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 11struct xchk_stats_run; 12 13static 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 30int xrep_attempt(struct xfs_scrub *sc, struct xchk_stats_run *run); 31bool xrep_will_attempt(struct xfs_scrub *sc); 32void xrep_failure(struct xfs_mount *mp); 33int xrep_roll_ag_trans(struct xfs_scrub *sc); 34int xrep_roll_trans(struct xfs_scrub *sc); 35int xrep_defer_finish(struct xfs_scrub *sc); 36bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks, 37 enum xfs_ag_resv_type type); 38xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc); 39 40static inline int 41xrep_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 50struct xbitmap; 51struct xagb_bitmap; 52struct xfsb_bitmap; 53 54int xrep_fix_freelist(struct xfs_scrub *sc, int alloc_flags); 55 56struct 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 71int 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 75void xrep_update_qflags(struct xfs_scrub *sc, unsigned int clear_flags, 76 unsigned int set_flags); 77void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type); 78int 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 84int xrep_setup_xfbtree(struct xfs_scrub *sc, const char *descr); 85 86int xrep_ino_ensure_extent_count(struct xfs_scrub *sc, int whichfork, 87 xfs_extnum_t nextents); 88int xrep_reset_perag_resv(struct xfs_scrub *sc); 89int xrep_bmap(struct xfs_scrub *sc, int whichfork, bool allow_unwritten); 90int xrep_metadata_inode_forks(struct xfs_scrub *sc); 91int xrep_setup_ag_rmapbt(struct xfs_scrub *sc); 92int xrep_setup_ag_refcountbt(struct xfs_scrub *sc); 93int xrep_setup_xattr(struct xfs_scrub *sc); 94int xrep_setup_directory(struct xfs_scrub *sc); 95int xrep_setup_parent(struct xfs_scrub *sc); 96int xrep_setup_nlinks(struct xfs_scrub *sc); 97int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *resblks); 98int xrep_setup_dirtree(struct xfs_scrub *sc); 99 100/* Repair setup functions */ 101int xrep_setup_ag_allocbt(struct xfs_scrub *sc); 102 103struct xfs_imap; 104int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap); 105 106void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); 107int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag, 108 struct xchk_ag *sa); 109 110/* Metadata revalidators */ 111 112int xrep_revalidate_allocbt(struct xfs_scrub *sc); 113int xrep_revalidate_iallocbt(struct xfs_scrub *sc); 114 115/* Metadata repairers */ 116 117int xrep_probe(struct xfs_scrub *sc); 118int xrep_superblock(struct xfs_scrub *sc); 119int xrep_agf(struct xfs_scrub *sc); 120int xrep_agfl(struct xfs_scrub *sc); 121int xrep_agi(struct xfs_scrub *sc); 122int xrep_allocbt(struct xfs_scrub *sc); 123int xrep_iallocbt(struct xfs_scrub *sc); 124int xrep_rmapbt(struct xfs_scrub *sc); 125int xrep_refcountbt(struct xfs_scrub *sc); 126int xrep_inode(struct xfs_scrub *sc); 127int xrep_bmap_data(struct xfs_scrub *sc); 128int xrep_bmap_attr(struct xfs_scrub *sc); 129int xrep_bmap_cow(struct xfs_scrub *sc); 130int xrep_nlinks(struct xfs_scrub *sc); 131int xrep_fscounters(struct xfs_scrub *sc); 132int xrep_xattr(struct xfs_scrub *sc); 133int xrep_directory(struct xfs_scrub *sc); 134int xrep_parent(struct xfs_scrub *sc); 135int xrep_symlink(struct xfs_scrub *sc); 136int xrep_dirtree(struct xfs_scrub *sc); 137 138#ifdef CONFIG_XFS_RT 139int xrep_rtbitmap(struct xfs_scrub *sc); 140int 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 147int xrep_quota(struct xfs_scrub *sc); 148int 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 154int xrep_reinit_pagf(struct xfs_scrub *sc); 155int xrep_reinit_pagi(struct xfs_scrub *sc); 156 157int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep, 158 struct xfs_trans **tpp); 159void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp); 160 161bool 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 168static inline int 169xrep_attempt( 170 struct xfs_scrub *sc, 171 struct xchk_stats_run *run) 172{ 173 return -EOPNOTSUPP; 174} 175 176static inline void xrep_failure(struct xfs_mount *mp) {} 177 178static inline xfs_extlen_t 179xrep_calc_ag_resblks( 180 struct xfs_scrub *sc) 181{ 182 return 0; 183} 184 185static inline int 186xrep_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 */ 197static inline int 198xrep_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 214static 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