| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2018 Oracle. All Rights Reserved. |
| * Author: Darrick J. Wong <darrick.wong@oracle.com> |
| */ |
| #ifndef __XFS_SCRUB_REPAIR_H__ |
| #define __XFS_SCRUB_REPAIR_H__ |
| |
| static inline int xrep_notsupported(struct xfs_scrub *sc) |
| { |
| return -EOPNOTSUPP; |
| } |
| |
| #ifdef CONFIG_XFS_ONLINE_REPAIR |
| |
| /* Repair helpers */ |
| |
| int xrep_attempt(struct xfs_inode *ip, struct xfs_scrub *sc, bool *fixed); |
| void xrep_failure(struct xfs_mount *mp); |
| int xrep_roll_ag_trans(struct xfs_scrub *sc); |
| bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks, |
| enum xfs_ag_resv_type type); |
| xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc); |
| int xrep_alloc_ag_block(struct xfs_scrub *sc, struct xfs_owner_info *oinfo, |
| xfs_fsblock_t *fsbno, enum xfs_ag_resv_type resv); |
| int xrep_init_btblock(struct xfs_scrub *sc, xfs_fsblock_t fsb, |
| struct xfs_buf **bpp, xfs_btnum_t btnum, |
| const struct xfs_buf_ops *ops); |
| |
| struct xfs_bitmap; |
| |
| int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink); |
| int xrep_invalidate_blocks(struct xfs_scrub *sc, struct xfs_bitmap *btlist); |
| int xrep_reap_extents(struct xfs_scrub *sc, struct xfs_bitmap *exlist, |
| struct xfs_owner_info *oinfo, enum xfs_ag_resv_type type); |
| |
| struct xrep_find_ag_btree { |
| /* in: rmap owner of the btree we're looking for */ |
| uint64_t rmap_owner; |
| |
| /* in: buffer ops */ |
| const struct xfs_buf_ops *buf_ops; |
| |
| /* in: magic number of the btree */ |
| uint32_t magic; |
| |
| /* out: the highest btree block found and the tree height */ |
| xfs_agblock_t root; |
| unsigned int height; |
| }; |
| |
| int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp, |
| struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp); |
| void xrep_force_quotacheck(struct xfs_scrub *sc, uint dqtype); |
| int xrep_ino_dqattach(struct xfs_scrub *sc); |
| |
| /* Metadata repairers */ |
| |
| int xrep_probe(struct xfs_scrub *sc); |
| int xrep_superblock(struct xfs_scrub *sc); |
| int xrep_agf(struct xfs_scrub *sc); |
| int xrep_agfl(struct xfs_scrub *sc); |
| int xrep_agi(struct xfs_scrub *sc); |
| |
| #else |
| |
| static inline int xrep_attempt( |
| struct xfs_inode *ip, |
| struct xfs_scrub *sc, |
| bool *fixed) |
| { |
| return -EOPNOTSUPP; |
| } |
| |
| static inline void xrep_failure(struct xfs_mount *mp) {} |
| |
| static inline xfs_extlen_t |
| xrep_calc_ag_resblks( |
| struct xfs_scrub *sc) |
| { |
| ASSERT(!(sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)); |
| return 0; |
| } |
| |
| #define xrep_probe xrep_notsupported |
| #define xrep_superblock xrep_notsupported |
| #define xrep_agf xrep_notsupported |
| #define xrep_agfl xrep_notsupported |
| #define xrep_agi xrep_notsupported |
| |
| #endif /* CONFIG_XFS_ONLINE_REPAIR */ |
| |
| #endif /* __XFS_SCRUB_REPAIR_H__ */ |