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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2015-09-08 15:05:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-08 15:35:28 -0700
commit786727799a85aeabc20cab5ecfb72771bcbd6b85 (patch)
tree706c7ffbadf27ddfe5a633bd3032c35428a1e8ec
parent5b999aadbae65696a148f55250d94b6f3d74071e (diff)
downloadlinux-786727799a85aeabc20cab5ecfb72771bcbd6b85.tar.bz2
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>
-rw-r--r--include/linux/zpool.h4
-rw-r--r--mm/zbud.c4
-rw-r--r--mm/zpool.c4
-rw-r--r--mm/zsmalloc.c3
-rw-r--r--mm/zswap.c2
5 files changed, 9 insertions, 8 deletions
diff --git a/include/linux/zpool.h b/include/linux/zpool.h
index d30eff3d84d5..c924a28d9805 100644
--- a/include/linux/zpool.h
+++ b/include/linux/zpool.h
@@ -37,7 +37,7 @@ enum zpool_mapmode {
};
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 @@ struct zpool_driver {
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 f3bf6f7627d8..6f8158d64864 100644
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -99,7 +99,7 @@ struct zbud_pool {
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 struct zbud_ops zbud_zpool_ops = {
};
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 722a4f60e90b..951db32b833f 100644
--- a/mm/zpool.c
+++ b/mm/zpool.c
@@ -22,7 +22,7 @@ struct zpool {
struct zpool_driver *driver;
void *pool;
- struct zpool_ops *ops;
+ const struct zpool_ops *ops;
struct list_head list;
};
@@ -115,7 +115,7 @@ static void zpool_put_driver(struct zpool_driver *driver)
* 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 089120429c18..f135b1b6fcdc 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -311,7 +311,8 @@ static void record_obj(unsigned long handle, unsigned long obj)
#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 09208c7c86f3..48a1d081e2a5 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -755,7 +755,7 @@ static void zswap_frontswap_invalidate_area(unsigned type)
zswap_trees[type] = NULL;
}
-static struct zpool_ops zswap_zpool_ops = {
+static const struct zpool_ops zswap_zpool_ops = {
.evict = zswap_writeback_entry
};