57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2020-2024 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_FINDPARENT_H__
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#define __XFS_SCRUB_FINDPARENT_H__
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struct xrep_parent_scan_info {
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struct xfs_scrub *sc;
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/* Inode scan cursor. */
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struct xchk_iscan iscan;
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/* Hook to capture directory entry updates. */
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struct xfs_dir_hook dhook;
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/* Lock protecting parent_ino. */
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struct mutex lock;
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/* Parent inode that we've found. */
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xfs_ino_t parent_ino;
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bool lookup_parent;
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};
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int __xrep_findparent_scan_start(struct xfs_scrub *sc,
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struct xrep_parent_scan_info *pscan,
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notifier_fn_t custom_fn);
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static inline int xrep_findparent_scan_start(struct xfs_scrub *sc,
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struct xrep_parent_scan_info *pscan)
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{
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return __xrep_findparent_scan_start(sc, pscan, NULL);
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}
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int xrep_findparent_scan(struct xrep_parent_scan_info *pscan);
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void xrep_findparent_scan_teardown(struct xrep_parent_scan_info *pscan);
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static inline void
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xrep_findparent_scan_found(
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struct xrep_parent_scan_info *pscan,
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xfs_ino_t ino)
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{
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mutex_lock(&pscan->lock);
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pscan->parent_ino = ino;
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mutex_unlock(&pscan->lock);
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}
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void xrep_findparent_scan_finish_early(struct xrep_parent_scan_info *pscan,
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xfs_ino_t ino);
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int xrep_findparent_confirm(struct xfs_scrub *sc, xfs_ino_t *parent_ino);
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xfs_ino_t xrep_findparent_self_reference(struct xfs_scrub *sc);
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xfs_ino_t xrep_findparent_from_dcache(struct xfs_scrub *sc);
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#endif /* __XFS_SCRUB_FINDPARENT_H__ */
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