From: Adrian Bunk <bunk@kernel.org>

cont_expand_zero() can become static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/buffer.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN fs/buffer.c~make-fs-bufferccont_expand_zero-static fs/buffer.c
--- a/fs/buffer.c~make-fs-bufferccont_expand_zero-static
+++ a/fs/buffer.c
@@ -2197,8 +2197,8 @@ out:
 	return err;
 }
 
-int cont_expand_zero(struct file *file, struct address_space *mapping,
-			loff_t pos, loff_t *bytes)
+static int cont_expand_zero(struct file *file, struct address_space *mapping,
+			    loff_t pos, loff_t *bytes)
 {
 	struct inode *inode = mapping->host;
 	unsigned blocksize = 1 << inode->i_blkbits;
_