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authorAlex Elder <elder@dreamhost.com>2012-01-29 13:57:44 -0600
committerAlex Elder <elder@dreamhost.com>2012-03-22 10:47:47 -0500
commite6994d3ddedf1a9f35cb43655bb4b5810e71199a (patch)
tree0e0af19765412596516550b3a95c32ff67be6d47 /drivers/block/rbd.c
parentd184f6bfde1428ad4a690d49b28afc9ab4d57b35 (diff)
rbd: release client list lock sooner
In rbd_get_client(), if a client is reused, a number of things get done while still holding the list lock unnecessarily. This just moves a few things that need no lock protection outside the lock. Signed-off-by: Alex Elder <elder@dreamhost.com> Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r--drivers/block/rbd.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 9ac1484a95a..bccd350a032 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -383,13 +383,15 @@ static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr,
spin_lock(&node_lock);
rbdc = __rbd_client_find(opt);
if (rbdc) {
- ceph_destroy_options(opt);
- kfree(rbd_opts);
-
/* using an existing client */
kref_get(&rbdc->kref);
- rbd_dev->rbd_client = rbdc;
spin_unlock(&node_lock);
+
+ rbd_dev->rbd_client = rbdc;
+
+ ceph_destroy_options(opt);
+ kfree(rbd_opts);
+
return 0;
}
spin_unlock(&node_lock);