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