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__ */ 94