--- /dev/null
+From eb1b8af33c2e42a9a57fc0a7588f4a7b255d2e79 Mon Sep 17 00:00:00 2001
+From: "Yan, Zheng" <zheng.z.yan@intel.com>
+Date: Thu, 26 Sep 2013 14:25:36 +0800
+Subject: ceph: cleanup aborted requests when re-sending requests.
+
+From: "Yan, Zheng" <zheng.z.yan@intel.com>
+
+commit eb1b8af33c2e42a9a57fc0a7588f4a7b255d2e79 upstream.
+
+Aborted requests usually get cleared when the reply is received.
+If MDS crashes, no reply will be received. So we need to cleanup
+aborted requests when re-sending requests.
+
+Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
+Reviewed-by: Greg Farnum <greg@inktank.com>
+Signed-off-by: Sage Weil <sage@inktank.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ fs/ceph/mds_client.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/fs/ceph/mds_client.c
++++ b/fs/ceph/mds_client.c
+@@ -1840,8 +1840,11 @@ static int __do_request(struct ceph_mds_
+ int mds = -1;
+ int err = -EAGAIN;
+
+- if (req->r_err || req->r_got_result)
++ if (req->r_err || req->r_got_result) {
++ if (req->r_aborted)
++ __unregister_request(mdsc, req);
+ goto out;
++ }
+
+ if (req->r_timeout &&
+ time_after_eq(jiffies, req->r_started + req->r_timeout)) {
--- /dev/null
+From fc55d2c9448b34218ca58733a6f51fbede09575b Mon Sep 17 00:00:00 2001
+From: "Yan, Zheng" <zheng.z.yan@intel.com>
+Date: Thu, 31 Oct 2013 09:10:47 +0800
+Subject: ceph: wake up 'safe' waiters when unregistering request
+
+From: "Yan, Zheng" <zheng.z.yan@intel.com>
+
+commit fc55d2c9448b34218ca58733a6f51fbede09575b upstream.
+
+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>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ fs/ceph/mds_client.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/fs/ceph/mds_client.c
++++ b/fs/ceph/mds_client.c
+@@ -639,6 +639,8 @@ static void __unregister_request(struct
+ req->r_unsafe_dir = NULL;
+ }
+
++ complete_all(&req->r_safe_completion);
++
+ ceph_mdsc_put_request(req);
+ }
+
+@@ -2154,7 +2156,6 @@ static void handle_reply(struct ceph_mds
+ if (head->safe) {
+ req->r_got_safe = true;
+ __unregister_request(mdsc, req);
+- complete_all(&req->r_safe_completion);
+
+ if (req->r_got_unsafe) {
+ /*
usb-serial-fix-race-in-generic-write.patch
+ceph-cleanup-aborted-requests-when-re-sending-requests.patch
+ceph-wake-up-safe-waiters-when-unregistering-request.patch