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authorJulia Lawall <julia.lawall@lip6.fr>2016-01-21 16:47:29 +0100
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2016-01-27 09:09:57 -0500
commitb3c6de492b9ea30a8dcc535d4dc2eaaf0bb3f116 (patch)
tree66aa2045b592d7cdcf0006bc64e2786398e7615d /mm
parentafd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc (diff)
downloadlinux-linaro-stable-b3c6de492b9ea30a8dcc535d4dc2eaaf0bb3f116.tar.gz
cleancache: constify cleancache_ops structure
The cleancache_ops structure is never modified, so declare it as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'mm')
-rw-r--r--mm/cleancache.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/cleancache.c b/mm/cleancache.c
index 8fc50811119b..ba5d8f3e6d68 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -22,7 +22,7 @@
* cleancache_ops is set by cleancache_register_ops to contain the pointers
* to the cleancache "backend" implementation functions.
*/
-static struct cleancache_ops *cleancache_ops __read_mostly;
+static const struct cleancache_ops *cleancache_ops __read_mostly;
/*
* Counters available via /sys/kernel/debug/cleancache (if debugfs is
@@ -49,7 +49,7 @@ static void cleancache_register_ops_sb(struct super_block *sb, void *unused)
/*
* Register operations for cleancache. Returns 0 on success.
*/
-int cleancache_register_ops(struct cleancache_ops *ops)
+int cleancache_register_ops(const struct cleancache_ops *ops)
{
if (cmpxchg(&cleancache_ops, NULL, ops))
return -EBUSY;