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authorHerbert Xu <herbert@gondor.apana.org.au>2015-03-12 14:49:39 +1100
committerDavid S. Miller <davem@davemloft.net>2015-03-12 14:35:30 -0400
commiteca849333017cab1cd02c8fc9187962fa629b27d (patch)
treec3e7ef12bc272f002b448e5660c2ab849e9e689a /lib
parent8d2b18793d16e4186f00b07d031a25537c4cefb9 (diff)
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rhashtable: Use head_hashfn instead of obj_raw_hashfn
Now that we don't have cross-table hashes, we no longer need to keep the entire hash value so all users of obj_raw_hashfn can use head_hashfn instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib')
-rw-r--r--lib/rhashtable.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index ff9cc3386fc9..03fdaf869c4d 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -403,7 +403,7 @@ static bool __rhashtable_insert(struct rhashtable *ht, struct rhash_head *obj,
rcu_read_lock();
old_tbl = rht_dereference_rcu(ht->tbl, ht);
- hash = obj_raw_hashfn(ht, old_tbl, rht_obj(ht, obj));
+ hash = head_hashfn(ht, old_tbl, obj);
spin_lock_bh(bucket_lock(old_tbl, hash));
@@ -415,7 +415,7 @@ static bool __rhashtable_insert(struct rhashtable *ht, struct rhash_head *obj,
*/
tbl = rht_dereference_rcu(ht->future_tbl, ht);
if (tbl != old_tbl) {
- hash = obj_raw_hashfn(ht, tbl, rht_obj(ht, obj));
+ hash = head_hashfn(ht, tbl, obj);
spin_lock_nested(bucket_lock(tbl, hash), RHT_LOCK_NESTED);
}
@@ -428,7 +428,6 @@ static bool __rhashtable_insert(struct rhashtable *ht, struct rhash_head *obj,
no_resize_running = tbl == old_tbl;
- hash = rht_bucket_index(tbl, hash);
head = rht_dereference_bucket(tbl->buckets[hash], tbl, hash);
if (rht_is_a_nulls(head))
@@ -444,11 +443,11 @@ static bool __rhashtable_insert(struct rhashtable *ht, struct rhash_head *obj,
exit:
if (tbl != old_tbl) {
- hash = obj_raw_hashfn(ht, tbl, rht_obj(ht, obj));
+ hash = head_hashfn(ht, tbl, obj);
spin_unlock(bucket_lock(tbl, hash));
}
- hash = obj_raw_hashfn(ht, old_tbl, rht_obj(ht, obj));
+ hash = head_hashfn(ht, old_tbl, obj);
spin_unlock_bh(bucket_lock(old_tbl, hash));
rcu_read_unlock();
@@ -487,9 +486,8 @@ static bool __rhashtable_remove(struct rhashtable *ht,
unsigned hash;
bool ret = false;
- hash = obj_raw_hashfn(ht, tbl, rht_obj(ht, obj));
+ hash = head_hashfn(ht, tbl, obj);
lock = bucket_lock(tbl, hash);
- hash = rht_bucket_index(tbl, hash);
spin_lock_bh(lock);