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, 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 /* in: magic number of the btree */ 46 uint32_t magic; 47 48 /* out: the highest btree block found and the tree height */ 49 xfs_agblock_t root; 50 unsigned int height; 51 }; 52 53 int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp, 54 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp); 55 void xrep_force_quotacheck(struct xfs_scrub *sc, uint dqtype); 56 int xrep_ino_dqattach(struct xfs_scrub *sc); 57 58 /* Metadata repairers */ 59 60 int xrep_probe(struct xfs_scrub *sc); 61 int xrep_superblock(struct xfs_scrub *sc); 62 int xrep_agf(struct xfs_scrub *sc); 63 int xrep_agfl(struct xfs_scrub *sc); 64 int xrep_agi(struct xfs_scrub *sc); 65 66 #else 67 68 static inline int xrep_attempt( 69 struct xfs_inode *ip, 70 struct xfs_scrub *sc, 71 bool *fixed) 72 { 73 return -EOPNOTSUPP; 74 } 75 76 static inline void xrep_failure(struct xfs_mount *mp) {} 77 78 static inline xfs_extlen_t 79 xrep_calc_ag_resblks( 80 struct xfs_scrub *sc) 81 { 82 ASSERT(!(sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)); 83 return 0; 84 } 85 86 #define xrep_probe xrep_notsupported 87 #define xrep_superblock xrep_notsupported 88 #define xrep_agf xrep_notsupported 89 #define xrep_agfl xrep_notsupported 90 #define xrep_agi xrep_notsupported 91 92 #endif /* CONFIG_XFS_ONLINE_REPAIR */ 93 94 #endif /* __XFS_SCRUB_REPAIR_H__ */ 95