forked from mirrors/linux
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>
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2018-2024 Oracle. All Rights Reserved.
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* Author: Darrick J. Wong <djwong@kernel.org>
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*/
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#ifndef __XFS_METAFILE_H__
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#define __XFS_METAFILE_H__
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const char *xfs_metafile_type_str(enum xfs_metafile_type metatype);
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/* All metadata files must have these flags set. */
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#define XFS_METAFILE_DIFLAGS (XFS_DIFLAG_IMMUTABLE | \
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XFS_DIFLAG_SYNC | \
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XFS_DIFLAG_NOATIME | \
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XFS_DIFLAG_NODUMP | \
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XFS_DIFLAG_NODEFRAG)
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/* All metadata directories must have these flags set. */
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#define XFS_METADIR_DIFLAGS (XFS_METAFILE_DIFLAGS | \
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XFS_DIFLAG_NOSYMLINKS)
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void xfs_metafile_set_iflag(struct xfs_trans *tp, struct xfs_inode *ip,
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enum xfs_metafile_type metafile_type);
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void xfs_metafile_clear_iflag(struct xfs_trans *tp, struct xfs_inode *ip);
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/* Space reservations for metadata inodes. */
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struct xfs_alloc_arg;
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bool xfs_metafile_resv_critical(struct xfs_inode *ip);
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void xfs_metafile_resv_alloc_space(struct xfs_inode *ip,
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struct xfs_alloc_arg *args);
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void xfs_metafile_resv_free_space(struct xfs_inode *ip, struct xfs_trans *tp,
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xfs_filblks_t len);
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void xfs_metafile_resv_free(struct xfs_inode *ip);
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int xfs_metafile_resv_init(struct xfs_inode *ip, xfs_filblks_t ask);
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/* Code specific to kernel/userspace; must be provided externally. */
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int xfs_trans_metafile_iget(struct xfs_trans *tp, xfs_ino_t ino,
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enum xfs_metafile_type metafile_type, struct xfs_inode **ipp);
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int xfs_metafile_iget(struct xfs_mount *mp, xfs_ino_t ino,
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enum xfs_metafile_type metafile_type, struct xfs_inode **ipp);
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#endif /* __XFS_METAFILE_H__ */
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