1 /* SPDX-License-Identifier: GPL-2.0 */ 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 */ 12 extern void fsstack_copy_attr_all(struct inode *dest, const struct inode *src); 13 extern void fsstack_copy_inode_size(struct inode *dst, struct inode *src); 14 15 /* inlines */ fsstack_copy_attr_atime(struct inode * dest,const struct inode * src)16static inline void fsstack_copy_attr_atime(struct inode *dest, 17 const struct inode *src) 18 { 19 dest->i_atime = src->i_atime; 20 } 21 fsstack_copy_attr_times(struct inode * dest,const struct inode * src)22static 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 */ 31