From a211432c27ffa32d9978f6c18f5af0c3f8ad2ad1 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Tue, 2 Jul 2019 09:39:38 -0700 Subject: xfs: create simplified inode walk function Create a new iterator function to simplify walking inodes in an XFS filesystem. This new iterator will replace the existing open-coded walking that goes on in various places. Signed-off-by: Darrick J. Wong Reviewed-by: Brian Foster --- fs/xfs/xfs_iwalk.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 fs/xfs/xfs_iwalk.h (limited to 'fs/xfs/xfs_iwalk.h') diff --git a/fs/xfs/xfs_iwalk.h b/fs/xfs/xfs_iwalk.h new file mode 100644 index 000000000000..7728dfd618a4 --- /dev/null +++ b/fs/xfs/xfs_iwalk.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2019 Oracle. All Rights Reserved. + * Author: Darrick J. Wong + */ +#ifndef __XFS_IWALK_H__ +#define __XFS_IWALK_H__ + +/* 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); +/* Return values for xfs_iwalk_fn. */ +#define XFS_IWALK_CONTINUE (XFS_ITER_CONTINUE) +#define XFS_IWALK_ABORT (XFS_ITER_ABORT) + +int xfs_iwalk(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t startino, + xfs_iwalk_fn iwalk_fn, unsigned int inode_records, void *data); + +#endif /* __XFS_IWALK_H__ */ -- cgit v1.2.3