3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: "Yan, Zheng" <zheng.z....@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....@intel.com>
Signed-off-by: Sage Weil <s...@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gre...@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) {
/*
--
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