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 int xrep_setup_xattr(struct xfs_scrub *sc); 94 int xrep_setup_directory(struct xfs_scrub *sc); 95 int xrep_setup_parent(struct xfs_scrub *sc); 96 int xrep_setup_nlinks(struct xfs_scrub *sc); 97 int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *resblks); 98 int xrep_setup_dirtree(struct xfs_scrub *sc); 99 100 /* Repair setup functions */ 101 int xrep_setup_ag_allocbt(struct xfs_scrub *sc); 102 103 struct xfs_imap; 104 int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap); 105 106 void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); 107 int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag, 108 struct xchk_ag *sa); 109 110 /* Metadata revalidators */ 111 112 int xrep_revalidate_allocbt(struct xfs_scrub *sc); 113 int xrep_revalidate_iallocbt(struct xfs_scrub *sc); 114 115 /* Metadata repairers */ 116 117 int xrep_probe(struct xfs_scrub *sc); 118 int xrep_superblock(struct xfs_scrub *sc); 119 int xrep_agf(struct xfs_scrub *sc); 120 int xrep_agfl(struct xfs_scrub *sc); 121 int xrep_agi(struct xfs_scrub *sc); 122 int xrep_allocbt(struct xfs_scrub *sc); 123 int xrep_iallocbt(struct xfs_scrub *sc); 124 int xrep_rmapbt(struct xfs_scrub *sc); 125 int xrep_refcountbt(struct xfs_scrub *sc); 126 int xrep_inode(struct xfs_scrub *sc); 127 int xrep_bmap_data(struct xfs_scrub *sc); 128 int xrep_bmap_attr(struct xfs_scrub *sc); 129 int xrep_bmap_cow(struct xfs_scrub *sc); 130 int xrep_nlinks(struct xfs_scrub *sc); 131 int xrep_fscounters(struct xfs_scrub *sc); 132 int xrep_xattr(struct xfs_scrub *sc); 133 int xrep_directory(struct xfs_scrub *sc); 134 int xrep_parent(struct xfs_scrub *sc); 135 int xrep_symlink(struct xfs_scrub *sc); 136 int xrep_dirtree(struct xfs_scrub *sc); 137 138 #ifdef CONFIG_XFS_RT 139 int xrep_rtbitmap(struct xfs_scrub *sc); 140 int xrep_rtsummary(struct xfs_scrub *sc); 141 #else 142 # define xrep_rtbitmap xrep_notsupported 143 # define xrep_rtsummary xrep_notsupported 144 #endif /* CONFIG_XFS_RT */ 145 146 #ifdef CONFIG_XFS_QUOTA 147 int xrep_quota(struct xfs_scrub *sc); 148 int xrep_quotacheck(struct xfs_scrub *sc); 149 #else 150 # define xrep_quota xrep_notsupported 151 # define xrep_quotacheck xrep_notsupported 152 #endif /* CONFIG_XFS_QUOTA */ 153 154 int xrep_reinit_pagf(struct xfs_scrub *sc); 155 int xrep_reinit_pagi(struct xfs_scrub *sc); 156 157 int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep, 158 struct xfs_trans **tpp); 159 void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp); 160 161 bool xrep_buf_verify_struct(struct xfs_buf *bp, const struct xfs_buf_ops *ops); 162 163 #else 164 165 #define xrep_ino_dqattach(sc) (0) 166 #define xrep_will_attempt(sc) (false) 167 168 static inline int 169 xrep_attempt( 170 struct xfs_scrub *sc, 171 struct xchk_stats_run *run) 172 { 173 return -EOPNOTSUPP; 174 } 175 176 static inline void xrep_failure(struct xfs_mount *mp) {} 177 178 static inline xfs_extlen_t 179 xrep_calc_ag_resblks( 180 struct xfs_scrub *sc) 181 { 182 return 0; 183 } 184 185 static inline int 186 xrep_reset_perag_resv( 187 struct xfs_scrub *sc) 188 { 189 if (!(sc->flags & XREP_RESET_PERAG_RESV)) 190 return 0; 191 192 ASSERT(0); 193 return -EOPNOTSUPP; 194 } 195 196 /* repair setup functions for no-repair */ 197 static inline int 198 xrep_setup_nothing( 199 struct xfs_scrub *sc) 200 { 201 return 0; 202 } 203 #define xrep_setup_ag_allocbt xrep_setup_nothing 204 #define xrep_setup_ag_rmapbt xrep_setup_nothing 205 #define xrep_setup_ag_refcountbt xrep_setup_nothing 206 #define xrep_setup_xattr xrep_setup_nothing 207 #define xrep_setup_directory xrep_setup_nothing 208 #define xrep_setup_parent xrep_setup_nothing 209 #define xrep_setup_nlinks xrep_setup_nothing 210 #define xrep_setup_dirtree xrep_setup_nothing 211 212 #define xrep_setup_inode(sc, imap) ((void)0) 213 214 static inline int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *x) 215 { 216 return 0; 217 } 218 219 #define xrep_revalidate_allocbt (NULL) 220 #define xrep_revalidate_iallocbt (NULL) 221 222 #define xrep_probe xrep_notsupported 223 #define xrep_superblock xrep_notsupported 224 #define xrep_agf xrep_notsupported 225 #define xrep_agfl xrep_notsupported 226 #define xrep_agi xrep_notsupported 227 #define xrep_allocbt xrep_notsupported 228 #define xrep_iallocbt xrep_notsupported 229 #define xrep_rmapbt xrep_notsupported 230 #define xrep_refcountbt xrep_notsupported 231 #define xrep_inode xrep_notsupported 232 #define xrep_bmap_data xrep_notsupported 233 #define xrep_bmap_attr xrep_notsupported 234 #define xrep_bmap_cow xrep_notsupported 235 #define xrep_rtbitmap xrep_notsupported 236 #define xrep_quota xrep_notsupported 237 #define xrep_quotacheck xrep_notsupported 238 #define xrep_nlinks xrep_notsupported 239 #define xrep_fscounters xrep_notsupported 240 #define xrep_rtsummary xrep_notsupported 241 #define xrep_xattr xrep_notsupported 242 #define xrep_directory xrep_notsupported 243 #define xrep_parent xrep_notsupported 244 #define xrep_symlink xrep_notsupported 245 #define xrep_dirtree xrep_notsupported 246 247 #endif /* CONFIG_XFS_ONLINE_REPAIR */ 248 249 #endif /* __XFS_SCRUB_REPAIR_H__ */ 250