mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
219ee99d36
Create a helper function to turn a metadata file type code into a printable string, and use this to complain about lockdep problems with rtgroup inodes. We'll use this more in the next patch. Signed-off-by: "Darrick J. Wong" <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (c) 2018-2024 Oracle. All Rights Reserved.
|
|
* Author: Darrick J. Wong <djwong@kernel.org>
|
|
*/
|
|
#ifndef __XFS_METAFILE_H__
|
|
#define __XFS_METAFILE_H__
|
|
|
|
const char *xfs_metafile_type_str(enum xfs_metafile_type metatype);
|
|
|
|
/* All metadata files must have these flags set. */
|
|
#define XFS_METAFILE_DIFLAGS (XFS_DIFLAG_IMMUTABLE | \
|
|
XFS_DIFLAG_SYNC | \
|
|
XFS_DIFLAG_NOATIME | \
|
|
XFS_DIFLAG_NODUMP | \
|
|
XFS_DIFLAG_NODEFRAG)
|
|
|
|
/* All metadata directories must have these flags set. */
|
|
#define XFS_METADIR_DIFLAGS (XFS_METAFILE_DIFLAGS | \
|
|
XFS_DIFLAG_NOSYMLINKS)
|
|
|
|
void xfs_metafile_set_iflag(struct xfs_trans *tp, struct xfs_inode *ip,
|
|
enum xfs_metafile_type metafile_type);
|
|
void xfs_metafile_clear_iflag(struct xfs_trans *tp, struct xfs_inode *ip);
|
|
|
|
/* Space reservations for metadata inodes. */
|
|
struct xfs_alloc_arg;
|
|
|
|
bool xfs_metafile_resv_critical(struct xfs_inode *ip);
|
|
void xfs_metafile_resv_alloc_space(struct xfs_inode *ip,
|
|
struct xfs_alloc_arg *args);
|
|
void xfs_metafile_resv_free_space(struct xfs_inode *ip, struct xfs_trans *tp,
|
|
xfs_filblks_t len);
|
|
void xfs_metafile_resv_free(struct xfs_inode *ip);
|
|
int xfs_metafile_resv_init(struct xfs_inode *ip, xfs_filblks_t ask);
|
|
|
|
/* Code specific to kernel/userspace; must be provided externally. */
|
|
|
|
int xfs_trans_metafile_iget(struct xfs_trans *tp, xfs_ino_t ino,
|
|
enum xfs_metafile_type metafile_type, struct xfs_inode **ipp);
|
|
int xfs_metafile_iget(struct xfs_mount *mp, xfs_ino_t ino,
|
|
enum xfs_metafile_type metafile_type, struct xfs_inode **ipp);
|
|
|
|
#endif /* __XFS_METAFILE_H__ */
|