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Commit fc55d2c9 authored by Yan, Zheng's avatar Yan, Zheng Committed by Sage Weil
Browse files

ceph: wake up 'safe' waiters when unregistering request 



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: default avatarYan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: default avatarSage Weil <sage@inktank.com>
parent eb1b8af3

fs/ceph/mds_client.c

+2 −1
Original line number Diff line number Diff line
@@ -644,6 +644,8 @@ static void __unregister_request(struct ceph_mds_client *mdsc, 
		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) {

			/*