[thirdparty/kernel/linux.git] / include / linux / fs_stack.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_FS_STACK_H
#define _LINUX_FS_STACK_H

/* This file defines generic functions used primarily by stackable
 * filesystems; none of these functions require i_mutex to be held.
 */

#include <linux/fs.h>

/* externs for fs/stack.c */
extern void fsstack_copy_attr_all(struct inode *dest, const struct inode *src);
extern void fsstack_copy_inode_size(struct inode *dst, struct inode *src);

/* inlines */
static inline void fsstack_copy_attr_atime(struct inode *dest,
					   const struct inode *src)
{
	dest->i_atime = src->i_atime;
}

static inline void fsstack_copy_attr_times(struct inode *dest,
					   const struct inode *src)
{
	dest->i_atime = src->i_atime;
	dest->i_mtime = src->i_mtime;
	dest->i_ctime = src->i_ctime;
}

#endif /* _LINUX_FS_STACK_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
42cf1193 JJS	2	#ifndef _LINUX_FS_STACK_H
	3	#define _LINUX_FS_STACK_H
	4
	5	/* This file defines generic functions used primarily by stackable
	6	* filesystems; none of these functions require i_mutex to be held.
	7	*/
	8
	9	#include <linux/fs.h>
	10
	11	/* externs for fs/stack.c */
9afa2fb6	12	extern void fsstack_copy_attr_all(struct inode dest, const struct inode src);
1b8ab815	13	extern void fsstack_copy_inode_size(struct inode dst, struct inode src);
42cf1193 JJS	14
	15	/* inlines */
	16	static inline void fsstack_copy_attr_atime(struct inode *dest,
	17	const struct inode *src)
	18	{
	19	dest->i_atime = src->i_atime;
	20	}
	21
	22	static inline void fsstack_copy_attr_times(struct inode *dest,
	23	const struct inode *src)
	24	{
	25	dest->i_atime = src->i_atime;
	26	dest->i_mtime = src->i_mtime;
	27	dest->i_ctime = src->i_ctime;
	28	}
	29
	30	#endif /* _LINUX_FS_STACK_H */