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1// SPDX-License-Identifier: GPL-2.0-or-later2/*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_REPAIR19 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 avoid23 * 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 int41xrep_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_QUOTA75void 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#else80# 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_RT139int xrep_rtbitmap(struct xfs_scrub *sc);140int xrep_rtsummary(struct xfs_scrub *sc);141#else142# define xrep_rtbitmap xrep_notsupported143# define xrep_rtsummary xrep_notsupported144#endif /* CONFIG_XFS_RT */145 146#ifdef CONFIG_XFS_QUOTA147int xrep_quota(struct xfs_scrub *sc);148int xrep_quotacheck(struct xfs_scrub *sc);149#else150# define xrep_quota xrep_notsupported151# define xrep_quotacheck xrep_notsupported152#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#else164 165#define xrep_ino_dqattach(sc) (0)166#define xrep_will_attempt(sc) (false)167 168static inline int169xrep_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_t179xrep_calc_ag_resblks(180 struct xfs_scrub *sc)181{182 return 0;183}184 185static inline int186xrep_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 int198xrep_setup_nothing(199 struct xfs_scrub *sc)200{201 return 0;202}203#define xrep_setup_ag_allocbt xrep_setup_nothing204#define xrep_setup_ag_rmapbt xrep_setup_nothing205#define xrep_setup_ag_refcountbt xrep_setup_nothing206#define xrep_setup_xattr xrep_setup_nothing207#define xrep_setup_directory xrep_setup_nothing208#define xrep_setup_parent xrep_setup_nothing209#define xrep_setup_nlinks xrep_setup_nothing210#define xrep_setup_dirtree xrep_setup_nothing211 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_notsupported223#define xrep_superblock xrep_notsupported224#define xrep_agf xrep_notsupported225#define xrep_agfl xrep_notsupported226#define xrep_agi xrep_notsupported227#define xrep_allocbt xrep_notsupported228#define xrep_iallocbt xrep_notsupported229#define xrep_rmapbt xrep_notsupported230#define xrep_refcountbt xrep_notsupported231#define xrep_inode xrep_notsupported232#define xrep_bmap_data xrep_notsupported233#define xrep_bmap_attr xrep_notsupported234#define xrep_bmap_cow xrep_notsupported235#define xrep_rtbitmap xrep_notsupported236#define xrep_quota xrep_notsupported237#define xrep_quotacheck xrep_notsupported238#define xrep_nlinks xrep_notsupported239#define xrep_fscounters xrep_notsupported240#define xrep_rtsummary xrep_notsupported241#define xrep_xattr xrep_notsupported242#define xrep_directory xrep_notsupported243#define xrep_parent xrep_notsupported244#define xrep_symlink xrep_notsupported245#define xrep_dirtree xrep_notsupported246 247#endif /* CONFIG_XFS_ONLINE_REPAIR */248 249#endif /* __XFS_SCRUB_REPAIR_H__ */250