1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2019 Oracle. All Rights Reserved. 4 * Author: Darrick J. Wong <darrick.wong@oracle.com> 5 */ 6 #ifndef __XFS_IWALK_H__ 7 #define __XFS_IWALK_H__ 8 9 /* 10 * Return codes for the inode/inobt walk function are 0 to continue iterating, 11 * and non-zero to stop iterating. Any non-zero value will be passed up to the 12 * iwalk or inobt_walk caller. The special value -ECANCELED can be used to 13 * stop iteration, as neither iwalk nor inobt_walk will ever generate that 14 * error code on their own. 15 */ 16 17 /* Walk all inodes in the filesystem starting from @startino. */ 18 typedef int (*xfs_iwalk_fn)(struct xfs_mount *mp, struct xfs_trans *tp, 19 xfs_ino_t ino, void *data); 20 21 int xfs_iwalk(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t startino, 22 unsigned int flags, xfs_iwalk_fn iwalk_fn, 23 unsigned int inode_records, void *data); 24 int xfs_iwalk_threaded(struct xfs_mount *mp, xfs_ino_t startino, 25 unsigned int flags, xfs_iwalk_fn iwalk_fn, 26 unsigned int inode_records, bool poll, void *data); 27 28 /* Only iterate inodes within the same AG as @startino. */ 29 #define XFS_IWALK_SAME_AG (1U << 0) 30 31 #define XFS_IWALK_FLAGS_ALL (XFS_IWALK_SAME_AG) 32 33 /* Walk all inode btree records in the filesystem starting from @startino. */ 34 typedef int (*xfs_inobt_walk_fn)(struct xfs_mount *mp, struct xfs_trans *tp, 35 xfs_agnumber_t agno, 36 const struct xfs_inobt_rec_incore *irec, 37 void *data); 38 39 int xfs_inobt_walk(struct xfs_mount *mp, struct xfs_trans *tp, 40 xfs_ino_t startino, unsigned int flags, 41 xfs_inobt_walk_fn inobt_walk_fn, unsigned int inobt_records, 42 void *data); 43 44 /* Only iterate inobt records within the same AG as @startino. */ 45 #define XFS_INOBT_WALK_SAME_AG (XFS_IWALK_SAME_AG) 46 47 #define XFS_INOBT_WALK_FLAGS_ALL (XFS_INOBT_WALK_SAME_AG) 48 49 #endif /* __XFS_IWALK_H__ */ 50