| | 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 | |
| | 11 | static 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 | |
| | 20 | int xrep_attempt(struct xfs_scrub *sc); |
| | 21 | void xrep_failure(struct xfs_mount *mp); |
| | 22 | int xrep_roll_ag_trans(struct xfs_scrub *sc); |
| | 23 | bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks, |
| | 24 | enum xfs_ag_resv_type type); |
| | 25 | xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc); |
| | 26 | int 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); |
| | 29 | int 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 | |
| | 33 | struct xbitmap; |
| | 34 | |
| | 35 | int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink); |
| | 36 | int xrep_invalidate_blocks(struct xfs_scrub *sc, struct xbitmap *btlist); |
| | 37 | int xrep_reap_extents(struct xfs_scrub *sc, struct xbitmap *exlist, |
| | 38 | const struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type); |
| | 39 | |
| | 40 | struct 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 | |
| | 52 | int 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); |
| | 54 | void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type); |
| | 55 | int xrep_ino_dqattach(struct xfs_scrub *sc); |
| | 56 | |
| | 57 | /* Metadata repairers */ |
| | 58 | |
| | 59 | int xrep_probe(struct xfs_scrub *sc); |
| | 60 | int xrep_superblock(struct xfs_scrub *sc); |
| | 61 | int xrep_agf(struct xfs_scrub *sc); |
| | 62 | int xrep_agfl(struct xfs_scrub *sc); |
| | 63 | int xrep_agi(struct xfs_scrub *sc); |
| | 64 | |
| | 65 | #else |
| | 66 | |
| | 67 | static inline int |
| | 68 | xrep_attempt( |
| | 69 | struct xfs_scrub *sc) |
| | 70 | { |
| | 71 | return -EOPNOTSUPP; |
| | 72 | } |
| | 73 | |
| | 74 | static inline void xrep_failure(struct xfs_mount *mp) {} |
| | 75 | |
| | 76 | static inline xfs_extlen_t |
| | 77 | xrep_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__ */ |
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