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 /* Repair helpers */ 22 23 int xrep_attempt(struct xfs_scrub *sc, struct xchk_stats_run *run); 24 bool xrep_will_attempt(struct xfs_scrub *sc); 25 void xrep_failure(struct xfs_mount *mp); 26 int xrep_roll_ag_trans(struct xfs_scrub *sc); 27 int xrep_roll_trans(struct xfs_scrub *sc); 28 int xrep_defer_finish(struct xfs_scrub *sc); 29 bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks, 30 enum xfs_ag_resv_type type); 31 xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc); 32 33 static inline int 34 xrep_trans_commit( 35 struct xfs_scrub *sc) 36 { 37 int error = xfs_trans_commit(sc->tp); 38 39 sc->tp = NULL; 40 return error; 41 } 42 43 struct xbitmap; 44 struct xagb_bitmap; 45 struct xrgb_bitmap; 46 struct xfsb_bitmap; 47 struct xrtb_bitmap; 48 49 int xrep_fix_freelist(struct xfs_scrub *sc, int alloc_flags); 50 51 struct xrep_find_ag_btree { 52 /* in: rmap owner of the btree we're looking for */ 53 uint64_t rmap_owner; 54 55 /* in: buffer ops */ 56 const struct xfs_buf_ops *buf_ops; 57 58 /* in: maximum btree height */ 59 unsigned int maxlevels; 60 61 /* out: the highest btree block found and the tree height */ 62 xfs_agblock_t root; 63 unsigned int height; 64 }; 65 66 int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp, 67 struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp); 68 69 #ifdef CONFIG_XFS_QUOTA 70 void xrep_update_qflags(struct xfs_scrub *sc, unsigned int clear_flags, 71 unsigned int set_flags); 72 void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type); 73 int xrep_ino_dqattach(struct xfs_scrub *sc); 74 #else 75 # define xrep_force_quotacheck(sc, type) ((void)0) 76 # define xrep_ino_dqattach(sc) (0) 77 #endif /* CONFIG_XFS_QUOTA */ 78 79 int xrep_setup_xfbtree(struct xfs_scrub *sc, const char *descr); 80 81 int xrep_ino_ensure_extent_count(struct xfs_scrub *sc, int whichfork, 82 xfs_extnum_t nextents); 83 int xrep_reset_perag_resv(struct xfs_scrub *sc); 84 int xrep_bmap(struct xfs_scrub *sc, int whichfork, bool allow_unwritten); 85 int xrep_metadata_inode_forks(struct xfs_scrub *sc); 86 int xrep_setup_ag_rmapbt(struct xfs_scrub *sc); 87 int xrep_setup_ag_refcountbt(struct xfs_scrub *sc); 88 int xrep_setup_xattr(struct xfs_scrub *sc); 89 int xrep_setup_directory(struct xfs_scrub *sc); 90 int xrep_setup_parent(struct xfs_scrub *sc); 91 int xrep_setup_nlinks(struct xfs_scrub *sc); 92 int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *resblks); 93 int xrep_setup_dirtree(struct xfs_scrub *sc); 94 int xrep_setup_rtrmapbt(struct xfs_scrub *sc); 95 int xrep_setup_rtrefcountbt(struct xfs_scrub *sc); 96 97 /* Repair setup functions */ 98 int xrep_setup_ag_allocbt(struct xfs_scrub *sc); 99 100 struct xfs_imap; 101 int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap); 102 103 void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); 104 int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag, 105 struct xchk_ag *sa); 106 #ifdef CONFIG_XFS_RT 107 int xrep_rtgroup_init(struct xfs_scrub *sc, struct xfs_rtgroup *rtg, 108 struct xchk_rt *sr, unsigned int rtglock_flags); 109 void xrep_rtgroup_btcur_init(struct xfs_scrub *sc, struct xchk_rt *sr); 110 int xrep_require_rtext_inuse(struct xfs_scrub *sc, xfs_rgblock_t rgbno, 111 xfs_filblks_t len); 112 xfs_extlen_t xrep_calc_rtgroup_resblks(struct xfs_scrub *sc); 113 #else 114 # define xrep_rtgroup_init(sc, rtg, sr, lockflags) (-ENOSYS) 115 # define xrep_calc_rtgroup_resblks(sc) (0) 116 #endif /* CONFIG_XFS_RT */ 117 118 int xrep_check_ino_btree_mapping(struct xfs_scrub *sc, 119 const struct xfs_rmap_irec *rec); 120 121 /* Metadata revalidators */ 122 123 int xrep_revalidate_allocbt(struct xfs_scrub *sc); 124 int xrep_revalidate_iallocbt(struct xfs_scrub *sc); 125 126 /* Metadata repairers */ 127 128 int xrep_probe(struct xfs_scrub *sc); 129 int xrep_superblock(struct xfs_scrub *sc); 130 int xrep_agf(struct xfs_scrub *sc); 131 int xrep_agfl(struct xfs_scrub *sc); 132 int xrep_agi(struct xfs_scrub *sc); 133 int xrep_allocbt(struct xfs_scrub *sc); 134 int xrep_iallocbt(struct xfs_scrub *sc); 135 int xrep_rmapbt(struct xfs_scrub *sc); 136 int xrep_refcountbt(struct xfs_scrub *sc); 137 int xrep_inode(struct xfs_scrub *sc); 138 int xrep_bmap_data(struct xfs_scrub *sc); 139 int xrep_bmap_attr(struct xfs_scrub *sc); 140 int xrep_bmap_cow(struct xfs_scrub *sc); 141 int xrep_nlinks(struct xfs_scrub *sc); 142 int xrep_fscounters(struct xfs_scrub *sc); 143 int xrep_xattr(struct xfs_scrub *sc); 144 int xrep_directory(struct xfs_scrub *sc); 145 int xrep_parent(struct xfs_scrub *sc); 146 int xrep_symlink(struct xfs_scrub *sc); 147 int xrep_dirtree(struct xfs_scrub *sc); 148 int xrep_metapath(struct xfs_scrub *sc); 149 150 #ifdef CONFIG_XFS_RT 151 int xrep_rtbitmap(struct xfs_scrub *sc); 152 int xrep_rtsummary(struct xfs_scrub *sc); 153 int xrep_rgsuperblock(struct xfs_scrub *sc); 154 int xrep_rtrmapbt(struct xfs_scrub *sc); 155 int xrep_rtrefcountbt(struct xfs_scrub *sc); 156 #else 157 # define xrep_rtbitmap xrep_notsupported 158 # define xrep_rtsummary xrep_notsupported 159 # define xrep_rgsuperblock xrep_notsupported 160 # define xrep_rtrmapbt xrep_notsupported 161 # define xrep_rtrefcountbt xrep_notsupported 162 #endif /* CONFIG_XFS_RT */ 163 164 #ifdef CONFIG_XFS_QUOTA 165 int xrep_quota(struct xfs_scrub *sc); 166 int xrep_quotacheck(struct xfs_scrub *sc); 167 #else 168 # define xrep_quota xrep_notsupported 169 # define xrep_quotacheck xrep_notsupported 170 #endif /* CONFIG_XFS_QUOTA */ 171 172 int xrep_reinit_pagf(struct xfs_scrub *sc); 173 int xrep_reinit_pagi(struct xfs_scrub *sc); 174 175 bool xrep_buf_verify_struct(struct xfs_buf *bp, const struct xfs_buf_ops *ops); 176 void xrep_inode_set_nblocks(struct xfs_scrub *sc, int64_t new_blocks); 177 int xrep_reset_metafile_resv(struct xfs_scrub *sc); 178 179 #else 180 181 #define xrep_ino_dqattach(sc) (0) 182 183 /* 184 * When online repair is not built into the kernel, we still want to attempt 185 * the repair so that the stub xrep_attempt below will return EOPNOTSUPP. 186 */ 187 static inline bool xrep_will_attempt(const struct xfs_scrub *sc) 188 { 189 return (sc->sm->sm_flags & XFS_SCRUB_IFLAG_FORCE_REBUILD) || 190 xchk_needs_repair(sc->sm); 191 } 192 193 static inline int 194 xrep_attempt( 195 struct xfs_scrub *sc, 196 struct xchk_stats_run *run) 197 { 198 return -EOPNOTSUPP; 199 } 200 201 static inline void xrep_failure(struct xfs_mount *mp) {} 202 203 static inline xfs_extlen_t 204 xrep_calc_ag_resblks( 205 struct xfs_scrub *sc) 206 { 207 return 0; 208 } 209 210 #define xrep_calc_rtgroup_resblks xrep_calc_ag_resblks 211 212 static inline int 213 xrep_reset_perag_resv( 214 struct xfs_scrub *sc) 215 { 216 if (!(sc->flags & XREP_RESET_PERAG_RESV)) 217 return 0; 218 219 ASSERT(0); 220 return -EOPNOTSUPP; 221 } 222 223 /* repair setup functions for no-repair */ 224 static inline int 225 xrep_setup_nothing( 226 struct xfs_scrub *sc) 227 { 228 return 0; 229 } 230 #define xrep_setup_ag_allocbt xrep_setup_nothing 231 #define xrep_setup_ag_rmapbt xrep_setup_nothing 232 #define xrep_setup_ag_refcountbt xrep_setup_nothing 233 #define xrep_setup_xattr xrep_setup_nothing 234 #define xrep_setup_directory xrep_setup_nothing 235 #define xrep_setup_parent xrep_setup_nothing 236 #define xrep_setup_nlinks xrep_setup_nothing 237 #define xrep_setup_dirtree xrep_setup_nothing 238 #define xrep_setup_metapath xrep_setup_nothing 239 #define xrep_setup_rtrmapbt xrep_setup_nothing 240 #define xrep_setup_rtrefcountbt xrep_setup_nothing 241 242 #define xrep_setup_inode(sc, imap) ((void)0) 243 244 static inline int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *x) 245 { 246 return 0; 247 } 248 249 #define xrep_revalidate_allocbt (NULL) 250 #define xrep_revalidate_iallocbt (NULL) 251 252 #define xrep_probe xrep_notsupported 253 #define xrep_superblock xrep_notsupported 254 #define xrep_agf xrep_notsupported 255 #define xrep_agfl xrep_notsupported 256 #define xrep_agi xrep_notsupported 257 #define xrep_allocbt xrep_notsupported 258 #define xrep_iallocbt xrep_notsupported 259 #define xrep_rmapbt xrep_notsupported 260 #define xrep_refcountbt xrep_notsupported 261 #define xrep_inode xrep_notsupported 262 #define xrep_bmap_data xrep_notsupported 263 #define xrep_bmap_attr xrep_notsupported 264 #define xrep_bmap_cow xrep_notsupported 265 #define xrep_rtbitmap xrep_notsupported 266 #define xrep_quota xrep_notsupported 267 #define xrep_quotacheck xrep_notsupported 268 #define xrep_nlinks xrep_notsupported 269 #define xrep_fscounters xrep_notsupported 270 #define xrep_rtsummary xrep_notsupported 271 #define xrep_xattr xrep_notsupported 272 #define xrep_directory xrep_notsupported 273 #define xrep_parent xrep_notsupported 274 #define xrep_symlink xrep_notsupported 275 #define xrep_dirtree xrep_notsupported 276 #define xrep_metapath xrep_notsupported 277 #define xrep_rgsuperblock xrep_notsupported 278 #define xrep_rtrmapbt xrep_notsupported 279 #define xrep_rtrefcountbt xrep_notsupported 280 281 #endif /* CONFIG_XFS_ONLINE_REPAIR */ 282 283 #endif /* __XFS_SCRUB_REPAIR_H__ */ 284