forked from mirrors/linux
1964435d19
Create a libxfs helper function that marks an inode free on disk. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef __XFS_INODE_UTIL_H__
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#define __XFS_INODE_UTIL_H__
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struct xfs_icluster;
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uint16_t xfs_flags2diflags(struct xfs_inode *ip, unsigned int xflags);
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uint64_t xfs_flags2diflags2(struct xfs_inode *ip, unsigned int xflags);
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uint32_t xfs_dic2xflags(struct xfs_inode *ip);
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uint32_t xfs_ip2xflags(struct xfs_inode *ip);
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prid_t xfs_get_initial_prid(struct xfs_inode *dp);
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/*
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* File creation context.
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*
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* Due to our only partial reliance on the VFS to propagate uid and gid values
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* according to accepted Unix behaviors, callers must initialize idmap to the
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* correct idmapping structure to get the correct inheritance behaviors when
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* XFS_MOUNT_GRPID is set.
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*
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* To create files detached from the directory tree (e.g. quota inodes), set
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* idmap to NULL. To create a tree root, set pip to NULL.
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*/
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struct xfs_icreate_args {
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struct mnt_idmap *idmap;
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struct xfs_inode *pip; /* parent inode or null */
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dev_t rdev;
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umode_t mode;
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#define XFS_ICREATE_TMPFILE (1U << 0) /* create an unlinked file */
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#define XFS_ICREATE_INIT_XATTRS (1U << 1) /* will set xattrs immediately */
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#define XFS_ICREATE_UNLINKABLE (1U << 2) /* cannot link into dir tree */
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uint16_t flags;
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};
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/*
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* Flags for xfs_trans_ichgtime().
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*/
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#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */
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#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */
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#define XFS_ICHGTIME_CREATE 0x4 /* inode create timestamp */
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#define XFS_ICHGTIME_ACCESS 0x8 /* last access timestamp */
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void xfs_trans_ichgtime(struct xfs_trans *tp, struct xfs_inode *ip, int flags);
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void xfs_inode_init(struct xfs_trans *tp, const struct xfs_icreate_args *args,
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struct xfs_inode *ip);
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int xfs_inode_uninit(struct xfs_trans *tp, struct xfs_perag *pag,
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struct xfs_inode *ip, struct xfs_icluster *xic);
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int xfs_iunlink(struct xfs_trans *tp, struct xfs_inode *ip);
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int xfs_iunlink_remove(struct xfs_trans *tp, struct xfs_perag *pag,
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struct xfs_inode *ip);
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int xfs_droplink(struct xfs_trans *tp, struct xfs_inode *ip);
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void xfs_bumplink(struct xfs_trans *tp, struct xfs_inode *ip);
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#endif /* __XFS_INODE_UTIL_H__ */
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