diff options
| author |   Jesper Dangaard Brouer <brouer@redhat.com> | 2013-01-28 23:45:51 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-01-29 13:36:24 -0500 |
| commit | 3ef0eb0db4bf92c6d2510fe5c4dc51852746f206 (patch) | |
| tree | 3f0d424f598a82eb17a5199d27fec9964513e16e /net/ipv6/reassembly.c | |
| parent | net: use lib/percpu_counter API for fragmentation mem accounting (diff) | |
| download | linux-dev-3ef0eb0db4bf92c6d2510fe5c4dc51852746f206.tar.xz linux-dev-3ef0eb0db4bf92c6d2510fe5c4dc51852746f206.zip | |
net: frag, move LRU list maintenance outside of rwlock
Updating the fragmentation queues LRU (Least-Recently-Used) list,
required taking the hash writer lock. However, the LRU list isn't
tied to the hash at all, so we can use a separate lock for it.
Original-idea-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/reassembly.c')
| -rw-r--r-- | net/ipv6/reassembly.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 18cb8defcdb2..bab2c270f292 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -341,9 +341,7 @@ found: fq->q.meat == fq->q.len) return ip6_frag_reasm(fq, prev, dev); - write_lock(&ip6_frags.lock); - list_move_tail(&fq->q.lru_list, &fq->q.net->lru_list); - write_unlock(&ip6_frags.lock); + inet_frag_lru_move(&fq->q); return -1; discard_fq: |