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authorAlex Elder <elder@dreamhost.com>2012-01-29 23:57:44 +0400
committerAlex Elder <elder@dreamhost.com>2012-03-22 19:47:48 +0400
commit432b858749631dc011ac919dace4b0705ba8cecf (patch)
tree9e16e9ac876b6d0460f40a0df832c0aa1fc8271a /drivers/block
parentbc534d86be71aaf8dfac46131420ab1c47387d42 (diff)
downloadlinux-432b858749631dc011ac919dace4b0705ba8cecf.tar.xz
rbd: rename "node_lock"
The spinlock used to protect rbd_client_list is named "node_lock". Rename it to "rbd_client_list_lock" to make it more obvious what it's for. Signed-off-by: Alex Elder <elder@dreamhost.com> Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/rbd.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 38174bffa049..92b8c374d84d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -179,8 +179,8 @@ static DEFINE_MUTEX(ctl_mutex); /* Serialize open/close/setup/teardown */
static LIST_HEAD(rbd_dev_list); /* devices */
static DEFINE_SPINLOCK(rbd_dev_list_lock);
-static LIST_HEAD(rbd_client_list); /* clients */
-static DEFINE_SPINLOCK(node_lock); /* protects client get/put */
+static LIST_HEAD(rbd_client_list); /* clients */
+static DEFINE_SPINLOCK(rbd_client_list_lock);
static int __rbd_init_snaps_header(struct rbd_device *rbd_dev);
static void rbd_dev_release(struct device *dev);
@@ -270,9 +270,9 @@ static struct rbd_client *rbd_client_create(struct ceph_options *opt,
rbdc->rbd_opts = rbd_opts;
- spin_lock(&node_lock);
+ spin_lock(&rbd_client_list_lock);
list_add_tail(&rbdc->node, &rbd_client_list);
- spin_unlock(&node_lock);
+ spin_unlock(&rbd_client_list_lock);
mutex_unlock(&ctl_mutex);
@@ -385,12 +385,12 @@ static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr,
goto done_err;
}
- spin_lock(&node_lock);
+ spin_lock(&rbd_client_list_lock);
rbdc = __rbd_client_find(opt);
if (rbdc) {
/* using an existing client */
kref_get(&rbdc->kref);
- spin_unlock(&node_lock);
+ spin_unlock(&rbd_client_list_lock);
rbd_dev->rbd_client = rbdc;
@@ -399,7 +399,7 @@ static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr,
return 0;
}
- spin_unlock(&node_lock);
+ spin_unlock(&rbd_client_list_lock);
rbdc = rbd_client_create(opt, rbd_opts);
@@ -418,7 +418,7 @@ done_err:
/*
* Destroy ceph client
*
- * Caller must hold node_lock.
+ * Caller must hold rbd_client_list_lock.
*/
static void rbd_client_release(struct kref *kref)
{
@@ -438,9 +438,9 @@ static void rbd_client_release(struct kref *kref)
*/
static void rbd_put_client(struct rbd_device *rbd_dev)
{
- spin_lock(&node_lock);
+ spin_lock(&rbd_client_list_lock);
kref_put(&rbd_dev->rbd_client->kref, rbd_client_release);
- spin_unlock(&node_lock);
+ spin_unlock(&rbd_client_list_lock);
rbd_dev->rbd_client = NULL;
}