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); 93 94/* Repair setup functions */ 95int xrep_setup_ag_allocbt(struct xfs_scrub *sc); 96 97struct xfs_imap; 98int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap); 99 100void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); 101int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag, 102 struct xchk_ag *sa); 103 104/* Metadata revalidators */ 105 106int xrep_revalidate_allocbt(struct xfs_scrub *sc); 107int xrep_revalidate_iallocbt(struct xfs_scrub *sc); 108 109/* Metadata repairers */ 110 111int xrep_probe(struct xfs_scrub *sc); 112int xrep_superblock(struct xfs_scrub *sc); 113int xrep_agf(struct xfs_scrub *sc); 114int xrep_agfl(struct xfs_scrub *sc); 115int xrep_agi(struct xfs_scrub *sc); 116int xrep_allocbt(struct xfs_scrub *sc); 117int xrep_iallocbt(struct xfs_scrub *sc); 118int xrep_rmapbt(struct xfs_scrub *sc); 119int xrep_refcountbt(struct xfs_scrub *sc); 120int xrep_inode(struct xfs_scrub *sc); 121int xrep_bmap_data(struct xfs_scrub *sc); 122int xrep_bmap_attr(struct xfs_scrub *sc); 123int xrep_bmap_cow(struct xfs_scrub *sc); 124int xrep_nlinks(struct xfs_scrub *sc); 125int xrep_fscounters(struct xfs_scrub *sc); 126 127#ifdef CONFIG_XFS_RT 128int 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 134int xrep_quota(struct xfs_scrub *sc); 135int 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 141int xrep_reinit_pagf(struct xfs_scrub *sc); 142int xrep_reinit_pagi(struct xfs_scrub *sc); 143 144int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep, 145 struct xfs_trans **tpp); 146void 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 153static inline int 154xrep_attempt( 155 struct xfs_scrub *sc, 156 struct xchk_stats_run *run) 157{ 158 return -EOPNOTSUPP; 159} 160 161static inline void xrep_failure(struct xfs_mount *mp) {} 162 163static inline xfs_extlen_t 164xrep_calc_ag_resblks( 165 struct xfs_scrub *sc) 166{ 167 return 0; 168} 169 170static inline int 171xrep_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 */ 182static inline int 183xrep_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