^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2019 Oracle. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Author: Darrick J. Wong <darrick.wong@oracle.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef __XFS_IWALK_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define __XFS_IWALK_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Return codes for the inode/inobt walk function are 0 to continue iterating,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * and non-zero to stop iterating. Any non-zero value will be passed up to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * iwalk or inobt_walk caller. The special value -ECANCELED can be used to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * stop iteration, as neither iwalk nor inobt_walk will ever generate that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * error code on their own.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /* Walk all inodes in the filesystem starting from @startino. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) typedef int (*xfs_iwalk_fn)(struct xfs_mount *mp, struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) xfs_ino_t ino, void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) int xfs_iwalk(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t startino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) unsigned int flags, xfs_iwalk_fn iwalk_fn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned int inode_records, void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) int xfs_iwalk_threaded(struct xfs_mount *mp, xfs_ino_t startino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) unsigned int flags, xfs_iwalk_fn iwalk_fn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) unsigned int inode_records, bool poll, void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* Only iterate inodes within the same AG as @startino. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define XFS_IWALK_SAME_AG (0x1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define XFS_IWALK_FLAGS_ALL (XFS_IWALK_SAME_AG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* Walk all inode btree records in the filesystem starting from @startino. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) typedef int (*xfs_inobt_walk_fn)(struct xfs_mount *mp, struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) xfs_agnumber_t agno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) const struct xfs_inobt_rec_incore *irec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int xfs_inobt_walk(struct xfs_mount *mp, struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) xfs_ino_t startino, unsigned int flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) xfs_inobt_walk_fn inobt_walk_fn, unsigned int inobt_records,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /* Only iterate inobt records within the same AG as @startino. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define XFS_INOBT_WALK_SAME_AG (XFS_IWALK_SAME_AG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define XFS_INOBT_WALK_FLAGS_ALL (XFS_INOBT_WALK_SAME_AG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #endif /* __XFS_IWALK_H__ */