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>
This commit is contained in:
Krzysztof Kozlowski 2015-09-08 15:05:03 -07:00 committed by Linus Torvalds
parent 5b999aadba
commit 786727799a
5 changed files with 9 additions and 8 deletions

View File

@ -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);

View File

@ -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;

View File

@ -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;

View File

@ -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);

View File

@ -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
};