luck/tmp_suning_uos_patched
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BKL: Remove BKL from afs

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The BKL is only used in put_super and fill_super, which are both protected
by the superblocks s_umount rw_semaphore. Therefore it is safe to remove
the BKL entirely.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-afs@lists.infradead.org
Cc: David Howells <dhowells@redhat.com>
This commit is contained in:
Arnd Bergmann 2010-09-16 15:35:54 +02:00
parent cdbd2b013d
commit 77f2fe036c
1 changed files with 0 additions and 10 deletions
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10
fs/afs/super.c
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@ -19,7 +19,6 @@
#include <linux/mount.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/parser.h>
@ -302,15 +301,12 @@ static int afs_fill_super(struct super_block *sb, void *data)
struct inode *inode = NULL;
int ret;
lock_kernel();
_enter("");
/* allocate a superblock info record */
as = kzalloc(sizeof(struct afs_super_info), GFP_KERNEL);
if (!as) {
_leave(" = -ENOMEM");
unlock_kernel();
return -ENOMEM;
}
@ -344,7 +340,6 @@ static int afs_fill_super(struct super_block *sb, void *data)
sb->s_root = root;
_leave(" = 0");
unlock_kernel();
return 0;
error_inode:
@ -358,7 +353,6 @@ static int afs_fill_super(struct super_block *sb, void *data)
sb->s_fs_info = NULL;
_leave(" = %d", ret);
unlock_kernel();
return ret;
}
@ -458,12 +452,8 @@ static void afs_put_super(struct super_block *sb)
_enter("");
lock_kernel();
afs_put_volume(as->volume);
unlock_kernel();
_leave("");
}