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152 lines
5.1 KiB
152 lines
5.1 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Copyright (C) 2017 Oracle. All Rights Reserved. |
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* Author: Darrick J. Wong <[email protected]> |
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*/ |
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#ifndef __XFS_SCRUB_COMMON_H__ |
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#define __XFS_SCRUB_COMMON_H__ |
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/* |
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* We /could/ terminate a scrub/repair operation early. If we're not |
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* in a good place to continue (fatal signal, etc.) then bail out. |
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* Note that we're careful not to make any judgements about *error. |
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*/ |
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static inline bool |
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xchk_should_terminate( |
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struct xfs_scrub *sc, |
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int *error) |
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{ |
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/* |
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* If preemption is disabled, we need to yield to the scheduler every |
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* few seconds so that we don't run afoul of the soft lockup watchdog |
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* or RCU stall detector. |
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*/ |
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cond_resched(); |
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if (fatal_signal_pending(current)) { |
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if (*error == 0) |
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*error = -EAGAIN; |
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return true; |
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} |
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return false; |
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} |
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int xchk_trans_alloc(struct xfs_scrub *sc, uint resblks); |
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bool xchk_process_error(struct xfs_scrub *sc, xfs_agnumber_t agno, |
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xfs_agblock_t bno, int *error); |
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bool xchk_fblock_process_error(struct xfs_scrub *sc, int whichfork, |
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xfs_fileoff_t offset, int *error); |
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bool xchk_xref_process_error(struct xfs_scrub *sc, |
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xfs_agnumber_t agno, xfs_agblock_t bno, int *error); |
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bool xchk_fblock_xref_process_error(struct xfs_scrub *sc, |
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int whichfork, xfs_fileoff_t offset, int *error); |
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void xchk_block_set_preen(struct xfs_scrub *sc, |
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struct xfs_buf *bp); |
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void xchk_ino_set_preen(struct xfs_scrub *sc, xfs_ino_t ino); |
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void xchk_set_corrupt(struct xfs_scrub *sc); |
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void xchk_block_set_corrupt(struct xfs_scrub *sc, |
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struct xfs_buf *bp); |
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void xchk_ino_set_corrupt(struct xfs_scrub *sc, xfs_ino_t ino); |
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void xchk_fblock_set_corrupt(struct xfs_scrub *sc, int whichfork, |
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xfs_fileoff_t offset); |
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void xchk_block_xref_set_corrupt(struct xfs_scrub *sc, |
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struct xfs_buf *bp); |
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void xchk_ino_xref_set_corrupt(struct xfs_scrub *sc, |
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xfs_ino_t ino); |
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void xchk_fblock_xref_set_corrupt(struct xfs_scrub *sc, |
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int whichfork, xfs_fileoff_t offset); |
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void xchk_ino_set_warning(struct xfs_scrub *sc, xfs_ino_t ino); |
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void xchk_fblock_set_warning(struct xfs_scrub *sc, int whichfork, |
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xfs_fileoff_t offset); |
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void xchk_set_incomplete(struct xfs_scrub *sc); |
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int xchk_checkpoint_log(struct xfs_mount *mp); |
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/* Are we set up for a cross-referencing check? */ |
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bool xchk_should_check_xref(struct xfs_scrub *sc, int *error, |
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struct xfs_btree_cur **curpp); |
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/* Setup functions */ |
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int xchk_setup_fs(struct xfs_scrub *sc, struct xfs_inode *ip); |
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int xchk_setup_ag_allocbt(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_ag_iallocbt(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_ag_rmapbt(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_ag_refcountbt(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_inode(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_inode_bmap(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_inode_bmap_data(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_directory(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_xattr(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_symlink(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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int xchk_setup_parent(struct xfs_scrub *sc, |
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struct xfs_inode *ip); |
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#ifdef CONFIG_XFS_RT |
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int xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip); |
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#else |
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static inline int |
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xchk_setup_rt(struct xfs_scrub *sc, struct xfs_inode *ip) |
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{ |
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return -ENOENT; |
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} |
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#endif |
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#ifdef CONFIG_XFS_QUOTA |
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int xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip); |
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#else |
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static inline int |
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xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip) |
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{ |
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return -ENOENT; |
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} |
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#endif |
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int xchk_setup_fscounters(struct xfs_scrub *sc, struct xfs_inode *ip); |
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void xchk_ag_free(struct xfs_scrub *sc, struct xchk_ag *sa); |
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int xchk_ag_init(struct xfs_scrub *sc, xfs_agnumber_t agno, |
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struct xchk_ag *sa); |
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void xchk_perag_get(struct xfs_mount *mp, struct xchk_ag *sa); |
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int xchk_ag_read_headers(struct xfs_scrub *sc, xfs_agnumber_t agno, |
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struct xfs_buf **agi, struct xfs_buf **agf, |
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struct xfs_buf **agfl); |
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void xchk_ag_btcur_free(struct xchk_ag *sa); |
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int xchk_ag_btcur_init(struct xfs_scrub *sc, struct xchk_ag *sa); |
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int xchk_count_rmap_ownedby_ag(struct xfs_scrub *sc, struct xfs_btree_cur *cur, |
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const struct xfs_owner_info *oinfo, xfs_filblks_t *blocks); |
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int xchk_setup_ag_btree(struct xfs_scrub *sc, struct xfs_inode *ip, |
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bool force_log); |
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int xchk_get_inode(struct xfs_scrub *sc, struct xfs_inode *ip_in); |
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int xchk_setup_inode_contents(struct xfs_scrub *sc, struct xfs_inode *ip, |
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unsigned int resblks); |
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void xchk_buffer_recheck(struct xfs_scrub *sc, struct xfs_buf *bp); |
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/* |
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* Don't bother cross-referencing if we already found corruption or cross |
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* referencing discrepancies. |
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*/ |
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static inline bool xchk_skip_xref(struct xfs_scrub_metadata *sm) |
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{ |
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return sm->sm_flags & (XFS_SCRUB_OFLAG_CORRUPT | |
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XFS_SCRUB_OFLAG_XCORRUPT); |
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} |
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int xchk_metadata_inode_forks(struct xfs_scrub *sc); |
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int xchk_ilock_inverted(struct xfs_inode *ip, uint lock_mode); |
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void xchk_stop_reaping(struct xfs_scrub *sc); |
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void xchk_start_reaping(struct xfs_scrub *sc); |
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#endif /* __XFS_SCRUB_COMMON_H__ */
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