| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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 | 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, bool *fixed); |
| 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, struct xfs_owner_info *oinfo, |
| 25 | xfs_fsblock_t *fsbno, enum xfs_ag_resv_type resv); |
| 26 | int xrep_init_btblock(struct xfs_scrub *sc, xfs_fsblock_t fsb, |
| 27 | struct xfs_buf **bpp, xfs_btnum_t btnum, |
| 28 | const struct xfs_buf_ops *ops); |
| 29 | |
| 30 | struct xfs_bitmap; |
| 31 | |
| 32 | int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink); |
| 33 | int xrep_invalidate_blocks(struct xfs_scrub *sc, struct xfs_bitmap *btlist); |
| 34 | int xrep_reap_extents(struct xfs_scrub *sc, struct xfs_bitmap *exlist, |
| 35 | struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type); |
| 36 | |
| 37 | struct xrep_find_ag_btree { |
| 38 | /* 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 | |
| 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, uint dqtype); |
| 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 xrep_attempt( |
| 68 | struct xfs_inode *ip, |
| 69 | struct xfs_scrub *sc, |
| 70 | bool *fixed) |
| 71 | { |
| 72 | return -EOPNOTSUPP; |
| 73 | } |
| 74 | |
| 75 | static inline void xrep_failure(struct xfs_mount *mp) {} |
| 76 | |
| 77 | static inline xfs_extlen_t |
| 78 | xrep_calc_ag_resblks( |
| 79 | struct xfs_scrub *sc) |
| 80 | { |
| 81 | ASSERT(!(sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)); |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | #define xrep_probe xrep_notsupported |
| 86 | #define xrep_superblock xrep_notsupported |
| 87 | #define xrep_agf xrep_notsupported |
| 88 | #define xrep_agfl xrep_notsupported |
| 89 | #define xrep_agi xrep_notsupported |
| 90 | |
| 91 | #endif /* CONFIG_XFS_ONLINE_REPAIR */ |
| 92 | |
| 93 | #endif /* __XFS_SCRUB_REPAIR_H__ */ |