linux-kernel - [PATCH 09/93] libceph: unregister request in __map

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Date:	Fri, 20 Sep 2013 13:08:04 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Jianpeng Ma <majianpeng@...il.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 09/93] libceph: unregister request in __map_request failed and nofail == false

3.8.13.10 -stable review patch.  If anyone has any objections, please let me know.

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

From: majianpeng <majianpeng@...il.com>

commit 73d9f7eef3d98c3920e144797cc1894c6b005a1e upstream.

For nofail == false request, if __map_request failed, the caller does
cleanup work, like releasing the relative pages.  It doesn't make any sense
to retry this request.

Signed-off-by: Jianpeng Ma <majianpeng@...il.com>
Reviewed-by: Sage Weil <sage@...tank.com>
[ kamal: backport to 3.8 (context) ]
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 net/ceph/osd_client.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index a5dfcb8..d62120b 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1723,6 +1723,8 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
 				dout("osdc_start_request failed map, "
 				     " will retry %lld\n", req->r_tid);
 				rc = 0;
+			} else {
+				__unregister_request(osdc, req);
 			}
 			goto out_unlock;
 		}
-- 
1.8.1.2

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