const: mark remaining address_space_operations const

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 8b8192790011..6c4173146bb7 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -772,7 +772,7 @@ static void btree_invalidatepage(struct page *page, unsigned long offset)
         }
 }
 
-static struct address_space_operations btree_aops = {
+static const struct address_space_operations btree_aops = {
         .readpage       = btree_readpage,
         .writepage      = btree_writepage,
         .writepages     = btree_writepages,