mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 11:19:37 +00:00
![Erez Zadok](/assets/img/avatar_default.png)
Copy the inode size and blocks from one inode to another correctly on 32-bit systems with CONFIG_SMP, CONFIG_PREEMPT, or CONFIG_LBDAF. Use proper inode spinlocks only when i_size/i_blocks cannot fit in one 32-bit word. Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk> Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
29 lines
772 B
C
29 lines
772 B
C
#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 */
|