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rhashtable: unexport and make rht_obj() static 

No need to export rht_obj(), all inner to outer object translations
occur internally. It was intended to be used with rht_for_each() which
now primarily serves as the iterator for rhashtable_remove_pprev() to
effectively flush and free the full table.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2014-08-13 16:38:30 +02:00 committed by David S. Miller
parent 5300fdcb7b
commit c91eee56dc
2 changed files with 1 additions and 8 deletions
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1
include/linux/rhashtable.h
View File

@ -117,7 +117,6 @@ void rhashtable_destroy(const struct rhashtable *ht);
#define rht_dereference_rcu(p, ht) \ #define rht_dereference_rcu(p, ht) \
rcu_dereference_check(p, lockdep_rht_mutex_is_held(ht)) rcu_dereference_check(p, lockdep_rht_mutex_is_held(ht))
/* Internal, use rht_obj() instead */
#define rht_entry(ptr, type, member) container_of(ptr, type, member) #define rht_entry(ptr, type, member) container_of(ptr, type, member)
#define rht_entry_safe(ptr, type, member) \ #define rht_entry_safe(ptr, type, member) \
({ \ ({ \

8
lib/rhashtable.c
View File

@ -38,16 +38,10 @@ int lockdep_rht_mutex_is_held(const struct rhashtable *ht)
EXPORT_SYMBOL_GPL(lockdep_rht_mutex_is_held); EXPORT_SYMBOL_GPL(lockdep_rht_mutex_is_held);
#endif #endif
/** static void *rht_obj(const struct rhashtable *ht, const struct rhash_head *he)
* rht_obj - cast hash head to outer object
* @ht: hash table
* @he: hashed node
*/
void *rht_obj(const struct rhashtable *ht, const struct rhash_head *he)
{ {
return (void *) he - ht->p.head_offset; return (void *) he - ht->p.head_offset;
} }
EXPORT_SYMBOL_GPL(rht_obj);
static u32 __hashfn(const struct rhashtable *ht, const void *key, static u32 __hashfn(const struct rhashtable *ht, const void *key,
u32 len, u32 hsize) u32 len, u32 hsize)