mm: zpool: constify the zpool_ops
The structure zpool_ops is not modified so make the pointer to it a
pointer to const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/zpool.h b/include/linux/zpool.h
index d30eff3..c924a28 100644
--- a/include/linux/zpool.h
+++ b/include/linux/zpool.h
@@ -37,7 +37,7 @@
};
struct zpool *zpool_create_pool(char *type, char *name,
- gfp_t gfp, struct zpool_ops *ops);
+ gfp_t gfp, const struct zpool_ops *ops);
char *zpool_get_type(struct zpool *pool);
@@ -81,7 +81,7 @@
atomic_t refcount;
struct list_head list;
- void *(*create)(char *name, gfp_t gfp, struct zpool_ops *ops,
+ void *(*create)(char *name, gfp_t gfp, const struct zpool_ops *ops,
struct zpool *zpool);
void (*destroy)(void *pool);
diff --git a/mm/zbud.c b/mm/zbud.c
index f3bf6f7..6f8158d 100644
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -99,7 +99,7 @@
struct zbud_ops *ops;
#ifdef CONFIG_ZPOOL
struct zpool *zpool;
- struct zpool_ops *zpool_ops;
+ const struct zpool_ops *zpool_ops;
#endif
};
@@ -138,7 +138,7 @@
};
static void *zbud_zpool_create(char *name, gfp_t gfp,
- struct zpool_ops *zpool_ops,
+ const struct zpool_ops *zpool_ops,
struct zpool *zpool)
{
struct zbud_pool *pool;
diff --git a/mm/zpool.c b/mm/zpool.c
index 722a4f6..951db32 100644
--- a/mm/zpool.c
+++ b/mm/zpool.c
@@ -22,7 +22,7 @@
struct zpool_driver *driver;
void *pool;
- struct zpool_ops *ops;
+ const struct zpool_ops *ops;
struct list_head list;
};
@@ -115,7 +115,7 @@
* Returns: New zpool on success, NULL on failure.
*/
struct zpool *zpool_create_pool(char *type, char *name, gfp_t gfp,
- struct zpool_ops *ops)
+ const struct zpool_ops *ops)
{
struct zpool_driver *driver;
struct zpool *zpool;
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 0891204..f135b1b 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -311,7 +311,8 @@
#ifdef CONFIG_ZPOOL
-static void *zs_zpool_create(char *name, gfp_t gfp, struct zpool_ops *zpool_ops,
+static void *zs_zpool_create(char *name, gfp_t gfp,
+ const struct zpool_ops *zpool_ops,
struct zpool *zpool)
{
return zs_create_pool(name, gfp);
diff --git a/mm/zswap.c b/mm/zswap.c
index 09208c7c..48a1d08 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -755,7 +755,7 @@
zswap_trees[type] = NULL;
}
-static struct zpool_ops zswap_zpool_ops = {
+static const struct zpool_ops zswap_zpool_ops = {
.evict = zswap_writeback_entry
};