blob: 9de321eee4abff3f3efd29080822c53dc7ca59da [file] [log] [blame]
Dave Chinner0b61f8a2018-06-05 19:42:14 -07001// SPDX-License-Identifier: GPL-2.0+
Darrick J. Wong84d42ea2018-05-14 06:34:36 -07002/*
3 * Copyright (C) 2018 Oracle. All Rights Reserved.
Darrick J. Wong84d42ea2018-05-14 06:34:36 -07004 * Author: Darrick J. Wong <darrick.wong@oracle.com>
Darrick J. Wong84d42ea2018-05-14 06:34:36 -07005 */
6#ifndef __XFS_SCRUB_REPAIR_H__
7#define __XFS_SCRUB_REPAIR_H__
8
Darrick J. Wong1d8a7482018-07-19 12:29:12 -07009static inline int xrep_notsupported(struct xfs_scrub *sc)
Darrick J. Wong84d42ea2018-05-14 06:34:36 -070010{
11 return -EOPNOTSUPP;
12}
13
14#ifdef CONFIG_XFS_ONLINE_REPAIR
15
16/* Repair helpers */
17
Darrick J. Wong032d91f2018-07-19 12:29:12 -070018int xrep_attempt(struct xfs_inode *ip, struct xfs_scrub *sc, bool *fixed);
Darrick J. Wongb5e21962018-07-19 12:29:11 -070019void xrep_failure(struct xfs_mount *mp);
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070020int xrep_roll_ag_trans(struct xfs_scrub *sc);
Darrick J. Wongb5e21962018-07-19 12:29:11 -070021bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks,
Darrick J. Wong0a9633f2018-05-29 22:18:08 -070022 enum xfs_ag_resv_type type);
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070023xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc);
Darrick J. Wong032d91f2018-07-19 12:29:12 -070024int xrep_alloc_ag_block(struct xfs_scrub *sc, struct xfs_owner_info *oinfo,
25 xfs_fsblock_t *fsbno, enum xfs_ag_resv_type resv);
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070026int xrep_init_btblock(struct xfs_scrub *sc, xfs_fsblock_t fsb,
Darrick J. Wong73d6b422018-05-29 22:18:09 -070027 struct xfs_buf **bpp, xfs_btnum_t btnum,
28 const struct xfs_buf_ops *ops);
Darrick J. Wong84d42ea2018-05-14 06:34:36 -070029
Darrick J. Wong86d969b2018-07-30 11:18:13 -070030struct xfs_bitmap;
Darrick J. Wong64a39d82018-05-29 22:18:09 -070031
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070032int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink);
Darrick J. Wong86d969b2018-07-30 11:18:13 -070033int xrep_invalidate_blocks(struct xfs_scrub *sc, struct xfs_bitmap *btlist);
34int xrep_reap_extents(struct xfs_scrub *sc, struct xfs_bitmap *exlist,
Darrick J. Wong12c6510e2018-05-29 22:18:10 -070035 struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type);
Darrick J. Wong64a39d82018-05-29 22:18:09 -070036
Darrick J. Wongb5e21962018-07-19 12:29:11 -070037struct xrep_find_ag_btree {
Darrick J. Wong04a2b7b2018-05-29 22:18:10 -070038 /* in: rmap owner of the btree we're looking for */
39 uint64_t rmap_owner;
40
41 /* in: buffer ops */
42 const struct xfs_buf_ops *buf_ops;
43
44 /* in: magic number of the btree */
45 uint32_t magic;
46
47 /* out: the highest btree block found and the tree height */
48 xfs_agblock_t root;
49 unsigned int height;
50};
51
Darrick J. Wong032d91f2018-07-19 12:29:12 -070052int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp,
53 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp);
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070054void xrep_force_quotacheck(struct xfs_scrub *sc, uint dqtype);
55int xrep_ino_dqattach(struct xfs_scrub *sc);
Darrick J. Wong04a2b7b2018-05-29 22:18:10 -070056
Darrick J. Wong84d42ea2018-05-14 06:34:36 -070057/* Metadata repairers */
58
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070059int xrep_probe(struct xfs_scrub *sc);
60int xrep_superblock(struct xfs_scrub *sc);
Darrick J. Wongf9ed6de2018-08-09 22:42:53 -070061int xrep_agf(struct xfs_scrub *sc);
Darrick J. Wong0e93d3f2018-08-09 22:43:02 -070062int xrep_agfl(struct xfs_scrub *sc);
Darrick J. Wong13942aa2018-08-09 22:43:04 -070063int xrep_agi(struct xfs_scrub *sc);
Darrick J. Wong84d42ea2018-05-14 06:34:36 -070064
65#else
66
Darrick J. Wongb5e21962018-07-19 12:29:11 -070067static inline int xrep_attempt(
Darrick J. Wong032d91f2018-07-19 12:29:12 -070068 struct xfs_inode *ip,
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070069 struct xfs_scrub *sc,
Darrick J. Wong032d91f2018-07-19 12:29:12 -070070 bool *fixed)
Darrick J. Wong84d42ea2018-05-14 06:34:36 -070071{
72 return -EOPNOTSUPP;
73}
74
Darrick J. Wongb5e21962018-07-19 12:29:11 -070075static inline void xrep_failure(struct xfs_mount *mp) {}
Darrick J. Wong84d42ea2018-05-14 06:34:36 -070076
Darrick J. Wong0a9633f2018-05-29 22:18:08 -070077static inline xfs_extlen_t
Darrick J. Wongb5e21962018-07-19 12:29:11 -070078xrep_calc_ag_resblks(
Darrick J. Wong1d8a7482018-07-19 12:29:12 -070079 struct xfs_scrub *sc)
Darrick J. Wong0a9633f2018-05-29 22:18:08 -070080{
81 ASSERT(!(sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR));
82 return 0;
83}
84
Darrick J. Wongb5e21962018-07-19 12:29:11 -070085#define xrep_probe xrep_notsupported
86#define xrep_superblock xrep_notsupported
Darrick J. Wongf9ed6de2018-08-09 22:42:53 -070087#define xrep_agf xrep_notsupported
Darrick J. Wong0e93d3f2018-08-09 22:43:02 -070088#define xrep_agfl xrep_notsupported
Darrick J. Wong13942aa2018-08-09 22:43:04 -070089#define xrep_agi xrep_notsupported
Darrick J. Wong84d42ea2018-05-14 06:34:36 -070090
91#endif /* CONFIG_XFS_ONLINE_REPAIR */
92
93#endif /* __XFS_SCRUB_REPAIR_H__ */