/* 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__ */