summaryrefslogtreecommitdiff
path: root/fs/ocfs2/cluster/tcp.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ocfs2/cluster/tcp.c')
-rw-r--r--fs/ocfs2/cluster/tcp.c40
1 files changed, 16 insertions, 24 deletions
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 1bfe8802cc1e..aa88bd8bcedc 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -304,28 +304,22 @@ static u8 o2net_num_from_nn(struct o2net_node *nn)
static int o2net_prep_nsw(struct o2net_node *nn, struct o2net_status_wait *nsw)
{
- int ret = 0;
-
- do {
- if (!idr_pre_get(&nn->nn_status_idr, GFP_ATOMIC)) {
- ret = -EAGAIN;
- break;
- }
- spin_lock(&nn->nn_lock);
- ret = idr_get_new(&nn->nn_status_idr, nsw, &nsw->ns_id);
- if (ret == 0)
- list_add_tail(&nsw->ns_node_item,
- &nn->nn_status_list);
- spin_unlock(&nn->nn_lock);
- } while (ret == -EAGAIN);
+ int ret;
- if (ret == 0) {
- init_waitqueue_head(&nsw->ns_wq);
- nsw->ns_sys_status = O2NET_ERR_NONE;
- nsw->ns_status = 0;
+ spin_lock(&nn->nn_lock);
+ ret = idr_alloc(&nn->nn_status_idr, nsw, 0, 0, GFP_ATOMIC);
+ if (ret >= 0) {
+ nsw->ns_id = ret;
+ list_add_tail(&nsw->ns_node_item, &nn->nn_status_list);
}
+ spin_unlock(&nn->nn_lock);
+ if (ret < 0)
+ return ret;
- return ret;
+ init_waitqueue_head(&nsw->ns_wq);
+ nsw->ns_sys_status = O2NET_ERR_NONE;
+ nsw->ns_status = 0;
+ return 0;
}
static void o2net_complete_nsw_locked(struct o2net_node *nn,
@@ -870,7 +864,7 @@ int o2net_register_handler(u32 msg_type, u32 key, u32 max_len,
/* we've had some trouble with handlers seemingly vanishing. */
mlog_bug_on_msg(o2net_handler_tree_lookup(msg_type, key, &p,
&parent) == NULL,
- "couldn't find handler we *just* registerd "
+ "couldn't find handler we *just* registered "
"for type %u key %08x\n", msg_type, key);
}
write_unlock(&o2net_handler_lock);
@@ -1165,10 +1159,8 @@ out:
o2net_debug_del_nst(&nst); /* must be before dropping sc and node */
if (sc)
sc_put(sc);
- if (vec)
- kfree(vec);
- if (msg)
- kfree(msg);
+ kfree(vec);
+ kfree(msg);
o2net_complete_nsw(nn, &nsw, 0, 0, 0);
return ret;
}