diff options
| author | Alex Elder <elder@dreamhost.com> | 2012-01-29 13:57:44 -0600 |
|---|---|---|
| committer | Alex Elder <elder@dreamhost.com> | 2012-03-22 10:47:48 -0500 |
| commit | 432b858749631dc011ac919dace4b0705ba8cecf (patch) | |
| tree | 9e16e9ac876b6d0460f40a0df832c0aa1fc8271a /drivers/block/rbd.c | |
| parent | bc534d86be71aaf8dfac46131420ab1c47387d42 (diff) | |
| download | lwn-432b858749631dc011ac919dace4b0705ba8cecf.tar.gz lwn-432b858749631dc011ac919dace4b0705ba8cecf.zip | |
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/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 20 |
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; } |