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 /* in: maximum btree height */ 48 unsigned int maxlevels; 49 50 /* out: the highest btree block found and the tree height */ 51 xfs_agblock_t root; 52 unsigned int height; 53 }; 54 55 int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp, 56 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp); 57 void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type); 58 int xrep_ino_dqattach(struct xfs_scrub *sc); 59 60 /* Metadata repairers */ 61 62 int xrep_probe(struct xfs_scrub *sc); 63 int xrep_superblock(struct xfs_scrub *sc); 64 int xrep_agf(struct xfs_scrub *sc); 65 int xrep_agfl(struct xfs_scrub *sc); 66 int xrep_agi(struct xfs_scrub *sc); 67 68 #else 69 70 static inline int 71 xrep_attempt( 72 struct xfs_scrub *sc) 73 { 74 return -EOPNOTSUPP; 75 } 76 77 static inline void xrep_failure(struct xfs_mount *mp) {} 78 79 static inline xfs_extlen_t 80 xrep_calc_ag_resblks( 81 struct xfs_scrub *sc) 82 { 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