make vfs_ioctl() static

Make the needlessly global vfs_ioctl() static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ioctl.c

@@ -28,7 +28,7 @@
  *
  * Returns 0 on success, -errno on error.
  */
-long vfs_ioctl(struct file *filp, unsigned int cmd,
+static long vfs_ioctl(struct file *filp, unsigned int cmd,
 		      unsigned long arg)
 {
 	int error = -ENOTTY;

include/linux/fs.h

@@ -1964,7 +1964,6 @@ extern int vfs_stat_fd(int dfd, char __user *, struct kstat *);
 extern int vfs_lstat_fd(int dfd, char __user *, struct kstat *);
 extern int vfs_fstat(unsigned int, struct kstat *);
 
-extern long vfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
 		    unsigned long arg);