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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-03-12 03:47:13 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-12 03:53:40 (GMT) |
| commit | 84ed82b74dcb23d96cee2987612a677ffd2b5470 (patch) | |
| tree | a0ba6ab14a337c5d3a22c8ac451b8265f1de1348 | |
| parent | d77c555d325d6ece7d352995c97460988c152f58 (diff) | |
| download | linux-84ed82b74dcb23d96cee2987612a677ffd2b5470.tar.xz | |
rhashtable: Add annotation to nested lock
Commit aa34a6cb0478842452bac58edb50d3ef9e178c92 ("rhashtable:
Add arbitrary rehash function") killed the annotation on the
nested lock which leads to bitching from lockdep.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | lib/rhashtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index b1c19c5..d7f3db5 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -234,7 +234,7 @@ static int rhashtable_rehash_one(struct rhashtable *ht, unsigned old_hash) new_bucket_lock = bucket_lock(new_tbl, new_hash); - spin_lock(new_bucket_lock); + spin_lock_nested(new_bucket_lock, RHT_LOCK_NESTED); head = rht_dereference_bucket(new_tbl->buckets[new_hash], new_tbl, new_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)); - spin_lock(bucket_lock(tbl, hash)); + spin_lock_nested(bucket_lock(tbl, hash), RHT_LOCK_NESTED); } if (compare && |