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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
9#include "xfs_quota_defs.h"
10
11static inline int xrep_notsupported(struct xfs_scrub *sc)
12{
13 return -EOPNOTSUPP;
14}
15
16#ifdef CONFIG_XFS_ONLINE_REPAIR
17
18/* Repair helpers */
19
20int xrep_attempt(struct xfs_inode *ip, struct xfs_scrub *sc);
21void xrep_failure(struct xfs_mount *mp);
22int xrep_roll_ag_trans(struct xfs_scrub *sc);
23bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks,
24 enum xfs_ag_resv_type type);
25xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc);
26int xrep_alloc_ag_block(struct xfs_scrub *sc,
27 const struct xfs_owner_info *oinfo, xfs_fsblock_t *fsbno,
28 enum xfs_ag_resv_type resv);
29int xrep_init_btblock(struct xfs_scrub *sc, xfs_fsblock_t fsb,
30 struct xfs_buf **bpp, xfs_btnum_t btnum,
31 const struct xfs_buf_ops *ops);
32
33struct xbitmap;
34
35int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink);
36int xrep_invalidate_blocks(struct xfs_scrub *sc, struct xbitmap *btlist);
37int xrep_reap_extents(struct xfs_scrub *sc, struct xbitmap *exlist,
38 const struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type);
39
40struct xrep_find_ag_btree {
41 /* in: rmap owner of the btree we're looking for */
42 uint64_t rmap_owner;
43
44 /* in: buffer ops */
45 const struct xfs_buf_ops *buf_ops;
46
47 /* out: the highest btree block found and the tree height */
48 xfs_agblock_t root;
49 unsigned int height;
50};
51
52int 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);
54void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type);
55int xrep_ino_dqattach(struct xfs_scrub *sc);
56
57/* Metadata repairers */
58
59int xrep_probe(struct xfs_scrub *sc);
60int xrep_superblock(struct xfs_scrub *sc);
61int xrep_agf(struct xfs_scrub *sc);
62int xrep_agfl(struct xfs_scrub *sc);
63int xrep_agi(struct xfs_scrub *sc);
64
65#else
66
67static inline int xrep_attempt(
68 struct xfs_inode *ip,
69 struct xfs_scrub *sc)
70{
71 return -EOPNOTSUPP;
72}
73
74static inline void xrep_failure(struct xfs_mount *mp) {}
75
76static inline xfs_extlen_t
77xrep_calc_ag_resblks(
78 struct xfs_scrub *sc)
79{
80 return 0;
81}
82
83#define xrep_probe xrep_notsupported
84#define xrep_superblock xrep_notsupported
85#define xrep_agf xrep_notsupported
86#define xrep_agfl xrep_notsupported
87#define xrep_agi xrep_notsupported
88
89#endif /* CONFIG_XFS_ONLINE_REPAIR */
90
91#endif /* __XFS_SCRUB_REPAIR_H__ */
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 2018-2023 Oracle. All Rights Reserved.
4 * Author: Darrick J. Wong <djwong@kernel.org>
5 */
6#ifndef __XFS_SCRUB_REPAIR_H__
7#define __XFS_SCRUB_REPAIR_H__
8
9#include "xfs_quota_defs.h"
10
11struct xchk_stats_run;
12
13static inline int xrep_notsupported(struct xfs_scrub *sc)
14{
15 return -EOPNOTSUPP;
16}
17
18#ifdef CONFIG_XFS_ONLINE_REPAIR
19
20/*
21 * This is the maximum number of deferred extent freeing item extents (EFIs)
22 * that we'll attach to a transaction without rolling the transaction to avoid
23 * overrunning a tr_itruncate reservation.
24 */
25#define XREP_MAX_ITRUNCATE_EFIS (128)
26
27
28/* Repair helpers */
29
30int xrep_attempt(struct xfs_scrub *sc, struct xchk_stats_run *run);
31bool xrep_will_attempt(struct xfs_scrub *sc);
32void xrep_failure(struct xfs_mount *mp);
33int xrep_roll_ag_trans(struct xfs_scrub *sc);
34int xrep_roll_trans(struct xfs_scrub *sc);
35int xrep_defer_finish(struct xfs_scrub *sc);
36bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks,
37 enum xfs_ag_resv_type type);
38xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc);
39
40static inline int
41xrep_trans_commit(
42 struct xfs_scrub *sc)
43{
44 int error = xfs_trans_commit(sc->tp);
45
46 sc->tp = NULL;
47 return error;
48}
49
50struct xbitmap;
51struct xagb_bitmap;
52struct xfsb_bitmap;
53
54int xrep_fix_freelist(struct xfs_scrub *sc, int alloc_flags);
55
56struct xrep_find_ag_btree {
57 /* in: rmap owner of the btree we're looking for */
58 uint64_t rmap_owner;
59
60 /* in: buffer ops */
61 const struct xfs_buf_ops *buf_ops;
62
63 /* in: maximum btree height */
64 unsigned int maxlevels;
65
66 /* out: the highest btree block found and the tree height */
67 xfs_agblock_t root;
68 unsigned int height;
69};
70
71int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp,
72 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp);
73
74#ifdef CONFIG_XFS_QUOTA
75void xrep_update_qflags(struct xfs_scrub *sc, unsigned int clear_flags,
76 unsigned int set_flags);
77void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type);
78int xrep_ino_dqattach(struct xfs_scrub *sc);
79#else
80# define xrep_force_quotacheck(sc, type) ((void)0)
81# define xrep_ino_dqattach(sc) (0)
82#endif /* CONFIG_XFS_QUOTA */
83
84int xrep_setup_xfbtree(struct xfs_scrub *sc, const char *descr);
85
86int xrep_ino_ensure_extent_count(struct xfs_scrub *sc, int whichfork,
87 xfs_extnum_t nextents);
88int xrep_reset_perag_resv(struct xfs_scrub *sc);
89int xrep_bmap(struct xfs_scrub *sc, int whichfork, bool allow_unwritten);
90int xrep_metadata_inode_forks(struct xfs_scrub *sc);
91int xrep_setup_ag_rmapbt(struct xfs_scrub *sc);
92int xrep_setup_ag_refcountbt(struct xfs_scrub *sc);
93
94/* Repair setup functions */
95int xrep_setup_ag_allocbt(struct xfs_scrub *sc);
96
97struct xfs_imap;
98int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap);
99
100void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa);
101int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag,
102 struct xchk_ag *sa);
103
104/* Metadata revalidators */
105
106int xrep_revalidate_allocbt(struct xfs_scrub *sc);
107int xrep_revalidate_iallocbt(struct xfs_scrub *sc);
108
109/* Metadata repairers */
110
111int xrep_probe(struct xfs_scrub *sc);
112int xrep_superblock(struct xfs_scrub *sc);
113int xrep_agf(struct xfs_scrub *sc);
114int xrep_agfl(struct xfs_scrub *sc);
115int xrep_agi(struct xfs_scrub *sc);
116int xrep_allocbt(struct xfs_scrub *sc);
117int xrep_iallocbt(struct xfs_scrub *sc);
118int xrep_rmapbt(struct xfs_scrub *sc);
119int xrep_refcountbt(struct xfs_scrub *sc);
120int xrep_inode(struct xfs_scrub *sc);
121int xrep_bmap_data(struct xfs_scrub *sc);
122int xrep_bmap_attr(struct xfs_scrub *sc);
123int xrep_bmap_cow(struct xfs_scrub *sc);
124int xrep_nlinks(struct xfs_scrub *sc);
125int xrep_fscounters(struct xfs_scrub *sc);
126
127#ifdef CONFIG_XFS_RT
128int xrep_rtbitmap(struct xfs_scrub *sc);
129#else
130# define xrep_rtbitmap xrep_notsupported
131#endif /* CONFIG_XFS_RT */
132
133#ifdef CONFIG_XFS_QUOTA
134int xrep_quota(struct xfs_scrub *sc);
135int xrep_quotacheck(struct xfs_scrub *sc);
136#else
137# define xrep_quota xrep_notsupported
138# define xrep_quotacheck xrep_notsupported
139#endif /* CONFIG_XFS_QUOTA */
140
141int xrep_reinit_pagf(struct xfs_scrub *sc);
142int xrep_reinit_pagi(struct xfs_scrub *sc);
143
144int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep,
145 struct xfs_trans **tpp);
146void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp);
147
148#else
149
150#define xrep_ino_dqattach(sc) (0)
151#define xrep_will_attempt(sc) (false)
152
153static inline int
154xrep_attempt(
155 struct xfs_scrub *sc,
156 struct xchk_stats_run *run)
157{
158 return -EOPNOTSUPP;
159}
160
161static inline void xrep_failure(struct xfs_mount *mp) {}
162
163static inline xfs_extlen_t
164xrep_calc_ag_resblks(
165 struct xfs_scrub *sc)
166{
167 return 0;
168}
169
170static inline int
171xrep_reset_perag_resv(
172 struct xfs_scrub *sc)
173{
174 if (!(sc->flags & XREP_RESET_PERAG_RESV))
175 return 0;
176
177 ASSERT(0);
178 return -EOPNOTSUPP;
179}
180
181/* repair setup functions for no-repair */
182static inline int
183xrep_setup_nothing(
184 struct xfs_scrub *sc)
185{
186 return 0;
187}
188#define xrep_setup_ag_allocbt xrep_setup_nothing
189#define xrep_setup_ag_rmapbt xrep_setup_nothing
190#define xrep_setup_ag_refcountbt xrep_setup_nothing
191
192#define xrep_setup_inode(sc, imap) ((void)0)
193
194#define xrep_revalidate_allocbt (NULL)
195#define xrep_revalidate_iallocbt (NULL)
196
197#define xrep_probe xrep_notsupported
198#define xrep_superblock xrep_notsupported
199#define xrep_agf xrep_notsupported
200#define xrep_agfl xrep_notsupported
201#define xrep_agi xrep_notsupported
202#define xrep_allocbt xrep_notsupported
203#define xrep_iallocbt xrep_notsupported
204#define xrep_rmapbt xrep_notsupported
205#define xrep_refcountbt xrep_notsupported
206#define xrep_inode xrep_notsupported
207#define xrep_bmap_data xrep_notsupported
208#define xrep_bmap_attr xrep_notsupported
209#define xrep_bmap_cow xrep_notsupported
210#define xrep_rtbitmap xrep_notsupported
211#define xrep_quota xrep_notsupported
212#define xrep_quotacheck xrep_notsupported
213#define xrep_nlinks xrep_notsupported
214#define xrep_fscounters xrep_notsupported
215
216#endif /* CONFIG_XFS_ONLINE_REPAIR */
217
218#endif /* __XFS_SCRUB_REPAIR_H__ */