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 xfs_rtgroup; 12 struct xchk_stats_run; 13 14 static inline int xrep_notsupported(struct xfs_scrub *sc) 15 { 16 return -EOPNOTSUPP; 17 } 18 19 #ifdef CONFIG_XFS_ONLINE_REPAIR 20 21 /* 22 * This is the maximum number of deferred extent freeing item extents (EFIs) 23 * that we'll attach to a transaction without rolling the transaction to avoid 24 * overrunning a tr_itruncate reservation. 25 */ 26 #define XREP_MAX_ITRUNCATE_EFIS (128) 27 28 29 /* Repair helpers */ 30 31 int xrep_attempt(struct xfs_scrub *sc, struct xchk_stats_run *run); 32 bool xrep_will_attempt(struct xfs_scrub *sc); 33 void xrep_failure(struct xfs_mount *mp); 34 int xrep_roll_ag_trans(struct xfs_scrub *sc); 35 int xrep_roll_trans(struct xfs_scrub *sc); 36 int xrep_defer_finish(struct xfs_scrub *sc); 37 bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks, 38 enum xfs_ag_resv_type type); 39 xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc); 40 41 static inline int 42 xrep_trans_commit( 43 struct xfs_scrub *sc) 44 { 45 int error = xfs_trans_commit(sc->tp); 46 47 sc->tp = NULL; 48 return error; 49 } 50 51 struct xbitmap; 52 struct xagb_bitmap; 53 struct xrgb_bitmap; 54 struct xfsb_bitmap; 55 struct xrtb_bitmap; 56 57 int xrep_fix_freelist(struct xfs_scrub *sc, int alloc_flags); 58 59 struct xrep_find_ag_btree { 60 /* in: rmap owner of the btree we're looking for */ 61 uint64_t rmap_owner; 62 63 /* in: buffer ops */ 64 const struct xfs_buf_ops *buf_ops; 65 66 /* in: maximum btree height */ 67 unsigned int maxlevels; 68 69 /* out: the highest btree block found and the tree height */ 70 xfs_agblock_t root; 71 unsigned int height; 72 }; 73 74 int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp, 75 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp); 76 77 #ifdef CONFIG_XFS_QUOTA 78 void xrep_update_qflags(struct xfs_scrub *sc, unsigned int clear_flags, 79 unsigned int set_flags); 80 void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type); 81 int xrep_ino_dqattach(struct xfs_scrub *sc); 82 #else 83 # define xrep_force_quotacheck(sc, type) ((void)0) 84 # define xrep_ino_dqattach(sc) (0) 85 #endif /* CONFIG_XFS_QUOTA */ 86 87 int xrep_setup_xfbtree(struct xfs_scrub *sc, const char *descr); 88 89 int xrep_ino_ensure_extent_count(struct xfs_scrub *sc, int whichfork, 90 xfs_extnum_t nextents); 91 int xrep_reset_perag_resv(struct xfs_scrub *sc); 92 int xrep_bmap(struct xfs_scrub *sc, int whichfork, bool allow_unwritten); 93 int xrep_metadata_inode_forks(struct xfs_scrub *sc); 94 int xrep_setup_ag_rmapbt(struct xfs_scrub *sc); 95 int xrep_setup_ag_refcountbt(struct xfs_scrub *sc); 96 int xrep_setup_xattr(struct xfs_scrub *sc); 97 int xrep_setup_directory(struct xfs_scrub *sc); 98 int xrep_setup_parent(struct xfs_scrub *sc); 99 int xrep_setup_nlinks(struct xfs_scrub *sc); 100 int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *resblks); 101 int xrep_setup_dirtree(struct xfs_scrub *sc); 102 int xrep_setup_rtrmapbt(struct xfs_scrub *sc); 103 int xrep_setup_rtrefcountbt(struct xfs_scrub *sc); 104 105 /* Repair setup functions */ 106 int xrep_setup_ag_allocbt(struct xfs_scrub *sc); 107 108 struct xfs_imap; 109 int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap); 110 111 void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); 112 int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag, 113 struct xchk_ag *sa); 114 #ifdef CONFIG_XFS_RT 115 int xrep_rtgroup_init(struct xfs_scrub *sc, struct xfs_rtgroup *rtg, 116 struct xchk_rt *sr, unsigned int rtglock_flags); 117 void xrep_rtgroup_btcur_init(struct xfs_scrub *sc, struct xchk_rt *sr); 118 int xrep_require_rtext_inuse(struct xfs_scrub *sc, xfs_rgblock_t rgbno, 119 xfs_filblks_t len); 120 xfs_extlen_t xrep_calc_rtgroup_resblks(struct xfs_scrub *sc); 121 #else 122 # define xrep_rtgroup_init(sc, rtg, sr, lockflags) (-ENOSYS) 123 # define xrep_calc_rtgroup_resblks(sc) (0) 124 #endif /* CONFIG_XFS_RT */ 125 126 int xrep_check_ino_btree_mapping(struct xfs_scrub *sc, 127 const struct xfs_rmap_irec *rec); 128 129 /* Metadata revalidators */ 130 131 int xrep_revalidate_allocbt(struct xfs_scrub *sc); 132 int xrep_revalidate_iallocbt(struct xfs_scrub *sc); 133 134 /* Metadata repairers */ 135 136 int xrep_probe(struct xfs_scrub *sc); 137 int xrep_superblock(struct xfs_scrub *sc); 138 int xrep_agf(struct xfs_scrub *sc); 139 int xrep_agfl(struct xfs_scrub *sc); 140 int xrep_agi(struct xfs_scrub *sc); 141 int xrep_allocbt(struct xfs_scrub *sc); 142 int xrep_iallocbt(struct xfs_scrub *sc); 143 int xrep_rmapbt(struct xfs_scrub *sc); 144 int xrep_refcountbt(struct xfs_scrub *sc); 145 int xrep_inode(struct xfs_scrub *sc); 146 int xrep_bmap_data(struct xfs_scrub *sc); 147 int xrep_bmap_attr(struct xfs_scrub *sc); 148 int xrep_bmap_cow(struct xfs_scrub *sc); 149 int xrep_nlinks(struct xfs_scrub *sc); 150 int xrep_fscounters(struct xfs_scrub *sc); 151 int xrep_xattr(struct xfs_scrub *sc); 152 int xrep_directory(struct xfs_scrub *sc); 153 int xrep_parent(struct xfs_scrub *sc); 154 int xrep_symlink(struct xfs_scrub *sc); 155 int xrep_dirtree(struct xfs_scrub *sc); 156 int xrep_metapath(struct xfs_scrub *sc); 157 158 #ifdef CONFIG_XFS_RT 159 int xrep_rtbitmap(struct xfs_scrub *sc); 160 int xrep_rtsummary(struct xfs_scrub *sc); 161 int xrep_rgsuperblock(struct xfs_scrub *sc); 162 int xrep_rtrmapbt(struct xfs_scrub *sc); 163 int xrep_rtrefcountbt(struct xfs_scrub *sc); 164 #else 165 # define xrep_rtbitmap xrep_notsupported 166 # define xrep_rtsummary xrep_notsupported 167 # define xrep_rgsuperblock xrep_notsupported 168 # define xrep_rtrmapbt xrep_notsupported 169 # define xrep_rtrefcountbt xrep_notsupported 170 #endif /* CONFIG_XFS_RT */ 171 172 #ifdef CONFIG_XFS_QUOTA 173 int xrep_quota(struct xfs_scrub *sc); 174 int xrep_quotacheck(struct xfs_scrub *sc); 175 #else 176 # define xrep_quota xrep_notsupported 177 # define xrep_quotacheck xrep_notsupported 178 #endif /* CONFIG_XFS_QUOTA */ 179 180 int xrep_reinit_pagf(struct xfs_scrub *sc); 181 int xrep_reinit_pagi(struct xfs_scrub *sc); 182 183 int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep, 184 struct xfs_trans **tpp); 185 void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp); 186 187 bool xrep_buf_verify_struct(struct xfs_buf *bp, const struct xfs_buf_ops *ops); 188 void xrep_inode_set_nblocks(struct xfs_scrub *sc, int64_t new_blocks); 189 int xrep_reset_metafile_resv(struct xfs_scrub *sc); 190 191 #else 192 193 #define xrep_ino_dqattach(sc) (0) 194 #define xrep_will_attempt(sc) (false) 195 196 static inline int 197 xrep_attempt( 198 struct xfs_scrub *sc, 199 struct xchk_stats_run *run) 200 { 201 return -EOPNOTSUPP; 202 } 203 204 static inline void xrep_failure(struct xfs_mount *mp) {} 205 206 static inline xfs_extlen_t 207 xrep_calc_ag_resblks( 208 struct xfs_scrub *sc) 209 { 210 return 0; 211 } 212 213 #define xrep_calc_rtgroup_resblks xrep_calc_ag_resblks 214 215 static inline int 216 xrep_reset_perag_resv( 217 struct xfs_scrub *sc) 218 { 219 if (!(sc->flags & XREP_RESET_PERAG_RESV)) 220 return 0; 221 222 ASSERT(0); 223 return -EOPNOTSUPP; 224 } 225 226 /* repair setup functions for no-repair */ 227 static inline int 228 xrep_setup_nothing( 229 struct xfs_scrub *sc) 230 { 231 return 0; 232 } 233 #define xrep_setup_ag_allocbt xrep_setup_nothing 234 #define xrep_setup_ag_rmapbt xrep_setup_nothing 235 #define xrep_setup_ag_refcountbt xrep_setup_nothing 236 #define xrep_setup_xattr xrep_setup_nothing 237 #define xrep_setup_directory xrep_setup_nothing 238 #define xrep_setup_parent xrep_setup_nothing 239 #define xrep_setup_nlinks xrep_setup_nothing 240 #define xrep_setup_dirtree xrep_setup_nothing 241 #define xrep_setup_metapath xrep_setup_nothing 242 #define xrep_setup_rtrmapbt xrep_setup_nothing 243 #define xrep_setup_rtrefcountbt xrep_setup_nothing 244 245 #define xrep_setup_inode(sc, imap) ((void)0) 246 247 static inline int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *x) 248 { 249 return 0; 250 } 251 252 #define xrep_revalidate_allocbt (NULL) 253 #define xrep_revalidate_iallocbt (NULL) 254 255 #define xrep_probe xrep_notsupported 256 #define xrep_superblock xrep_notsupported 257 #define xrep_agf xrep_notsupported 258 #define xrep_agfl xrep_notsupported 259 #define xrep_agi xrep_notsupported 260 #define xrep_allocbt xrep_notsupported 261 #define xrep_iallocbt xrep_notsupported 262 #define xrep_rmapbt xrep_notsupported 263 #define xrep_refcountbt xrep_notsupported 264 #define xrep_inode xrep_notsupported 265 #define xrep_bmap_data xrep_notsupported 266 #define xrep_bmap_attr xrep_notsupported 267 #define xrep_bmap_cow xrep_notsupported 268 #define xrep_rtbitmap xrep_notsupported 269 #define xrep_quota xrep_notsupported 270 #define xrep_quotacheck xrep_notsupported 271 #define xrep_nlinks xrep_notsupported 272 #define xrep_fscounters xrep_notsupported 273 #define xrep_rtsummary xrep_notsupported 274 #define xrep_xattr xrep_notsupported 275 #define xrep_directory xrep_notsupported 276 #define xrep_parent xrep_notsupported 277 #define xrep_symlink xrep_notsupported 278 #define xrep_dirtree xrep_notsupported 279 #define xrep_metapath xrep_notsupported 280 #define xrep_rgsuperblock xrep_notsupported 281 #define xrep_rtrmapbt xrep_notsupported 282 #define xrep_rtrefcountbt xrep_notsupported 283 284 #endif /* CONFIG_XFS_ONLINE_REPAIR */ 285 286 #endif /* __XFS_SCRUB_REPAIR_H__ */ 287