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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: Yan, Zheng <zheng.z.yan@intel.com> Signed-off-by: Sage Weil <sage@inktank.com>
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1 changed files with 2 additions and 1 deletions
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@ -644,6 +644,8 @@ static void __unregister_request(struct ceph_mds_client *mdsc,
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req->r_unsafe_dir = NULL;
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}
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complete_all(&req->r_safe_completion);
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ceph_mdsc_put_request(req);
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}
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@ -2186,7 +2188,6 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
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if (head->safe) {
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req->r_got_safe = true;
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__unregister_request(mdsc, req);
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complete_all(&req->r_safe_completion);
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if (req->r_got_unsafe) {
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/*
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