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>hifive-unleashed-5.1
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5b999aadba
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786727799a
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@ -37,7 +37,7 @@ enum zpool_mapmode {
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};
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};
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struct zpool *zpool_create_pool(char *type, char *name,
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struct zpool *zpool_create_pool(char *type, char *name,
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gfp_t gfp, struct zpool_ops *ops);
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gfp_t gfp, const struct zpool_ops *ops);
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char *zpool_get_type(struct zpool *pool);
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char *zpool_get_type(struct zpool *pool);
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@ -81,7 +81,7 @@ struct zpool_driver {
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atomic_t refcount;
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atomic_t refcount;
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struct list_head list;
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struct list_head list;
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void *(*create)(char *name, gfp_t gfp, struct zpool_ops *ops,
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void *(*create)(char *name, gfp_t gfp, const struct zpool_ops *ops,
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struct zpool *zpool);
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struct zpool *zpool);
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void (*destroy)(void *pool);
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void (*destroy)(void *pool);
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@ -99,7 +99,7 @@ struct zbud_pool {
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struct zbud_ops *ops;
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struct zbud_ops *ops;
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#ifdef CONFIG_ZPOOL
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#ifdef CONFIG_ZPOOL
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struct zpool *zpool;
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struct zpool *zpool;
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struct zpool_ops *zpool_ops;
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const struct zpool_ops *zpool_ops;
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#endif
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#endif
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};
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};
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@ -138,7 +138,7 @@ static struct zbud_ops zbud_zpool_ops = {
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};
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};
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static void *zbud_zpool_create(char *name, gfp_t gfp,
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static void *zbud_zpool_create(char *name, gfp_t gfp,
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struct zpool_ops *zpool_ops,
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const struct zpool_ops *zpool_ops,
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struct zpool *zpool)
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struct zpool *zpool)
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{
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{
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struct zbud_pool *pool;
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struct zbud_pool *pool;
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@ -22,7 +22,7 @@ struct zpool {
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struct zpool_driver *driver;
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struct zpool_driver *driver;
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void *pool;
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void *pool;
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struct zpool_ops *ops;
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const struct zpool_ops *ops;
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struct list_head list;
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struct list_head list;
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};
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};
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@ -115,7 +115,7 @@ static void zpool_put_driver(struct zpool_driver *driver)
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* Returns: New zpool on success, NULL on failure.
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* Returns: New zpool on success, NULL on failure.
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*/
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*/
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struct zpool *zpool_create_pool(char *type, char *name, gfp_t gfp,
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struct zpool *zpool_create_pool(char *type, char *name, gfp_t gfp,
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struct zpool_ops *ops)
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const struct zpool_ops *ops)
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{
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{
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struct zpool_driver *driver;
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struct zpool_driver *driver;
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struct zpool *zpool;
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struct zpool *zpool;
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@ -311,7 +311,8 @@ static void record_obj(unsigned long handle, unsigned long obj)
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#ifdef CONFIG_ZPOOL
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#ifdef CONFIG_ZPOOL
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static void *zs_zpool_create(char *name, gfp_t gfp, struct zpool_ops *zpool_ops,
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static void *zs_zpool_create(char *name, gfp_t gfp,
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const struct zpool_ops *zpool_ops,
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struct zpool *zpool)
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struct zpool *zpool)
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{
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{
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return zs_create_pool(name, gfp);
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return zs_create_pool(name, gfp);
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@ -755,7 +755,7 @@ static void zswap_frontswap_invalidate_area(unsigned type)
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zswap_trees[type] = NULL;
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zswap_trees[type] = NULL;
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}
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}
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static struct zpool_ops zswap_zpool_ops = {
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static const struct zpool_ops zswap_zpool_ops = {
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.evict = zswap_writeback_entry
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.evict = zswap_writeback_entry
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};
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};
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