250 lines
7.1 KiB
C
250 lines
7.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2018-2023 Oracle. All Rights Reserved.
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* Author: Darrick J. Wong <djwong@kernel.org>
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*/
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#ifndef __XFS_SCRUB_REPAIR_H__
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#define __XFS_SCRUB_REPAIR_H__
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#include "xfs_quota_defs.h"
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struct xchk_stats_run;
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static inline int xrep_notsupported(struct xfs_scrub *sc)
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{
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return -EOPNOTSUPP;
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}
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#ifdef CONFIG_XFS_ONLINE_REPAIR
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/*
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* This is the maximum number of deferred extent freeing item extents (EFIs)
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* that we'll attach to a transaction without rolling the transaction to avoid
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* overrunning a tr_itruncate reservation.
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*/
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#define XREP_MAX_ITRUNCATE_EFIS (128)
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/* Repair helpers */
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int xrep_attempt(struct xfs_scrub *sc, struct xchk_stats_run *run);
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bool xrep_will_attempt(struct xfs_scrub *sc);
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void xrep_failure(struct xfs_mount *mp);
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int xrep_roll_ag_trans(struct xfs_scrub *sc);
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int xrep_roll_trans(struct xfs_scrub *sc);
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int xrep_defer_finish(struct xfs_scrub *sc);
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bool xrep_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks,
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enum xfs_ag_resv_type type);
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xfs_extlen_t xrep_calc_ag_resblks(struct xfs_scrub *sc);
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static inline int
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xrep_trans_commit(
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struct xfs_scrub *sc)
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{
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int error = xfs_trans_commit(sc->tp);
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sc->tp = NULL;
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return error;
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}
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struct xbitmap;
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struct xagb_bitmap;
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struct xfsb_bitmap;
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int xrep_fix_freelist(struct xfs_scrub *sc, int alloc_flags);
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struct xrep_find_ag_btree {
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/* in: rmap owner of the btree we're looking for */
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uint64_t rmap_owner;
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/* in: buffer ops */
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const struct xfs_buf_ops *buf_ops;
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/* in: maximum btree height */
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unsigned int maxlevels;
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/* out: the highest btree block found and the tree height */
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xfs_agblock_t root;
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unsigned int height;
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};
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int xrep_find_ag_btree_roots(struct xfs_scrub *sc, struct xfs_buf *agf_bp,
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struct xrep_find_ag_btree *btree_info, struct xfs_buf *agfl_bp);
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#ifdef CONFIG_XFS_QUOTA
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void xrep_update_qflags(struct xfs_scrub *sc, unsigned int clear_flags,
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unsigned int set_flags);
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void xrep_force_quotacheck(struct xfs_scrub *sc, xfs_dqtype_t type);
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int xrep_ino_dqattach(struct xfs_scrub *sc);
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#else
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# define xrep_force_quotacheck(sc, type) ((void)0)
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# define xrep_ino_dqattach(sc) (0)
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#endif /* CONFIG_XFS_QUOTA */
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int xrep_setup_xfbtree(struct xfs_scrub *sc, const char *descr);
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int xrep_ino_ensure_extent_count(struct xfs_scrub *sc, int whichfork,
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xfs_extnum_t nextents);
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int xrep_reset_perag_resv(struct xfs_scrub *sc);
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int xrep_bmap(struct xfs_scrub *sc, int whichfork, bool allow_unwritten);
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int xrep_metadata_inode_forks(struct xfs_scrub *sc);
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int xrep_setup_ag_rmapbt(struct xfs_scrub *sc);
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int xrep_setup_ag_refcountbt(struct xfs_scrub *sc);
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int xrep_setup_xattr(struct xfs_scrub *sc);
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int xrep_setup_directory(struct xfs_scrub *sc);
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int xrep_setup_parent(struct xfs_scrub *sc);
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int xrep_setup_nlinks(struct xfs_scrub *sc);
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int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *resblks);
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int xrep_setup_dirtree(struct xfs_scrub *sc);
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/* Repair setup functions */
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int xrep_setup_ag_allocbt(struct xfs_scrub *sc);
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struct xfs_imap;
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int xrep_setup_inode(struct xfs_scrub *sc, const struct xfs_imap *imap);
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void xrep_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa);
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int xrep_ag_init(struct xfs_scrub *sc, struct xfs_perag *pag,
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struct xchk_ag *sa);
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/* Metadata revalidators */
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int xrep_revalidate_allocbt(struct xfs_scrub *sc);
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int xrep_revalidate_iallocbt(struct xfs_scrub *sc);
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/* Metadata repairers */
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int xrep_probe(struct xfs_scrub *sc);
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int xrep_superblock(struct xfs_scrub *sc);
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int xrep_agf(struct xfs_scrub *sc);
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int xrep_agfl(struct xfs_scrub *sc);
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int xrep_agi(struct xfs_scrub *sc);
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int xrep_allocbt(struct xfs_scrub *sc);
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int xrep_iallocbt(struct xfs_scrub *sc);
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int xrep_rmapbt(struct xfs_scrub *sc);
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int xrep_refcountbt(struct xfs_scrub *sc);
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int xrep_inode(struct xfs_scrub *sc);
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int xrep_bmap_data(struct xfs_scrub *sc);
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int xrep_bmap_attr(struct xfs_scrub *sc);
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int xrep_bmap_cow(struct xfs_scrub *sc);
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int xrep_nlinks(struct xfs_scrub *sc);
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int xrep_fscounters(struct xfs_scrub *sc);
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int xrep_xattr(struct xfs_scrub *sc);
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int xrep_directory(struct xfs_scrub *sc);
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int xrep_parent(struct xfs_scrub *sc);
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int xrep_symlink(struct xfs_scrub *sc);
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int xrep_dirtree(struct xfs_scrub *sc);
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#ifdef CONFIG_XFS_RT
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int xrep_rtbitmap(struct xfs_scrub *sc);
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int xrep_rtsummary(struct xfs_scrub *sc);
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#else
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# define xrep_rtbitmap xrep_notsupported
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# define xrep_rtsummary xrep_notsupported
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#endif /* CONFIG_XFS_RT */
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#ifdef CONFIG_XFS_QUOTA
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int xrep_quota(struct xfs_scrub *sc);
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int xrep_quotacheck(struct xfs_scrub *sc);
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#else
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# define xrep_quota xrep_notsupported
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# define xrep_quotacheck xrep_notsupported
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#endif /* CONFIG_XFS_QUOTA */
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int xrep_reinit_pagf(struct xfs_scrub *sc);
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int xrep_reinit_pagi(struct xfs_scrub *sc);
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int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep,
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struct xfs_trans **tpp);
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void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp);
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bool xrep_buf_verify_struct(struct xfs_buf *bp, const struct xfs_buf_ops *ops);
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#else
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#define xrep_ino_dqattach(sc) (0)
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#define xrep_will_attempt(sc) (false)
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static inline int
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xrep_attempt(
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struct xfs_scrub *sc,
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struct xchk_stats_run *run)
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{
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return -EOPNOTSUPP;
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}
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static inline void xrep_failure(struct xfs_mount *mp) {}
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static inline xfs_extlen_t
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xrep_calc_ag_resblks(
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struct xfs_scrub *sc)
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{
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return 0;
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}
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static inline int
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xrep_reset_perag_resv(
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struct xfs_scrub *sc)
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{
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if (!(sc->flags & XREP_RESET_PERAG_RESV))
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return 0;
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ASSERT(0);
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return -EOPNOTSUPP;
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}
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/* repair setup functions for no-repair */
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static inline int
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xrep_setup_nothing(
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struct xfs_scrub *sc)
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{
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return 0;
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}
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#define xrep_setup_ag_allocbt xrep_setup_nothing
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#define xrep_setup_ag_rmapbt xrep_setup_nothing
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#define xrep_setup_ag_refcountbt xrep_setup_nothing
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#define xrep_setup_xattr xrep_setup_nothing
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#define xrep_setup_directory xrep_setup_nothing
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#define xrep_setup_parent xrep_setup_nothing
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#define xrep_setup_nlinks xrep_setup_nothing
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#define xrep_setup_dirtree xrep_setup_nothing
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#define xrep_setup_inode(sc, imap) ((void)0)
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static inline int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *x)
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{
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return 0;
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}
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#define xrep_revalidate_allocbt (NULL)
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#define xrep_revalidate_iallocbt (NULL)
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#define xrep_probe xrep_notsupported
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#define xrep_superblock xrep_notsupported
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#define xrep_agf xrep_notsupported
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#define xrep_agfl xrep_notsupported
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#define xrep_agi xrep_notsupported
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#define xrep_allocbt xrep_notsupported
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#define xrep_iallocbt xrep_notsupported
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#define xrep_rmapbt xrep_notsupported
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#define xrep_refcountbt xrep_notsupported
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#define xrep_inode xrep_notsupported
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#define xrep_bmap_data xrep_notsupported
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#define xrep_bmap_attr xrep_notsupported
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#define xrep_bmap_cow xrep_notsupported
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#define xrep_rtbitmap xrep_notsupported
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#define xrep_quota xrep_notsupported
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#define xrep_quotacheck xrep_notsupported
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#define xrep_nlinks xrep_notsupported
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#define xrep_fscounters xrep_notsupported
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#define xrep_rtsummary xrep_notsupported
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#define xrep_xattr xrep_notsupported
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#define xrep_directory xrep_notsupported
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#define xrep_parent xrep_notsupported
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#define xrep_symlink xrep_notsupported
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#define xrep_dirtree xrep_notsupported
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#endif /* CONFIG_XFS_ONLINE_REPAIR */
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#endif /* __XFS_SCRUB_REPAIR_H__ */
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