From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
We also need to wake up 'safe' waiters if error occurs or request
aborted. Otherwise sync(2)/fsync(2) may hang forever.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
fs/ceph/mds_client.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 8ef7926..cb6a7ae 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -643,6 +643,8 @@ static void __unregister_request(struct ceph_mds_client *mdsc,
iput(req->r_unsafe_dir);
req->r_unsafe_dir = NULL;
}
+
+ complete_all(&req->r_safe_completion);
ceph_mdsc_put_request(req);
}
@@ -2186,7 +2188,6 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
if (head->safe) {
req->r_got_safe = true;
__unregister_request(mdsc, req);
- complete_all(&req->r_safe_completion);
if (req->r_got_unsafe) {
/*
--
1.8.1.4
--
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