xfs_irele(qi->qi_pquotaip); |
Aliaksei Karaliou | 3a3882f | 2017-12-21 13:18:26 -0800 | [diff] [blame] | 1629 | qi->qi_pquotaip = NULL; |
| 1630 | } |
| 1631 | } |
| 1632 | |
| 1633 | STATIC void |
Christoph Hellwig | 92b2e5b | 2012-02-01 13:57:20 +0000 | [diff] [blame] | 1634 | xfs_qm_dqfree_one( |
| 1635 | struct xfs_dquot *dqp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1636 | { |
Christoph Hellwig | 92b2e5b | 2012-02-01 13:57:20 +0000 | [diff] [blame] | 1637 | struct xfs_mount *mp = dqp->q_mount; |
| 1638 | struct xfs_quotainfo *qi = mp->m_quotainfo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1639 | |
Christoph Hellwig | 9f920f1 | 2012-03-13 08:52:35 +0000 | [diff] [blame] | 1640 | mutex_lock(&qi->qi_tree_lock); |
Darrick J. Wong | 51dbb1b | 2020-07-14 10:37:32 -0700 | [diff] [blame] | 1641 | radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id); |
Christoph Hellwig | bf72de3 | 2011-12-06 21:58:19 +0000 | [diff] [blame] | 1642 | |
Christoph Hellwig | 92b2e5b | 2012-02-01 13:57:20 +0000 | [diff] [blame] | 1643 | qi->qi_dquots--; |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 1644 | mutex_unlock(&qi->qi_tree_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1645 | |
Christoph Hellwig | 92b2e5b | 2012-02-01 13:57:20 +0000 | [diff] [blame] | 1646 | xfs_qm_dqdestroy(dqp); |
| 1647 | } |
Christoph Hellwig | be7ffc3 | 2011-12-06 21:58:17 +0000 | [diff] [blame] | 1648 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1649 | /* --------------- utility functions for vnodeops ---------------- */ |
| 1650 | |
| 1651 | |
| 1652 | /* |
Christoph Hellwig | 6c77b0e | 2010-10-06 18:41:17 +0000 | [diff] [blame] | 1653 | * Given an inode, a uid, gid and prid make sure that we have |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | * allocated relevant dquot(s) on disk, and that we won't exceed inode |
| 1655 | * quotas by creating this file. |
| 1656 | * This also attaches dquot(s) to the given inode after locking it, |
| 1657 | * and returns the dquots corresponding to the uid and/or gid. |
| 1658 | * |
| 1659 | * in : inode (unlocked) |
| 1660 | * out : udquot, gdquot with references taken and unlocked |
| 1661 | */ |
| 1662 | int |
| 1663 | xfs_qm_vop_dqalloc( |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1664 | struct xfs_inode *ip, |
Christoph Hellwig | 5429515 | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1665 | kuid_t uid, |
| 1666 | kgid_t gid, |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1667 | prid_t prid, |
| 1668 | uint flags, |
| 1669 | struct xfs_dquot **O_udqpp, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1670 | struct xfs_dquot **O_gdqpp, |
| 1671 | struct xfs_dquot **O_pdqpp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1672 | { |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1673 | struct xfs_mount *mp = ip->i_mount; |
Christoph Hellwig | 5429515 | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1674 | struct inode *inode = VFS_I(ip); |
Christoph Hellwig | ba8adad | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1675 | struct user_namespace *user_ns = inode->i_sb->s_user_ns; |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1676 | struct xfs_dquot *uq = NULL; |
| 1677 | struct xfs_dquot *gq = NULL; |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1678 | struct xfs_dquot *pq = NULL; |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1679 | int error; |
| 1680 | uint lockflags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1681 | |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1682 | if (!XFS_IS_QUOTA_ON(mp)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1683 | return 0; |
| 1684 | |
| 1685 | lockflags = XFS_ILOCK_EXCL; |
| 1686 | xfs_ilock(ip, lockflags); |
| 1687 | |
Christoph Hellwig | bd186aa | 2007-08-30 17:21:12 +1000 | [diff] [blame] | 1688 | if ((flags & XFS_QMOPT_INHERIT) && XFS_INHERIT_GID(ip)) |
Christoph Hellwig | 5429515 | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1689 | gid = inode->i_gid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1690 | |
| 1691 | /* |
| 1692 | * Attach the dquot(s) to this inode, doing a dquot allocation |
| 1693 | * if necessary. The dquot(s) will not be locked. |
| 1694 | */ |
| 1695 | if (XFS_NOT_DQATTACHED(mp, ip)) { |
Darrick J. Wong | 4882c19 | 2018-05-04 15:30:22 -0700 | [diff] [blame] | 1696 | error = xfs_qm_dqattach_locked(ip, true); |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1697 | if (error) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1698 | xfs_iunlock(ip, lockflags); |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1699 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1700 | } |
| 1701 | } |
| 1702 | |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1703 | if ((flags & XFS_QMOPT_UQUOTA) && XFS_IS_UQUOTA_ON(mp)) { |
Kaixu Xia | 97611f9 | 2020-10-06 17:50:14 -0700 | [diff] [blame] | 1704 | ASSERT(O_udqpp); |
Christoph Hellwig | 5429515 | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1705 | if (!uid_eq(inode->i_uid, uid)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1706 | /* |
| 1707 | * What we need is the dquot that has this uid, and |
| 1708 | * if we send the inode to dqget, the uid of the inode |
| 1709 | * takes priority over what's sent in the uid argument. |
| 1710 | * We must unlock inode here before calling dqget if |
| 1711 | * we're not sending the inode, because otherwise |
| 1712 | * we'll deadlock by doing trans_reserve while |
| 1713 | * holding ilock. |
| 1714 | */ |
| 1715 | xfs_iunlock(ip, lockflags); |
Christoph Hellwig | ba8adad | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1716 | error = xfs_qm_dqget(mp, from_kuid(user_ns, uid), |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1717 | XFS_DQTYPE_USER, true, &uq); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1718 | if (error) { |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 1719 | ASSERT(error != -ENOENT); |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1720 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1721 | } |
| 1722 | /* |
| 1723 | * Get the ilock in the right order. |
| 1724 | */ |
| 1725 | xfs_dqunlock(uq); |
| 1726 | lockflags = XFS_ILOCK_SHARED; |
| 1727 | xfs_ilock(ip, lockflags); |
| 1728 | } else { |
| 1729 | /* |
| 1730 | * Take an extra reference, because we'll return |
| 1731 | * this to caller |
| 1732 | */ |
| 1733 | ASSERT(ip->i_udquot); |
Christoph Hellwig | 78e5589 | 2011-12-06 21:58:22 +0000 | [diff] [blame] | 1734 | uq = xfs_qm_dqhold(ip->i_udquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1735 | } |
| 1736 | } |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1737 | if ((flags & XFS_QMOPT_GQUOTA) && XFS_IS_GQUOTA_ON(mp)) { |
Kaixu Xia | 97611f9 | 2020-10-06 17:50:14 -0700 | [diff] [blame] | 1738 | ASSERT(O_gdqpp); |
Christoph Hellwig | 5429515 | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1739 | if (!gid_eq(inode->i_gid, gid)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1740 | xfs_iunlock(ip, lockflags); |
Christoph Hellwig | ba8adad | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1741 | error = xfs_qm_dqget(mp, from_kgid(user_ns, gid), |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1742 | XFS_DQTYPE_GROUP, true, &gq); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1743 | if (error) { |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 1744 | ASSERT(error != -ENOENT); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1745 | goto error_rele; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1746 | } |
| 1747 | xfs_dqunlock(gq); |
| 1748 | lockflags = XFS_ILOCK_SHARED; |
| 1749 | xfs_ilock(ip, lockflags); |
| 1750 | } else { |
| 1751 | ASSERT(ip->i_gdquot); |
Christoph Hellwig | 78e5589 | 2011-12-06 21:58:22 +0000 | [diff] [blame] | 1752 | gq = xfs_qm_dqhold(ip->i_gdquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1753 | } |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1754 | } |
| 1755 | if ((flags & XFS_QMOPT_PQUOTA) && XFS_IS_PQUOTA_ON(mp)) { |
Kaixu Xia | 97611f9 | 2020-10-06 17:50:14 -0700 | [diff] [blame] | 1756 | ASSERT(O_pdqpp); |
Christoph Hellwig | ceaf603 | 2021-03-29 11:11:39 -0700 | [diff] [blame] | 1757 | if (ip->i_projid != prid) { |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1758 | xfs_iunlock(ip, lockflags); |
Kaixu Xia | 5aff675 | 2020-09-16 14:31:55 -0700 | [diff] [blame] | 1759 | error = xfs_qm_dqget(mp, prid, |
Darrick J. Wong | 8cd4901 | 2020-07-15 17:42:36 -0700 | [diff] [blame] | 1760 | XFS_DQTYPE_PROJ, true, &pq); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1761 | if (error) { |
Dave Chinner | 2451337 | 2014-06-25 14:58:08 +1000 | [diff] [blame] | 1762 | ASSERT(error != -ENOENT); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1763 | goto error_rele; |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1764 | } |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1765 | xfs_dqunlock(pq); |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1766 | lockflags = XFS_ILOCK_SHARED; |
| 1767 | xfs_ilock(ip, lockflags); |
| 1768 | } else { |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1769 | ASSERT(ip->i_pdquot); |
| 1770 | pq = xfs_qm_dqhold(ip->i_pdquot); |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 1771 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1772 | } |
Kaixu Xia | c140735 | 2020-04-22 21:54:27 -0700 | [diff] [blame] | 1773 | trace_xfs_dquot_dqalloc(ip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1774 | |
| 1775 | xfs_iunlock(ip, lockflags); |
| 1776 | if (O_udqpp) |
| 1777 | *O_udqpp = uq; |
Markus Elfring | d2a5e3c | 2014-12-01 08:24:20 +1100 | [diff] [blame] | 1778 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1779 | xfs_qm_dqrele(uq); |
| 1780 | if (O_gdqpp) |
| 1781 | *O_gdqpp = gq; |
Markus Elfring | d2a5e3c | 2014-12-01 08:24:20 +1100 | [diff] [blame] | 1782 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1783 | xfs_qm_dqrele(gq); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1784 | if (O_pdqpp) |
| 1785 | *O_pdqpp = pq; |
Markus Elfring | d2a5e3c | 2014-12-01 08:24:20 +1100 | [diff] [blame] | 1786 | else |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1787 | xfs_qm_dqrele(pq); |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1788 | return 0; |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1789 | |
| 1790 | error_rele: |
Markus Elfring | d2a5e3c | 2014-12-01 08:24:20 +1100 | [diff] [blame] | 1791 | xfs_qm_dqrele(gq); |
| 1792 | xfs_qm_dqrele(uq); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 1793 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1794 | } |
| 1795 | |
| 1796 | /* |
| 1797 | * Actually transfer ownership, and do dquot modifications. |
| 1798 | * These were already reserved. |
| 1799 | */ |
Pavel Reichl | aefe69a | 2019-11-12 17:04:02 -0800 | [diff] [blame] | 1800 | struct xfs_dquot * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1801 | xfs_qm_vop_chown( |
Pavel Reichl | aefe69a | 2019-11-12 17:04:02 -0800 | [diff] [blame] | 1802 | struct xfs_trans *tp, |
| 1803 | struct xfs_inode *ip, |
| 1804 | struct xfs_dquot **IO_olddq, |
| 1805 | struct xfs_dquot *newdq) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1806 | { |
Pavel Reichl | aefe69a | 2019-11-12 17:04:02 -0800 | [diff] [blame] | 1807 | struct xfs_dquot *prevdq; |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 1808 | uint bfield = XFS_IS_REALTIME_INODE(ip) ? |
| 1809 | XFS_TRANS_DQ_RTBCOUNT : XFS_TRANS_DQ_BCOUNT; |
| 1810 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1811 | |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 1812 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1813 | ASSERT(XFS_IS_QUOTA_ON(ip->i_mount)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1814 | |
| 1815 | /* old dquot */ |
| 1816 | prevdq = *IO_olddq; |
| 1817 | ASSERT(prevdq); |
| 1818 | ASSERT(prevdq != newdq); |
| 1819 | |
Christoph Hellwig | 6e73a54 | 2021-03-29 11:11:40 -0700 | [diff] [blame] | 1820 | xfs_trans_mod_dquot(tp, prevdq, bfield, -(ip->i_nblocks)); |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 1821 | xfs_trans_mod_dquot(tp, prevdq, XFS_TRANS_DQ_ICOUNT, -1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1822 | |
| 1823 | /* the sparkling new dquot */ |
Christoph Hellwig | 6e73a54 | 2021-03-29 11:11:40 -0700 | [diff] [blame] | 1824 | xfs_trans_mod_dquot(tp, newdq, bfield, ip->i_nblocks); |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 1825 | xfs_trans_mod_dquot(tp, newdq, XFS_TRANS_DQ_ICOUNT, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1826 | |
| 1827 | /* |
Darrick J. Wong | 1aecf37 | 2021-01-29 19:06:10 -0800 | [diff] [blame] | 1828 | * Back when we made quota reservations for the chown, we reserved the |
| 1829 | * ondisk blocks + delalloc blocks with the new dquot. Now that we've |
| 1830 | * switched the dquots, decrease the new dquot's block reservation |
| 1831 | * (having already bumped up the real counter) so that we don't have |
| 1832 | * any reservation to give back when we commit. |
| 1833 | */ |
| 1834 | xfs_trans_mod_dquot(tp, newdq, XFS_TRANS_DQ_RES_BLKS, |
| 1835 | -ip->i_delayed_blks); |
| 1836 | |
| 1837 | /* |
| 1838 | * Give the incore reservation for delalloc blocks back to the old |
| 1839 | * dquot. We don't normally handle delalloc quota reservations |
| 1840 | * transactionally, so just lock the dquot and subtract from the |
| 1841 | * reservation. Dirty the transaction because it's too late to turn |
| 1842 | * back now. |
| 1843 | */ |
| 1844 | tp->t_flags |= XFS_TRANS_DIRTY; |
| 1845 | xfs_dqlock(prevdq); |
| 1846 | ASSERT(prevdq->q_blk.reserved >= ip->i_delayed_blks); |
| 1847 | prevdq->q_blk.reserved -= ip->i_delayed_blks; |
| 1848 | xfs_dqunlock(prevdq); |
| 1849 | |
| 1850 | /* |
Christoph Hellwig | 78e5589 | 2011-12-06 21:58:22 +0000 | [diff] [blame] | 1851 | * Take an extra reference, because the inode is going to keep |
| 1852 | * this dquot pointer even after the trans_commit. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1853 | */ |
Christoph Hellwig | 78e5589 | 2011-12-06 21:58:22 +0000 | [diff] [blame] | 1854 | *IO_olddq = xfs_qm_dqhold(newdq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1855 | |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1856 | return prevdq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1857 | } |
| 1858 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1859 | int |
| 1860 | xfs_qm_vop_rename_dqattach( |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1861 | struct xfs_inode **i_tab) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1862 | { |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1863 | struct xfs_mount *mp = i_tab[0]->i_mount; |
| 1864 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1865 | |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1866 | if (!XFS_IS_QUOTA_ON(mp)) |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1867 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1868 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1869 | for (i = 0; (i < 4 && i_tab[i]); i++) { |
| 1870 | struct xfs_inode *ip = i_tab[i]; |
| 1871 | int error; |
| 1872 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1873 | /* |
| 1874 | * Watch out for duplicate entries in the table. |
| 1875 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1876 | if (i == 0 || ip != i_tab[i-1]) { |
| 1877 | if (XFS_NOT_DQATTACHED(mp, ip)) { |
Darrick J. Wong | c14cfcc | 2018-05-04 15:30:21 -0700 | [diff] [blame] | 1878 | error = xfs_qm_dqattach(ip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1879 | if (error) |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1880 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1881 | } |
| 1882 | } |
| 1883 | } |
Jesper Juhl | 014c254 | 2006-01-15 02:37:08 +0100 | [diff] [blame] | 1884 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1885 | } |
| 1886 | |
| 1887 | void |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1888 | xfs_qm_vop_create_dqattach( |
| 1889 | struct xfs_trans *tp, |
| 1890 | struct xfs_inode *ip, |
| 1891 | struct xfs_dquot *udqp, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1892 | struct xfs_dquot *gdqp, |
| 1893 | struct xfs_dquot *pdqp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1894 | { |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 1895 | struct xfs_mount *mp = tp->t_mountp; |
| 1896 | |
Christoph Hellwig | 149e53a | 2021-08-06 11:05:37 -0700 | [diff] [blame] | 1897 | if (!XFS_IS_QUOTA_ON(mp)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1898 | return; |
| 1899 | |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 1900 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1901 | |
Jie Liu | 37eb970 | 2013-11-26 21:38:54 +0800 | [diff] [blame] | 1902 | if (udqp && XFS_IS_UQUOTA_ON(mp)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1903 | ASSERT(ip->i_udquot == NULL); |
Darrick J. Wong | c51df73 | 2020-07-14 10:37:30 -0700 | [diff] [blame] | 1904 | ASSERT(i_uid_read(VFS_I(ip)) == udqp->q_id); |
Christoph Hellwig | 78e5589 | 2011-12-06 21:58:22 +0000 | [diff] [blame] | 1905 | |
| 1906 | ip->i_udquot = xfs_qm_dqhold(udqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1907 | xfs_trans_mod_dquot(tp, udqp, XFS_TRANS_DQ_ICOUNT, 1); |
| 1908 | } |
Jie Liu | 37eb970 | 2013-11-26 21:38:54 +0800 | [diff] [blame] | 1909 | if (gdqp && XFS_IS_GQUOTA_ON(mp)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1910 | ASSERT(ip->i_gdquot == NULL); |
Darrick J. Wong | c51df73 | 2020-07-14 10:37:30 -0700 | [diff] [blame] | 1911 | ASSERT(i_gid_read(VFS_I(ip)) == gdqp->q_id); |
Christoph Hellwig | 5429515 | 2020-02-21 08:31:27 -0800 | [diff] [blame] | 1912 | |
Christoph Hellwig | 78e5589 | 2011-12-06 21:58:22 +0000 | [diff] [blame] | 1913 | ip->i_gdquot = xfs_qm_dqhold(gdqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1914 | xfs_trans_mod_dquot(tp, gdqp, XFS_TRANS_DQ_ICOUNT, 1); |
| 1915 | } |
Jie Liu | 37eb970 | 2013-11-26 21:38:54 +0800 | [diff] [blame] | 1916 | if (pdqp && XFS_IS_PQUOTA_ON(mp)) { |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1917 | ASSERT(ip->i_pdquot == NULL); |
Christoph Hellwig | ceaf603 | 2021-03-29 11:11:39 -0700 | [diff] [blame] | 1918 | ASSERT(ip->i_projid == pdqp->q_id); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame] | 1919 | |
| 1920 | ip->i_pdquot = xfs_qm_dqhold(pdqp); |
| 1921 | xfs_trans_mod_dquot(tp, pdqp, XFS_TRANS_DQ_ICOUNT, 1); |
| 1922 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1923 | } |
| 1924 | |
Darrick J. Wong | 108523b | 2021-08-06 11:05:40 -0700 | [diff] [blame] | 1925 | /* Decide if this inode's dquot is near an enforcement boundary. */ |
| 1926 | bool |
| 1927 | xfs_inode_near_dquot_enforcement( |
| 1928 | struct xfs_inode *ip, |
| 1929 | xfs_dqtype_t type) |
| 1930 | { |
| 1931 | struct xfs_dquot *dqp; |
| 1932 | int64_t freesp; |
| 1933 | |
| 1934 | /* We only care for quotas that are enabled and enforced. */ |
| 1935 | dqp = xfs_inode_dquot(ip, type); |
| 1936 | if (!dqp || !xfs_dquot_is_enforced(dqp)) |
| 1937 | return false; |
| 1938 | |
| 1939 | if (xfs_dquot_res_over_limits(&dqp->q_ino) || |
| 1940 | xfs_dquot_res_over_limits(&dqp->q_rtb)) |
| 1941 | return true; |
| 1942 | |
| 1943 | /* For space on the data device, check the various thresholds. */ |
| 1944 | if (!dqp->q_prealloc_hi_wmark) |
| 1945 | return false; |
| 1946 | |
| 1947 | if (dqp->q_blk.reserved < dqp->q_prealloc_lo_wmark) |
| 1948 | return false; |
| 1949 | |
| 1950 | if (dqp->q_blk.reserved >= dqp->q_prealloc_hi_wmark) |
| 1951 | return true; |
| 1952 | |
| 1953 | freesp = dqp->q_prealloc_hi_wmark - dqp->q_blk.reserved; |
| 1954 | if (freesp < dqp->q_low_space[XFS_QLOWSP_5_PCNT]) |
| 1955 | return true; |
| 1956 | |
| 1957 | return false; |
| 1958 | } |