include/linux/fs_stack.h

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