1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2018 Oracle. All Rights Reserved.
4 * Author: Darrick J. Wong <darrick.wong@oracle.com>
5 */
6 #ifndef __XFS_SCRUB_REPAIR_H__
7 #define __XFS_SCRUB_REPAIR_H__
8
xrep_notsupported(struct xfs_scrub * sc)9 static inline int xrep_notsupported(struct xfs_scrub *sc)
10 {
11 return -EOPNOTSUPP;
12 }
13
14 #ifdef CONFIG_XFS_ONLINE_REPAIR
15
16 /* Repair helpers */
17
18 int xrep_attempt(struct xfs_inode *ip, struct xfs_scrub *sc);
19 void xrep_failure(struct xfs_mount *mp);
20 int xrep_roll_ag_trans(struct xfs_scrub *sc);
21 bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks,
22 enum xfs_ag_resv_type type);
23 xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc);
24 int xrep_alloc_ag_block(struct xfs_scrub *sc,
25 const struct xfs_owner_info *oinfo, xfs_fsblock_t *fsbno,
26 enum xfs_ag_resv_type resv);
27 int xrep_init_btblock(struct xfs_scrub *sc, xfs_fsblock_t fsb,
28 struct xfs_buf **bpp, xfs_btnum_t btnum,
29 const struct xfs_buf_ops *ops);
30
31 struct xfs_bitmap;
32
33 int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink);
34 int xrep_invalidate_blocks(struct xfs_scrub *sc, struct xfs_bitmap *btlist);
35 int xrep_reap_extents(struct xfs_scrub *sc, struct xfs_bitmap *exlist,
36 const struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type);
37
38 struct xrep_find_ag_btree {
39 /* in: rmap owner of the btree we're looking for */
40 uint64_t rmap_owner;
41
42 /* in: buffer ops */
43 const struct xfs_buf_ops *buf_ops;
44
45 /* out: the highest btree block found and the tree height */
46 xfs_agblock_t root;
47 unsigned int height;
48 };
49
50 int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp,
51 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp);
52 void xrep_force_quotacheck(struct xfs_scrub *sc, uint dqtype);
53 int xrep_ino_dqattach(struct xfs_scrub *sc);
54
55 /* Metadata repairers */
56
57 int xrep_probe(struct xfs_scrub *sc);
58 int xrep_superblock(struct xfs_scrub *sc);
59 int xrep_agf(struct xfs_scrub *sc);
60 int xrep_agfl(struct xfs_scrub *sc);
61 int xrep_agi(struct xfs_scrub *sc);
62
63 #else
64
xrep_attempt(struct xfs_inode * ip,struct xfs_scrub * sc)65 static inline int xrep_attempt(
66 struct xfs_inode *ip,
67 struct xfs_scrub *sc)
68 {
69 return -EOPNOTSUPP;
70 }
71
xrep_failure(struct xfs_mount * mp)72 static inline void xrep_failure(struct xfs_mount *mp) {}
73
74 static inline xfs_extlen_t
xrep_calc_ag_resblks(struct xfs_scrub * sc)75 xrep_calc_ag_resblks(
76 struct xfs_scrub *sc)
77 {
78 ASSERT(!(sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR));
79 return 0;
80 }
81
82 #define xrep_probe xrep_notsupported
83 #define xrep_superblock xrep_notsupported
84 #define xrep_agf xrep_notsupported
85 #define xrep_agfl xrep_notsupported
86 #define xrep_agi xrep_notsupported
87
88 #endif /* CONFIG_XFS_ONLINE_REPAIR */
89
90 #endif /* __XFS_SCRUB_REPAIR_H__ */
91
