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Subject[PATCH 3.2 28/79] ceph: cleanup aborted requests when re-sending requests.
3.2.55-rc1 review patch.  If anyone has any objections, please let me know.

------------------

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
fs/ceph/mds_client.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index cf1b9e0..cd682f2 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1815,8 +1815,11 @@ static int __do_request(struct ceph_mds_client *mdsc,
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)) {


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