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Subject[PATCH 1/2] mm:zpool: constify struct zpool type
Date
From: Sergey SENOZHATSKY <sergey.senozhatsky@gmail.com>

Constify `struct zpool' ->type.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
---
include/linux/zpool.h | 8 ++++----
mm/zpool.c | 10 +++++-----
2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/linux/zpool.h b/include/linux/zpool.h
index 42f8ec9..2c136f4 100644
--- a/include/linux/zpool.h
+++ b/include/linux/zpool.h
@@ -36,12 +36,12 @@ enum zpool_mapmode {
ZPOOL_MM_DEFAULT = ZPOOL_MM_RW
};

-bool zpool_has_pool(char *type);
+bool zpool_has_pool(const char *type);

-struct zpool *zpool_create_pool(char *type, char *name,
+struct zpool *zpool_create_pool(const char *type, char *name,
gfp_t gfp, const struct zpool_ops *ops);

-char *zpool_get_type(struct zpool *pool);
+const char *zpool_get_type(struct zpool *pool);

void zpool_destroy_pool(struct zpool *pool);

@@ -78,7 +78,7 @@ u64 zpool_get_total_size(struct zpool *pool);
* with zpool.
*/
struct zpool_driver {
- char *type;
+ const char *type;
struct module *owner;
atomic_t refcount;
struct list_head list;
diff --git a/mm/zpool.c b/mm/zpool.c
index 8f670d3..2889d0d 100644
--- a/mm/zpool.c
+++ b/mm/zpool.c
@@ -18,7 +18,7 @@
#include <linux/zpool.h>

struct zpool {
- char *type;
+ const char *type;

struct zpool_driver *driver;
void *pool;
@@ -73,7 +73,7 @@ int zpool_unregister_driver(struct zpool_driver *driver)
}
EXPORT_SYMBOL(zpool_unregister_driver);

-static struct zpool_driver *zpool_get_driver(char *type)
+static struct zpool_driver *zpool_get_driver(const char *type)
{
struct zpool_driver *driver;

@@ -115,7 +115,7 @@ static void zpool_put_driver(struct zpool_driver *driver)
*
* Returns: true if @type pool is available, false if not
*/
-bool zpool_has_pool(char *type)
+bool zpool_has_pool(const char *type)
{
struct zpool_driver *driver = zpool_get_driver(type);

@@ -147,7 +147,7 @@ EXPORT_SYMBOL(zpool_has_pool);
*
* Returns: New zpool on success, NULL on failure.
*/
-struct zpool *zpool_create_pool(char *type, char *name, gfp_t gfp,
+struct zpool *zpool_create_pool(const char *type, char *name, gfp_t gfp,
const struct zpool_ops *ops)
{
struct zpool_driver *driver;
@@ -228,7 +228,7 @@ void zpool_destroy_pool(struct zpool *zpool)
*
* Returns: The type of zpool.
*/
-char *zpool_get_type(struct zpool *zpool)
+const char *zpool_get_type(struct zpool *zpool)
{
return zpool->type;
}
--
2.5.1


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