mirror of
https://github.com/torvalds/linux.git
synced 2024-11-23 04:31:50 +00:00
5b35d922c5
A future commit will add a new XFS_IBULK flag which will not have a corresponding XFS_IWALK flag. In preparation for the change, this commit separates XFS_IBULK_* flags from XFS_IWALK_* flags. Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (C) 2019 Oracle. All Rights Reserved.
|
|
* Author: Darrick J. Wong <darrick.wong@oracle.com>
|
|
*/
|
|
#ifndef __XFS_IWALK_H__
|
|
#define __XFS_IWALK_H__
|
|
|
|
/*
|
|
* Return codes for the inode/inobt walk function are 0 to continue iterating,
|
|
* and non-zero to stop iterating. Any non-zero value will be passed up to the
|
|
* iwalk or inobt_walk caller. The special value -ECANCELED can be used to
|
|
* stop iteration, as neither iwalk nor inobt_walk will ever generate that
|
|
* error code on their own.
|
|
*/
|
|
|
|
/* Walk all inodes in the filesystem starting from @startino. */
|
|
typedef int (*xfs_iwalk_fn)(struct xfs_mount *mp, struct xfs_trans *tp,
|
|
xfs_ino_t ino, void *data);
|
|
|
|
int xfs_iwalk(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t startino,
|
|
unsigned int flags, xfs_iwalk_fn iwalk_fn,
|
|
unsigned int inode_records, void *data);
|
|
int xfs_iwalk_threaded(struct xfs_mount *mp, xfs_ino_t startino,
|
|
unsigned int flags, xfs_iwalk_fn iwalk_fn,
|
|
unsigned int inode_records, bool poll, void *data);
|
|
|
|
/* Only iterate inodes within the same AG as @startino. */
|
|
#define XFS_IWALK_SAME_AG (1U << 0)
|
|
|
|
#define XFS_IWALK_FLAGS_ALL (XFS_IWALK_SAME_AG)
|
|
|
|
/* Walk all inode btree records in the filesystem starting from @startino. */
|
|
typedef int (*xfs_inobt_walk_fn)(struct xfs_mount *mp, struct xfs_trans *tp,
|
|
xfs_agnumber_t agno,
|
|
const struct xfs_inobt_rec_incore *irec,
|
|
void *data);
|
|
|
|
int xfs_inobt_walk(struct xfs_mount *mp, struct xfs_trans *tp,
|
|
xfs_ino_t startino, unsigned int flags,
|
|
xfs_inobt_walk_fn inobt_walk_fn, unsigned int inobt_records,
|
|
void *data);
|
|
|
|
/* Only iterate inobt records within the same AG as @startino. */
|
|
#define XFS_INOBT_WALK_SAME_AG (XFS_IWALK_SAME_AG)
|
|
|
|
#define XFS_INOBT_WALK_FLAGS_ALL (XFS_INOBT_WALK_SAME_AG)
|
|
|
|
#endif /* __XFS_IWALK_H__ */
|