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mm: zsmalloc: constify struct zs_pool name

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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>
This commit is contained in:
Sergey SENOZHATSKY 2015-11-06 16:29:21 -08:00 committed by Linus Torvalds
parent 69e18f4dbe
commit 6f3526d6db
5 changed files with 13 additions and 11 deletions
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6
include/linux/zpool.h
View File

@ -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);

2
include/linux/zsmalloc.h
View File

@ -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);

2
mm/zbud.c
View File

@ -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)
{

4
mm/zpool.c
View File

@ -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;

10
mm/zsmalloc.c
View File

@ -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;