linux/include/linux/fileattr.h

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _LINUX_FILEATTR_H
#define _LINUX_FILEATTR_H

/* Flags shared betwen flags/xflags */
#define FS_COMMON_FL …

#define FS_XFLAG_COMMON …

/*
 * Merged interface for miscellaneous file attributes.  'flags' originates from
 * ext* and 'fsx_flags' from xfs.  There's some overlap between the two, which
 * is handled by the VFS helpers, so filesystems are free to implement just one
 * or both of these sub-interfaces.
 */
struct fileattr { … };

int copy_fsxattr_to_user(const struct fileattr *fa, struct fsxattr __user *ufa);

void fileattr_fill_xflags(struct fileattr *fa, u32 xflags);
void fileattr_fill_flags(struct fileattr *fa, u32 flags);

/**
 * fileattr_has_fsx - check for extended flags/attributes
 * @fa:		fileattr pointer
 *
 * Return: true if any attributes are present that are not represented in
 * ->flags.
 */
static inline bool fileattr_has_fsx(const struct fileattr *fa)
{ … }

int vfs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
int vfs_fileattr_set(struct mnt_idmap *idmap, struct dentry *dentry,
		     struct fileattr *fa);

#endif /* _LINUX_FILEATTR_H */