提交 f9865f06 编写于 作者: I Ilya Dryomov 提交者: Sage Weil

libceph: ceph-msgr workqueue needs a resque worker

Commit f363e45f ("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.

Cc: stable@vger.kernel.org # needs backporting for < 3.12
Signed-off-by: NIlya Dryomov <idryomov@redhat.com>
Tested-by: NMicha Krause <micha@krausam.de>
Reviewed-by: NSage Weil <sage@redhat.com>
上级 ab6c2c3e
......@@ -292,7 +292,11 @@ 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;
......
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