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>
diff --git a/fs/ioctl.c b/fs/ioctl.c
index f32fbde..7db32b3 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -28,8 +28,8 @@
  *
  * Returns 0 on success, -errno on error.
  */
-long vfs_ioctl(struct file *filp, unsigned int cmd,
-	       unsigned long arg)
+static long vfs_ioctl(struct file *filp, unsigned int cmd,
+		      unsigned long arg)
 {
 	int error = -ENOTTY;