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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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66e3237e72
Only certain functions actually change the contents of an xfs_owner_info; the rest can accept a const struct pointer. This will enable us to save stack space by hoisting static owner info types to be const global variables. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
// 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 <darrick.wong@oracle.com>
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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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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_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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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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#endif /* __XFS_SCRUB_COMMON_H__ */
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