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authorJan Blunck <jblunck@infradead.org>2010-02-24 13:25:29 +0100
committerArnd Bergmann <arnd@arndb.de>2010-10-04 21:10:36 +0200
commitb0991aa324b57dca8feef75ed75b24080ee4a9fc (patch)
tree3d67c670002bc1efe0419ca2e927bc334c73be0c /fs/cifs/cifsfs.c
parentba13d597a60a1a26614f18b76c1a2cad1a548e46 (diff)
BKL: Remove BKL from CifsFS
The BKL is only used in put_super and fill_super that are both protected by the superblocks s_umount rw_semaphore. Therefore it is safe to remove the BKL entirely. Signed-off-by: Jan Blunck <jblunck@infradead.org> Cc: Steve French <smfrench@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r--fs/cifs/cifsfs.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 070bf1aecd2d..4e273f7793f6 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -35,7 +35,6 @@
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
-#include <linux/smp_lock.h>
#include "cifsfs.h"
#include "cifspdu.h"
#define DECLARE_GLOBALS_HERE
@@ -200,8 +199,6 @@ cifs_put_super(struct super_block *sb)
return;
}
- lock_kernel();
-
rc = cifs_umount(sb, cifs_sb);
if (rc)
cERROR(1, "cifs_umount failed with return code %d", rc);
@@ -215,8 +212,6 @@ cifs_put_super(struct super_block *sb)
unload_nls(cifs_sb->local_nls);
bdi_destroy(&cifs_sb->bdi);
kfree(cifs_sb);
-
- unlock_kernel();
}
static int
@@ -516,28 +511,22 @@ cifs_get_sb(struct file_system_type *fs_type,
int rc;
struct super_block *sb;
- lock_kernel();
-
sb = sget(fs_type, NULL, set_anon_super, NULL);
cFYI(1, "Devname: %s flags: %d ", dev_name, flags);
- if (IS_ERR(sb)) {
- unlock_kernel();
+ if (IS_ERR(sb))
return PTR_ERR(sb);
- }
sb->s_flags = flags;
rc = cifs_read_super(sb, data, dev_name, flags & MS_SILENT ? 1 : 0);
if (rc) {
deactivate_locked_super(sb);
- unlock_kernel();
return rc;
}
sb->s_flags |= MS_ACTIVE;
simple_set_mnt(mnt, sb);
- unlock_kernel();
return 0;
}