[RFC PATCH miklos-vfs] ovl: ovl_ioctl() can be static

[kbuild test robot <lkp@intel.com>]

Fixes: f8395fc9f072 ("ovl: readd lsattr/chattr support")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---
 file.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index 24674cf..a8e8a1d 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -312,7 +312,7 @@ static long ovl_real_ioctl(struct file *file, unsigned int cmd,
 	return ret;
 }
 
-long ovl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static long ovl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	long ret;
 	struct inode *inode = file_inode(file);