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 | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 3 | * Copyright (c) 2001-2005 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" |
Dave Chinner | 73efe4a | 2011-01-12 00:35:42 +0000 | [diff] [blame] | 7 | #include "xfs_error.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | static struct ctl_table_header *xfs_table_header; |
| 10 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #ifdef CONFIG_PROC_FS |
| 12 | STATIC int |
| 13 | xfs_stats_clear_proc_handler( |
Joel Granados | 78eb4ea | 2024-07-24 20:59:29 +0200 | [diff] [blame] | 14 | const struct ctl_table *ctl, |
Joe Perches | b2410e9 | 2013-06-13 19:37:50 -0700 | [diff] [blame] | 15 | int write, |
Christoph Hellwig | 3292739 | 2020-04-24 08:43:38 +0200 | [diff] [blame] | 16 | void *buffer, |
Joe Perches | b2410e9 | 2013-06-13 19:37:50 -0700 | [diff] [blame] | 17 | size_t *lenp, |
| 18 | loff_t *ppos) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | { |
Bill O'Donnell | bb230c1 | 2015-10-12 05:15:45 +1100 | [diff] [blame] | 20 | int ret, *valp = ctl->data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
Alexey Dobriyan | 8d65af7 | 2009-09-23 15:57:19 -0700 | [diff] [blame] | 22 | ret = proc_dointvec_minmax(ctl, write, buffer, lenp, ppos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | |
| 24 | if (!ret && write && *valp) { |
Bill O'Donnell | 80529c4 | 2015-10-12 05:19:45 +1100 | [diff] [blame] | 25 | xfs_stats_clearall(xfsstats.xs_stats); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | xfs_stats_clear = 0; |
| 27 | } |
| 28 | |
| 29 | return ret; |
| 30 | } |
Dave Chinner | 73efe4a | 2011-01-12 00:35:42 +0000 | [diff] [blame] | 31 | |
| 32 | STATIC int |
| 33 | xfs_panic_mask_proc_handler( |
Joel Granados | 78eb4ea | 2024-07-24 20:59:29 +0200 | [diff] [blame] | 34 | const struct ctl_table *ctl, |
Joe Perches | b2410e9 | 2013-06-13 19:37:50 -0700 | [diff] [blame] | 35 | int write, |
Christoph Hellwig | 3292739 | 2020-04-24 08:43:38 +0200 | [diff] [blame] | 36 | void *buffer, |
Joe Perches | b2410e9 | 2013-06-13 19:37:50 -0700 | [diff] [blame] | 37 | size_t *lenp, |
| 38 | loff_t *ppos) |
Dave Chinner | 73efe4a | 2011-01-12 00:35:42 +0000 | [diff] [blame] | 39 | { |
| 40 | int ret, *valp = ctl->data; |
| 41 | |
| 42 | ret = proc_dointvec_minmax(ctl, write, buffer, lenp, ppos); |
| 43 | if (!ret && write) { |
| 44 | xfs_panic_mask = *valp; |
| 45 | #ifdef DEBUG |
| 46 | xfs_panic_mask |= (XFS_PTAG_SHUTDOWN_CORRUPT | XFS_PTAG_LOGRES); |
| 47 | #endif |
| 48 | } |
| 49 | return ret; |
| 50 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | #endif /* CONFIG_PROC_FS */ |
| 52 | |
Pavel Reichl | 3442de9 | 2020-09-25 11:11:37 -0700 | [diff] [blame] | 53 | STATIC int |
Darrick J. Wong | 89e0eb8 | 2021-02-12 09:14:47 -0800 | [diff] [blame] | 54 | xfs_deprecated_dointvec_minmax( |
Joel Granados | 78eb4ea | 2024-07-24 20:59:29 +0200 | [diff] [blame] | 55 | const struct ctl_table *ctl, |
Pavel Reichl | 3442de9 | 2020-09-25 11:11:37 -0700 | [diff] [blame] | 56 | int write, |
| 57 | void *buffer, |
| 58 | size_t *lenp, |
| 59 | loff_t *ppos) |
| 60 | { |
| 61 | if (write) { |
Darrick J. Wong | 89e0eb8 | 2021-02-12 09:14:47 -0800 | [diff] [blame] | 62 | printk_ratelimited(KERN_WARNING |
| 63 | "XFS: %s sysctl option is deprecated.\n", |
Pavel Reichl | 3442de9 | 2020-09-25 11:11:37 -0700 | [diff] [blame] | 64 | ctl->procname); |
| 65 | } |
| 66 | return proc_dointvec_minmax(ctl, write, buffer, lenp, ppos); |
| 67 | } |
| 68 | |
Joe Perches | b2410e9 | 2013-06-13 19:37:50 -0700 | [diff] [blame] | 69 | static struct ctl_table xfs_table[] = { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 70 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 71 | .procname = "irix_sgid_inherit", |
| 72 | .data = &xfs_params.sgid_inherit.val, |
| 73 | .maxlen = sizeof(int), |
| 74 | .mode = 0644, |
Darrick J. Wong | 89e0eb8 | 2021-02-12 09:14:47 -0800 | [diff] [blame] | 75 | .proc_handler = xfs_deprecated_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 76 | .extra1 = &xfs_params.sgid_inherit.min, |
| 77 | .extra2 = &xfs_params.sgid_inherit.max |
| 78 | }, |
| 79 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 80 | .procname = "irix_symlink_mode", |
| 81 | .data = &xfs_params.symlink_mode.val, |
| 82 | .maxlen = sizeof(int), |
| 83 | .mode = 0644, |
Darrick J. Wong | 89e0eb8 | 2021-02-12 09:14:47 -0800 | [diff] [blame] | 84 | .proc_handler = xfs_deprecated_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 85 | .extra1 = &xfs_params.symlink_mode.min, |
| 86 | .extra2 = &xfs_params.symlink_mode.max |
| 87 | }, |
| 88 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 89 | .procname = "panic_mask", |
| 90 | .data = &xfs_params.panic_mask.val, |
| 91 | .maxlen = sizeof(int), |
| 92 | .mode = 0644, |
Dave Chinner | 73efe4a | 2011-01-12 00:35:42 +0000 | [diff] [blame] | 93 | .proc_handler = xfs_panic_mask_proc_handler, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 94 | .extra1 = &xfs_params.panic_mask.min, |
| 95 | .extra2 = &xfs_params.panic_mask.max |
| 96 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 98 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 99 | .procname = "error_level", |
| 100 | .data = &xfs_params.error_level.val, |
| 101 | .maxlen = sizeof(int), |
| 102 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 103 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 104 | .extra1 = &xfs_params.error_level.min, |
| 105 | .extra2 = &xfs_params.error_level.max |
| 106 | }, |
| 107 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 108 | .procname = "xfssyncd_centisecs", |
| 109 | .data = &xfs_params.syncd_timer.val, |
| 110 | .maxlen = sizeof(int), |
| 111 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 112 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 113 | .extra1 = &xfs_params.syncd_timer.min, |
| 114 | .extra2 = &xfs_params.syncd_timer.max |
| 115 | }, |
| 116 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 117 | .procname = "inherit_sync", |
| 118 | .data = &xfs_params.inherit_sync.val, |
| 119 | .maxlen = sizeof(int), |
| 120 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 121 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 122 | .extra1 = &xfs_params.inherit_sync.min, |
| 123 | .extra2 = &xfs_params.inherit_sync.max |
| 124 | }, |
| 125 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 126 | .procname = "inherit_nodump", |
| 127 | .data = &xfs_params.inherit_nodump.val, |
| 128 | .maxlen = sizeof(int), |
| 129 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 130 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 131 | .extra1 = &xfs_params.inherit_nodump.min, |
| 132 | .extra2 = &xfs_params.inherit_nodump.max |
| 133 | }, |
| 134 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 135 | .procname = "inherit_noatime", |
| 136 | .data = &xfs_params.inherit_noatim.val, |
| 137 | .maxlen = sizeof(int), |
| 138 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 139 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 140 | .extra1 = &xfs_params.inherit_noatim.min, |
| 141 | .extra2 = &xfs_params.inherit_noatim.max |
| 142 | }, |
| 143 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 144 | .procname = "inherit_nosymlinks", |
| 145 | .data = &xfs_params.inherit_nosym.val, |
| 146 | .maxlen = sizeof(int), |
| 147 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 148 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 149 | .extra1 = &xfs_params.inherit_nosym.min, |
| 150 | .extra2 = &xfs_params.inherit_nosym.max |
| 151 | }, |
| 152 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 153 | .procname = "rotorstep", |
| 154 | .data = &xfs_params.rotorstep.val, |
| 155 | .maxlen = sizeof(int), |
| 156 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 157 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 158 | .extra1 = &xfs_params.rotorstep.min, |
| 159 | .extra2 = &xfs_params.rotorstep.max |
| 160 | }, |
| 161 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 162 | .procname = "inherit_nodefrag", |
| 163 | .data = &xfs_params.inherit_nodfrg.val, |
| 164 | .maxlen = sizeof(int), |
| 165 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 166 | .proc_handler = proc_dointvec_minmax, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 167 | .extra1 = &xfs_params.inherit_nodfrg.min, |
| 168 | .extra2 = &xfs_params.inherit_nodfrg.max |
| 169 | }, |
David Chinner | 2a82b8b | 2007-07-11 11:09:12 +1000 | [diff] [blame] | 170 | { |
David Chinner | 2a82b8b | 2007-07-11 11:09:12 +1000 | [diff] [blame] | 171 | .procname = "filestream_centisecs", |
| 172 | .data = &xfs_params.fstrm_timer.val, |
| 173 | .maxlen = sizeof(int), |
| 174 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 175 | .proc_handler = proc_dointvec_minmax, |
David Chinner | 2a82b8b | 2007-07-11 11:09:12 +1000 | [diff] [blame] | 176 | .extra1 = &xfs_params.fstrm_timer.min, |
| 177 | .extra2 = &xfs_params.fstrm_timer.max, |
| 178 | }, |
Brian Foster | 579b62f | 2012-11-06 09:50:47 -0500 | [diff] [blame] | 179 | { |
| 180 | .procname = "speculative_prealloc_lifetime", |
Darrick J. Wong | 9669f51 | 2021-01-22 16:48:43 -0800 | [diff] [blame] | 181 | .data = &xfs_params.blockgc_timer.val, |
Brian Foster | 579b62f | 2012-11-06 09:50:47 -0500 | [diff] [blame] | 182 | .maxlen = sizeof(int), |
| 183 | .mode = 0644, |
| 184 | .proc_handler = proc_dointvec_minmax, |
Darrick J. Wong | 9669f51 | 2021-01-22 16:48:43 -0800 | [diff] [blame] | 185 | .extra1 = &xfs_params.blockgc_timer.min, |
| 186 | .extra2 = &xfs_params.blockgc_timer.max, |
Darrick J. Wong | 83104d4 | 2016-10-03 09:11:46 -0700 | [diff] [blame] | 187 | }, |
Darrick J. Wong | 89e0eb8 | 2021-02-12 09:14:47 -0800 | [diff] [blame] | 188 | { |
| 189 | .procname = "speculative_cow_prealloc_lifetime", |
| 190 | .data = &xfs_params.blockgc_timer.val, |
| 191 | .maxlen = sizeof(int), |
| 192 | .mode = 0644, |
| 193 | .proc_handler = xfs_deprecated_dointvec_minmax, |
| 194 | .extra1 = &xfs_params.blockgc_timer.min, |
| 195 | .extra2 = &xfs_params.blockgc_timer.max, |
| 196 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | /* please keep this the last entry */ |
| 198 | #ifdef CONFIG_PROC_FS |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 199 | { |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 200 | .procname = "stats_clear", |
| 201 | .data = &xfs_params.stats_clear.val, |
| 202 | .maxlen = sizeof(int), |
| 203 | .mode = 0644, |
Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 204 | .proc_handler = xfs_stats_clear_proc_handler, |
Eric W. Biederman | 3a68cbf | 2007-02-10 18:36:59 +1100 | [diff] [blame] | 205 | .extra1 = &xfs_params.stats_clear.min, |
| 206 | .extra2 = &xfs_params.stats_clear.max |
| 207 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | #endif /* CONFIG_PROC_FS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | }; |
| 210 | |
Christoph Hellwig | 9f8868f | 2008-07-18 17:11:46 +1000 | [diff] [blame] | 211 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | xfs_sysctl_register(void) |
| 213 | { |
Luis Chamberlain | f5d2b92 | 2023-03-10 00:42:26 -0800 | [diff] [blame] | 214 | xfs_table_header = register_sysctl("fs/xfs", xfs_table); |
Christoph Hellwig | 9f8868f | 2008-07-18 17:11:46 +1000 | [diff] [blame] | 215 | if (!xfs_table_header) |
| 216 | return -ENOMEM; |
| 217 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | void |
| 221 | xfs_sysctl_unregister(void) |
| 222 | { |
Christoph Hellwig | 9f8868f | 2008-07-18 17:11:46 +1000 | [diff] [blame] | 223 | unregister_sysctl_table(xfs_table_header); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | } |