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                                 int (*get_nlinks)(struct inode *));
  13
  14 extern void fsstack_copy_inode_size(struct inode *dst, const struct inode *src);
  15
  16 /* inlines */
  17 static inline void fsstack_copy_attr_atime(struct inode *dest,
  18                                            const struct inode *src)
  19 {
  20         dest->i_atime = src->i_atime;
  21 }
  22
  23 static inline void fsstack_copy_attr_times(struct inode *dest,
  24                                            const struct inode *src)
  25 {
  26         dest->i_atime = src->i_atime;
  27         dest->i_mtime = src->i_mtime;
  28         dest->i_ctime = src->i_ctime;
  29 }
  30
  31 #endif /* _LINUX_FS_STACK_H */