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-rw-r--r--fs/dlm/lowcomms.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index f7fc1ac76ce8..6d500ebc6145 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -201,7 +201,10 @@ static struct writequeue_entry *con_next_wq(struct connection *con)
e = list_first_entry(&con->writequeue, struct writequeue_entry,
list);
- if (e->len == 0)
+ /* if len is zero nothing is to send, if there are users filling
+ * buffers we wait until the users are done so we can send more.
+ */
+ if (e->users || e->len == 0)
return NULL;
return e;