1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2018-2023 Oracle. All Rights Reserved. 4 * Author: Darrick J. Wong <djwong@kernel.org> 5 */ 6 #ifndef __XFS_SCRUB_REPAIR_H__ 7 #define __XFS_SCRUB_REPAIR_H__ 8 9 #include "xfs_quota_defs.h" 10 11 struct xchk_stats_run; 12 13 static inline int xrep_notsupported(struct xfs_scrub *sc) 14 { 15 return -EOPNOTSUPP; 16 } 17 18 #ifdef CONFIG_XFS_ONLINE_REPAIR 19 20 /* 21 * This is the maximum number of deferred extent freeing item extents (EFIs) 22 * that we'll attach to a transaction without rolling the transaction to avoid 23 * overrunning a tr_itruncate reservation. 24 */ 25 #define XREP_MAX_ITRUNCATE_EFIS (128) 26 27 28 /* Repair helpers */ 29 30 int xrep_attempt(struct xfs_scrub *sc, struct xchk_stats_run *run); 31 bool xrep_will_attempt(struct xfs_scrub *sc); 32 void xrep_failure(struct xfs_mount *mp); 33 int xrep_roll_ag_trans(struct xfs_scrub *sc); 34 int xrep_roll_trans(struct xfs_scrub *sc); 35 int xrep_defer_finish(struct xfs_scrub *sc); 36 bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks, 37 enum xfs_ag_resv_type type); 38 xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc); 39 40 static inline int 41 xrep_trans_commit( 42 struct xfs_scrub *sc) 43 { 44 int error = xfs_trans_commit(sc->tp); 45 46 sc->tp = NULL; 47 return error; 48 } 49 50 struct xbitmap; 51 struct xagb_bitmap; 52 struct xfsb_bitmap; 53 54 int xrep_fix_freelist(struct xfs_scrub *sc, int alloc_flags); 55 56 struct xrep_find_ag_btree { 57 /* in: rmap owner of the btree we're looking for */ 58 uint64_t rmap_owner; 59 60 /* in: buffer ops */ 61 const struct xfs_buf_ops *buf_ops; 62 63 /* in: maximum btree height */ 64 unsigned int maxlevels; 65 66 /* out: the highest btree block found and the tree height */ 67 xfs_agblock_t root; 68 unsigned int height; 69 }; 70 71 int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp, 72 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp); 73 74 #ifdef CONFIG_XFS_QUOTA 75 void xrep_update_qflags(struct xfs_scrub *sc, unsigned int clear_flags, 76 unsigned int set_flags); 77 void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type); 78 int xrep_ino_dqattach(struct xfs_scrub *sc); 79 #else 80 # define xrep_force_quotacheck(sc, type) ((void)0) 81 # define xrep_ino_dqattach(sc) (0) 82 #endif /* CONFIG_XFS_QUOTA */ 83 84 int xrep_setup_xfbtree(struct xfs_scrub *sc, const char *descr); 85 86 int xrep_ino_ensure_extent_count(struct xfs_scrub *sc, int whichfork, 87 xfs_extnum_t nextents); 88 int xrep_reset_perag_resv(struct xfs_scrub *sc); 89 int xrep_bmap(struct xfs_scrub *sc, int whichfork, bool allow_unwritten); 90 int xrep_metadata_inode_forks(struct xfs_scrub *sc); 91 int xrep_setup_ag_rmapbt(struct xfs_scrub *sc); 92 int xrep_setup_ag_refcountbt(struct xfs_scrub *sc); 93 94 /* Repair setup functions */ 95 int xrep_setup_ag_allocbt(struct xfs_scrub *sc); 96 97 struct xfs_imap; 98 int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap); 99 100 void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); 101 int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag, 102 struct xchk_ag *sa); 103 104 /* Metadata revalidators */ 105 106 int xrep_revalidate_allocbt(struct xfs_scrub *sc); 107 int xrep_revalidate_iallocbt(struct xfs_scrub *sc); 108 109 /* Metadata repairers */ 110 111 int xrep_probe(struct xfs_scrub *sc); 112 int xrep_superblock(struct xfs_scrub *sc); 113 int xrep_agf(struct xfs_scrub *sc); 114 int xrep_agfl(struct xfs_scrub *sc); 115 int xrep_agi(struct xfs_scrub *sc); 116 int xrep_allocbt(struct xfs_scrub *sc); 117 int xrep_iallocbt(struct xfs_scrub *sc); 118 int xrep_rmapbt(struct xfs_scrub *sc); 119 int xrep_refcountbt(struct xfs_scrub *sc); 120 int xrep_inode(struct xfs_scrub *sc); 121 int xrep_bmap_data(struct xfs_scrub *sc); 122 int xrep_bmap_attr(struct xfs_scrub *sc); 123 int xrep_bmap_cow(struct xfs_scrub *sc); 124 int xrep_nlinks(struct xfs_scrub *sc); 125 int xrep_fscounters(struct xfs_scrub *sc); 126 127 #ifdef CONFIG_XFS_RT 128 int xrep_rtbitmap(struct xfs_scrub *sc); 129 #else 130 # define xrep_rtbitmap xrep_notsupported 131 #endif /* CONFIG_XFS_RT */ 132 133 #ifdef CONFIG_XFS_QUOTA 134 int xrep_quota(struct xfs_scrub *sc); 135 int xrep_quotacheck(struct xfs_scrub *sc); 136 #else 137 # define xrep_quota xrep_notsupported 138 # define xrep_quotacheck xrep_notsupported 139 #endif /* CONFIG_XFS_QUOTA */ 140 141 int xrep_reinit_pagf(struct xfs_scrub *sc); 142 int xrep_reinit_pagi(struct xfs_scrub *sc); 143 144 int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep, 145 struct xfs_trans **tpp); 146 void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp); 147 148 #else 149 150 #define xrep_ino_dqattach(sc) (0) 151 #define xrep_will_attempt(sc) (false) 152 153 static inline int 154 xrep_attempt( 155 struct xfs_scrub *sc, 156 struct xchk_stats_run *run) 157 { 158 return -EOPNOTSUPP; 159 } 160 161 static inline void xrep_failure(struct xfs_mount *mp) {} 162 163 static inline xfs_extlen_t 164 xrep_calc_ag_resblks( 165 struct xfs_scrub *sc) 166 { 167 return 0; 168 } 169 170 static inline int 171 xrep_reset_perag_resv( 172 struct xfs_scrub *sc) 173 { 174 if (!(sc->flags & XREP_RESET_PERAG_RESV)) 175 return 0; 176 177 ASSERT(0); 178 return -EOPNOTSUPP; 179 } 180 181 /* repair setup functions for no-repair */ 182 static inline int 183 xrep_setup_nothing( 184 struct xfs_scrub *sc) 185 { 186 return 0; 187 } 188 #define xrep_setup_ag_allocbt xrep_setup_nothing 189 #define xrep_setup_ag_rmapbt xrep_setup_nothing 190 #define xrep_setup_ag_refcountbt xrep_setup_nothing 191 192 #define xrep_setup_inode(sc, imap) ((void)0) 193 194 #define xrep_revalidate_allocbt (NULL) 195 #define xrep_revalidate_iallocbt (NULL) 196 197 #define xrep_probe xrep_notsupported 198 #define xrep_superblock xrep_notsupported 199 #define xrep_agf xrep_notsupported 200 #define xrep_agfl xrep_notsupported 201 #define xrep_agi xrep_notsupported 202 #define xrep_allocbt xrep_notsupported 203 #define xrep_iallocbt xrep_notsupported 204 #define xrep_rmapbt xrep_notsupported 205 #define xrep_refcountbt xrep_notsupported 206 #define xrep_inode xrep_notsupported 207 #define xrep_bmap_data xrep_notsupported 208 #define xrep_bmap_attr xrep_notsupported 209 #define xrep_bmap_cow xrep_notsupported 210 #define xrep_rtbitmap xrep_notsupported 211 #define xrep_quota xrep_notsupported 212 #define xrep_quotacheck xrep_notsupported 213 #define xrep_nlinks xrep_notsupported 214 #define xrep_fscounters xrep_notsupported 215 216 #endif /* CONFIG_XFS_ONLINE_REPAIR */ 217 218 #endif /* __XFS_SCRUB_REPAIR_H__ */ 219