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authorStanislav Kinsbursky <skinsbursky@parallels.com>2012-04-25 18:23:09 +0400
committerJ. Bruce Fields <bfields@redhat.com>2012-05-31 20:29:44 -0400
commit3d1221dfa95ca876535c5947626f3834343e8fbc (patch)
treee5a9f3d51b287129d9dc2599a524a752a2fdbadd /fs/lockd/svc.c
parent7d13ec761ae45d5e401965c73d855840ff8cdd23 (diff)
LockD: service start function introduced
This is just a code move, which from my POV makes the code look better. I.e. now on start we have 3 different stages: 1) Service creation. 2) Service per-net data allocation. 3) Service start. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/lockd/svc.c')
-rw-r--r--fs/lockd/svc.c67
1 files changed, 42 insertions, 25 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 53cd69ef2ad..b47bf775500 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -291,6 +291,46 @@ static void lockd_down_net(struct svc_serv *serv, struct net *net)
}
}
+static int lockd_start_svc(struct svc_serv *serv)
+{
+ int error;
+
+ if (nlmsvc_rqst)
+ return 0;
+
+ /*
+ * Create the kernel thread and wait for it to start.
+ */
+ nlmsvc_rqst = svc_prepare_thread(serv, &serv->sv_pools[0], NUMA_NO_NODE);
+ if (IS_ERR(nlmsvc_rqst)) {
+ error = PTR_ERR(nlmsvc_rqst);
+ printk(KERN_WARNING
+ "lockd_up: svc_rqst allocation failed, error=%d\n",
+ error);
+ goto out_rqst;
+ }
+
+ svc_sock_update_bufs(serv);
+ serv->sv_maxconn = nlm_max_connections;
+
+ nlmsvc_task = kthread_run(lockd, nlmsvc_rqst, serv->sv_name);
+ if (IS_ERR(nlmsvc_task)) {
+ error = PTR_ERR(nlmsvc_task);
+ printk(KERN_WARNING
+ "lockd_up: kthread_run failed, error=%d\n", error);
+ goto out_task;
+ }
+ dprintk("lockd_up: service started\n");
+ return 0;
+
+out_task:
+ svc_exit_thread(nlmsvc_rqst);
+ nlmsvc_task = NULL;
+out_rqst:
+ nlmsvc_rqst = NULL;
+ return error;
+}
+
static struct svc_serv *lockd_create_svc(void)
{
struct svc_serv *serv;
@@ -343,32 +383,9 @@ int lockd_up(struct net *net)
if (error < 0)
goto err_net;
- /*
- * Create the kernel thread and wait for it to start.
- */
- nlmsvc_rqst = svc_prepare_thread(serv, &serv->sv_pools[0], NUMA_NO_NODE);
- if (IS_ERR(nlmsvc_rqst)) {
- error = PTR_ERR(nlmsvc_rqst);
- nlmsvc_rqst = NULL;
- printk(KERN_WARNING
- "lockd_up: svc_rqst allocation failed, error=%d\n",
- error);
- goto err_start;
- }
-
- svc_sock_update_bufs(serv);
- serv->sv_maxconn = nlm_max_connections;
-
- nlmsvc_task = kthread_run(lockd, nlmsvc_rqst, serv->sv_name);
- if (IS_ERR(nlmsvc_task)) {
- error = PTR_ERR(nlmsvc_task);
- svc_exit_thread(nlmsvc_rqst);
- nlmsvc_task = NULL;
- nlmsvc_rqst = NULL;
- printk(KERN_WARNING
- "lockd_up: kthread_run failed, error=%d\n", error);
+ error = lockd_start_svc(serv);
+ if (error < 0)
goto err_start;
- }
nlmsvc_users++;
/*