// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2018-2023 Oracle. All Rights Reserved. * Author: Darrick J. Wong <djwong@kernel.org> */ #ifndef __XFS_SCRUB_REPAIR_H__ #define __XFS_SCRUB_REPAIR_H__ #include "xfs_quota_defs.h" struct xchk_stats_run; static inline int xrep_notsupported(struct xfs_scrub *sc) { return -EOPNOTSUPP; } #ifdef CONFIG_XFS_ONLINE_REPAIR /* * This is the maximum number of deferred extent freeing item extents (EFIs) * that we'll attach to a transaction without rolling the transaction to avoid * overrunning a tr_itruncate reservation. */ #define XREP_MAX_ITRUNCATE_EFIS (128) /* Repair helpers */ int xrep_attempt(struct xfs_scrub *sc, struct xchk_stats_run *run); void xrep_failure(struct xfs_mount *mp); int xrep_roll_ag_trans(struct xfs_scrub *sc); int xrep_defer_finish(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); struct xbitmap; struct xagb_bitmap; int xrep_fix_freelist(struct xfs_scrub *sc, bool can_shrink); 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: maximum btree height */ unsigned int maxlevels; /* 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, xfs_dqtype_t type); 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_scrub *sc, struct xchk_stats_run *run) { return -EOPNOTSUPP; } static inline void xrep_failure(struct xfs_mount *mp) {} static inline xfs_extlen_t xrep_calc_ag_resblks( struct xfs_scrub *sc) { 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__ */