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authorIlya Dryomov <idryomov@redhat.com>2014-10-10 16:39:05 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-14 08:48:01 -0800
commitf05c0daaf68e424d05d271c7fb2fbfd5750a315e (patch)
tree25cd9204376d2fa9166783d69283a10b7637554d
parent58f382ffaf2570032da636a348aa6c045a166f4e (diff)
libceph: ceph-msgr workqueue needs a resque worker
commit f9865f06f7f18c6661c88d0511f05c48612319cc upstream. Commit f363e45fd118 ("net/ceph: make ceph_msgr_wq non-reentrant") effectively removed WQ_MEM_RECLAIM flag from ceph_msgr_wq. This is wrong - libceph is very much a memory reclaim path, so restore it. Signed-off-by: Ilya Dryomov <idryomov@redhat.com> Tested-by: Micha Krause <micha@krausam.de> Reviewed-by: Sage Weil <sage@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/ceph/messenger.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 66e77f380fce..e3bea2e0821a 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -290,7 +290,8 @@ int ceph_msgr_init(void)
if (ceph_msgr_slab_init())
return -ENOMEM;
- ceph_msgr_wq = alloc_workqueue("ceph-msgr", WQ_NON_REENTRANT, 0);
+ ceph_msgr_wq = alloc_workqueue("ceph-msgr",
+ WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0);
if (ceph_msgr_wq)
return 0;