1
linux/fs/xfs/libxfs/xfs_inode_util.h
Darrick J. Wong 1964435d19 xfs: hoist inode free function to libxfs
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>
2024-07-02 11:36:59 -07:00

63 lines
2.2 KiB
C

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