| // 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); |
| bool xrep_will_attempt(struct xfs_scrub *sc); |
| void xrep_failure(struct xfs_mount *mp); |
| int xrep_roll_ag_trans(struct xfs_scrub *sc); |
| int xrep_roll_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); |
| |
| static inline int |
| xrep_trans_commit( |
| struct xfs_scrub *sc) |
| { |
| int error = xfs_trans_commit(sc->tp); |
| |
| sc->tp = NULL; |
| return error; |
| } |
| |
| struct xbitmap; |
| struct xagb_bitmap; |
| struct xfsb_bitmap; |
| |
| int xrep_fix_freelist(struct xfs_scrub *sc, int alloc_flags); |
| |
| 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); |
| |
| #ifdef CONFIG_XFS_QUOTA |
| void xrep_update_qflags(struct xfs_scrub *sc, unsigned int clear_flags, |
| unsigned int set_flags); |
| void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type); |
| int xrep_ino_dqattach(struct xfs_scrub *sc); |
| #else |
| # define xrep_force_quotacheck(sc, type) ((void)0) |
| # define xrep_ino_dqattach(sc) (0) |
| #endif /* CONFIG_XFS_QUOTA */ |
| |
| int xrep_setup_xfbtree(struct xfs_scrub *sc, const char *descr); |
| |
| int xrep_ino_ensure_extent_count(struct xfs_scrub *sc, int whichfork, |
| xfs_extnum_t nextents); |
| int xrep_reset_perag_resv(struct xfs_scrub *sc); |
| int xrep_bmap(struct xfs_scrub *sc, int whichfork, bool allow_unwritten); |
| int xrep_metadata_inode_forks(struct xfs_scrub *sc); |
| int xrep_setup_ag_rmapbt(struct xfs_scrub *sc); |
| int xrep_setup_ag_refcountbt(struct xfs_scrub *sc); |
| |
| /* Repair setup functions */ |
| int xrep_setup_ag_allocbt(struct xfs_scrub *sc); |
| |
| struct xfs_imap; |
| int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap); |
| |
| void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); |
| int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag, |
| struct xchk_ag *sa); |
| |
| /* Metadata revalidators */ |
| |
| int xrep_revalidate_allocbt(struct xfs_scrub *sc); |
| int xrep_revalidate_iallocbt(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); |
| int xrep_allocbt(struct xfs_scrub *sc); |
| int xrep_iallocbt(struct xfs_scrub *sc); |
| int xrep_rmapbt(struct xfs_scrub *sc); |
| int xrep_refcountbt(struct xfs_scrub *sc); |
| int xrep_inode(struct xfs_scrub *sc); |
| int xrep_bmap_data(struct xfs_scrub *sc); |
| int xrep_bmap_attr(struct xfs_scrub *sc); |
| int xrep_bmap_cow(struct xfs_scrub *sc); |
| int xrep_nlinks(struct xfs_scrub *sc); |
| int xrep_fscounters(struct xfs_scrub *sc); |
| |
| #ifdef CONFIG_XFS_RT |
| int xrep_rtbitmap(struct xfs_scrub *sc); |
| #else |
| # define xrep_rtbitmap xrep_notsupported |
| #endif /* CONFIG_XFS_RT */ |
| |
| #ifdef CONFIG_XFS_QUOTA |
| int xrep_quota(struct xfs_scrub *sc); |
| int xrep_quotacheck(struct xfs_scrub *sc); |
| #else |
| # define xrep_quota xrep_notsupported |
| # define xrep_quotacheck xrep_notsupported |
| #endif /* CONFIG_XFS_QUOTA */ |
| |
| int xrep_reinit_pagf(struct xfs_scrub *sc); |
| int xrep_reinit_pagi(struct xfs_scrub *sc); |
| |
| int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep, |
| struct xfs_trans **tpp); |
| void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp); |
| |
| #else |
| |
| #define xrep_ino_dqattach(sc) (0) |
| #define xrep_will_attempt(sc) (false) |
| |
| 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; |
| } |
| |
| static inline int |
| xrep_reset_perag_resv( |
| struct xfs_scrub *sc) |
| { |
| if (!(sc->flags & XREP_RESET_PERAG_RESV)) |
| return 0; |
| |
| ASSERT(0); |
| return -EOPNOTSUPP; |
| } |
| |
| /* repair setup functions for no-repair */ |
| static inline int |
| xrep_setup_nothing( |
| struct xfs_scrub *sc) |
| { |
| return 0; |
| } |
| #define xrep_setup_ag_allocbt xrep_setup_nothing |
| #define xrep_setup_ag_rmapbt xrep_setup_nothing |
| #define xrep_setup_ag_refcountbt xrep_setup_nothing |
| |
| #define xrep_setup_inode(sc, imap) ((void)0) |
| |
| #define xrep_revalidate_allocbt (NULL) |
| #define xrep_revalidate_iallocbt (NULL) |
| |
| #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 |
| #define xrep_allocbt xrep_notsupported |
| #define xrep_iallocbt xrep_notsupported |
| #define xrep_rmapbt xrep_notsupported |
| #define xrep_refcountbt xrep_notsupported |
| #define xrep_inode xrep_notsupported |
| #define xrep_bmap_data xrep_notsupported |
| #define xrep_bmap_attr xrep_notsupported |
| #define xrep_bmap_cow xrep_notsupported |
| #define xrep_rtbitmap xrep_notsupported |
| #define xrep_quota xrep_notsupported |
| #define xrep_quotacheck xrep_notsupported |
| #define xrep_nlinks xrep_notsupported |
| #define xrep_fscounters xrep_notsupported |
| |
| #endif /* CONFIG_XFS_ONLINE_REPAIR */ |
| |
| #endif /* __XFS_SCRUB_REPAIR_H__ */ |