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libceph: ceph-msgr workqueue needs a resque worker

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commit f9865f06f7 upstream.

Commit f363e45fd1 ("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>
This commit is contained in:
Ilya Dryomov 2014-10-10 16:39:05 +04:00 committed by Greg Kroah-Hartman
parent 58f382ffaf
commit f05c0daaf6
1 changed files with 2 additions and 1 deletions
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3
net/ceph/messenger.c
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@ -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;