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fs: {lock,unlock}_flocks() stubs to prepare for BKL removal

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The lock structs are currently protected by the BKL, but are accessed by
code in fs/locks.c and misc file system and DLM code.  These stubs will
allow all users to switch to the new interface before the implementation
is changed to a spinlock.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sage Weil 2010-09-21 14:35:37 -07:00 committed by Linus Torvalds
parent 1ce1e41c1b
commit 8b15575cae
1 changed files with 4 additions and 0 deletions
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4
include/linux/fs.h
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@ -1093,6 +1093,10 @@ struct file_lock {
#include <linux/fcntl.h>
/* temporary stubs for BKL removal */
#define lock_flocks() lock_kernel()
#define unlock_flocks() unlock_kernel()
extern void send_sigio(struct fown_struct *fown, int fd, int band);
#ifdef CONFIG_FILE_LOCKING