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authorSergey SENOZHATSKY <sergey.senozhatsky@gmail.com>2015-11-07 03:29:21 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-07 04:50:42 +0300
commit6f3526d6db7cbe8b53e42d6bf0cad2072afcf3fe (patch)
treecb5743f33e0db27030a376cbe4f7d918b53b9e0a
parent69e18f4dbedfbf208452e9da9979c92da30d2442 (diff)
downloadlinux-6f3526d6db7cbe8b53e42d6bf0cad2072afcf3fe.tar.xz
mm: zsmalloc: constify struct zs_pool name
Constify `struct zs_pool' ->name. [akpm@inux-foundation.org: constify zpool_create_pool()'s `type' arg also] Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Dan Streetman <ddstreet@ieee.org> Cc: Minchan Kim <minchan@kernel.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.h6
-rw-r--r--include/linux/zsmalloc.h2
-rw-r--r--mm/zbud.c2
-rw-r--r--mm/zpool.c4
-rw-r--r--mm/zsmalloc.c10
5 files changed, 13 insertions, 11 deletions
diff --git a/include/linux/zpool.h b/include/linux/zpool.h
index 1f405bee3cd5..2e97b7707dff 100644
--- a/include/linux/zpool.h
+++ b/include/linux/zpool.h
@@ -38,7 +38,7 @@ enum zpool_mapmode {
bool zpool_has_pool(char *type);
-struct zpool *zpool_create_pool(char *type, char *name,
+struct zpool *zpool_create_pool(const char *type, const char *name,
gfp_t gfp, const struct zpool_ops *ops);
const char *zpool_get_type(struct zpool *pool);
@@ -83,7 +83,9 @@ struct zpool_driver {
atomic_t refcount;
struct list_head list;
- void *(*create)(char *name, gfp_t gfp, const struct zpool_ops *ops,
+ void *(*create)(const char *name,
+ gfp_t gfp,
+ const struct zpool_ops *ops,
struct zpool *zpool);
void (*destroy)(void *pool);
diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h
index 6398dfae53f1..34eb16098a33 100644
--- a/include/linux/zsmalloc.h
+++ b/include/linux/zsmalloc.h
@@ -41,7 +41,7 @@ struct zs_pool_stats {
struct zs_pool;
-struct zs_pool *zs_create_pool(char *name, gfp_t flags);
+struct zs_pool *zs_create_pool(const char *name, gfp_t flags);
void zs_destroy_pool(struct zs_pool *pool);
unsigned long zs_malloc(struct zs_pool *pool, size_t size);
diff --git a/mm/zbud.c b/mm/zbud.c
index fa48bcdff9d5..d8a181fd779b 100644
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -137,7 +137,7 @@ static const struct zbud_ops zbud_zpool_ops = {
.evict = zbud_zpool_evict
};
-static void *zbud_zpool_create(char *name, gfp_t gfp,
+static void *zbud_zpool_create(const char *name, gfp_t gfp,
const struct zpool_ops *zpool_ops,
struct zpool *zpool)
{
diff --git a/mm/zpool.c b/mm/zpool.c
index 13f524dcf215..fd3ff719c32c 100644
--- a/mm/zpool.c
+++ b/mm/zpool.c
@@ -72,7 +72,7 @@ int zpool_unregister_driver(struct zpool_driver *driver)
EXPORT_SYMBOL(zpool_unregister_driver);
/* this assumes @type is null-terminated. */
-static struct zpool_driver *zpool_get_driver(char *type)
+static struct zpool_driver *zpool_get_driver(const char *type)
{
struct zpool_driver *driver;
@@ -150,7 +150,7 @@ 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, const char *name, gfp_t gfp,
const struct zpool_ops *ops)
{
struct zpool_driver *driver;
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index f135b1b6fcdc..8b8e0dac0a2a 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -237,7 +237,7 @@ struct link_free {
};
struct zs_pool {
- char *name;
+ const char *name;
struct size_class **size_class;
struct kmem_cache *handle_cachep;
@@ -311,7 +311,7 @@ static void record_obj(unsigned long handle, unsigned long obj)
#ifdef CONFIG_ZPOOL
-static void *zs_zpool_create(char *name, gfp_t gfp,
+static void *zs_zpool_create(const char *name, gfp_t gfp,
const struct zpool_ops *zpool_ops,
struct zpool *zpool)
{
@@ -548,7 +548,7 @@ static const struct file_operations zs_stat_size_ops = {
.release = single_release,
};
-static int zs_pool_stat_create(char *name, struct zs_pool *pool)
+static int zs_pool_stat_create(const char *name, struct zs_pool *pool)
{
struct dentry *entry;
@@ -588,7 +588,7 @@ static void __exit zs_stat_exit(void)
{
}
-static inline int zs_pool_stat_create(char *name, struct zs_pool *pool)
+static inline int zs_pool_stat_create(const char *name, struct zs_pool *pool)
{
return 0;
}
@@ -1866,7 +1866,7 @@ static int zs_register_shrinker(struct zs_pool *pool)
* On success, a pointer to the newly created pool is returned,
* otherwise NULL.
*/
-struct zs_pool *zs_create_pool(char *name, gfp_t flags)
+struct zs_pool *zs_create_pool(const char *name, gfp_t flags)
{
int i;
struct zs_pool *pool;