[CIFS] BKL-removal: convert CIFS over to unlocked_ioctl

cifs_ioctl doesn't seem to need the BKL for anything, so convert it over
to use unlocked_ioctl.

Signed-off-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 5c792df..0088a5b 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -30,9 +30,9 @@
 
 #define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2)
 
-int cifs_ioctl(struct inode *inode, struct file *filep,
-		unsigned int command, unsigned long arg)
+long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
 {
+	struct inode *inode = filep->f_dentry->d_inode;
 	int rc = -ENOTTY; /* strange error - but the precedent */
 	int xid;
 	struct cifs_sb_info *cifs_sb;