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authorJ. Bruce Fields <bfields@redhat.com>2012-03-21 16:42:14 -0400
committerJ. Bruce Fields <bfields@redhat.com>2012-03-26 11:48:54 -0400
commit1df00640c9111c881633d9b219f18e66c52599ec (patch)
treee36d3924d84f47ec93f6650ff1fd5b8ea7d10d24 /drivers/block/rbd.c
parentab4684d1560f8d77f6ce82bd3f1f82937070d397 (diff)
parent5a7c9eec9fde1da0e3adf0a4ddb64ff2a324a492 (diff)
Merge nfs containerization work from Trond's tree
The nfs containerization work is a prerequisite for Jeff Layton's reboot recovery rework.
Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r--drivers/block/rbd.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 3fd31dec8c9c..a6278e7e61a0 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -380,6 +380,7 @@ static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr,
rbdc = __rbd_client_find(opt);
if (rbdc) {
ceph_destroy_options(opt);
+ kfree(rbd_opts);
/* using an existing client */
kref_get(&rbdc->kref);
@@ -406,15 +407,15 @@ done_err:
/*
* Destroy ceph client
+ *
+ * Caller must hold node_lock.
*/
static void rbd_client_release(struct kref *kref)
{
struct rbd_client *rbdc = container_of(kref, struct rbd_client, kref);
dout("rbd_release_client %p\n", rbdc);
- spin_lock(&node_lock);
list_del(&rbdc->node);
- spin_unlock(&node_lock);
ceph_destroy_client(rbdc->client);
kfree(rbdc->rbd_opts);
@@ -427,7 +428,9 @@ static void rbd_client_release(struct kref *kref)
*/
static void rbd_put_client(struct rbd_device *rbd_dev)
{
+ spin_lock(&node_lock);
kref_put(&rbd_dev->rbd_client->kref, rbd_client_release);
+ spin_unlock(&node_lock);
rbd_dev->rbd_client = NULL;
rbd_dev->client = NULL;
}