Messages in this thread Patch in this message | | | From | Kamal Mostafa <> | Subject | [PATCH 3.13 095/105] libceph: ceph-msgr workqueue needs a resque worker | Date | Mon, 27 Oct 2014 11:57:10 -0700 |
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3.13.11.10 -stable review patch. If anyone has any objections, please let me know.
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From: Ilya Dryomov <idryomov@redhat.com>
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: Kamal Mostafa <kamal@canonical.com> --- net/ceph/messenger.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 94e21b9..057017b 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -290,7 +290,11 @@ int ceph_msgr_init(void) if (ceph_msgr_slab_init()) return -ENOMEM; - ceph_msgr_wq = alloc_workqueue("ceph-msgr", 0, 0); + /* + * The number of active work items is limited by the number of + * connections, so leave @max_active at default. + */ + ceph_msgr_wq = alloc_workqueue("ceph-msgr", WQ_MEM_RECLAIM, 0); if (ceph_msgr_wq) return 0; -- 1.9.1
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