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If a directory looks like it's in bad shape, try to sift through the rubble to find whatever directory entries we can, scan the directory tree for the parent (if needed), stage the new directory contents in a temporary file and use the atomic extent swapping mechanism to commit the results in bulk. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2021-2024 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_TEMPFILE_H__
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#define __XFS_SCRUB_TEMPFILE_H__
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#ifdef CONFIG_XFS_ONLINE_REPAIR
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int xrep_tempfile_create(struct xfs_scrub *sc, uint16_t mode);
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void xrep_tempfile_rele(struct xfs_scrub *sc);
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bool xrep_tempfile_iolock_nowait(struct xfs_scrub *sc);
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int xrep_tempfile_iolock_polled(struct xfs_scrub *sc);
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void xrep_tempfile_iounlock(struct xfs_scrub *sc);
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void xrep_tempfile_ilock(struct xfs_scrub *sc);
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bool xrep_tempfile_ilock_nowait(struct xfs_scrub *sc);
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void xrep_tempfile_iunlock(struct xfs_scrub *sc);
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void xrep_tempfile_iunlock_both(struct xfs_scrub *sc);
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void xrep_tempfile_ilock_both(struct xfs_scrub *sc);
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int xrep_tempfile_prealloc(struct xfs_scrub *sc, xfs_fileoff_t off,
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xfs_filblks_t len);
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enum xfs_blft;
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typedef int (*xrep_tempfile_copyin_fn)(struct xfs_scrub *sc,
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struct xfs_buf *bp, void *data);
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int xrep_tempfile_copyin(struct xfs_scrub *sc, xfs_fileoff_t off,
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xfs_filblks_t len, xrep_tempfile_copyin_fn fn, void *data);
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int xrep_tempfile_set_isize(struct xfs_scrub *sc, unsigned long long isize);
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int xrep_tempfile_roll_trans(struct xfs_scrub *sc);
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void xrep_tempfile_copyout_local(struct xfs_scrub *sc, int whichfork);
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bool xrep_is_tempfile(const struct xfs_inode *ip);
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#else
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static inline void xrep_tempfile_iolock_both(struct xfs_scrub *sc)
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{
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xchk_ilock(sc, XFS_IOLOCK_EXCL);
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}
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# define xrep_is_tempfile(ip) (false)
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# define xrep_tempfile_rele(sc)
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#endif /* CONFIG_XFS_ONLINE_REPAIR */
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#endif /* __XFS_SCRUB_TEMPFILE_H__ */
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