diff options
author | Ilya Dryomov <idryomov@redhat.com> | 2014-10-10 16:39:05 +0400 |
---|---|---|
committer | Jiri Slaby <jslaby@suse.cz> | 2014-10-31 15:11:32 +0100 |
commit | 292b588419a9fdd4950ae7944bed6efafa7571ae (patch) | |
tree | 7acb82d9c6f5668785d811e0d704673aafdd90f7 | |
parent | 99a52137266e8cf196b0cd2facd325241e59e094 (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.
Cc: stable@vger.kernel.org # needs backporting for < 3.12
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: Jiri Slaby <jslaby@suse.cz>
-rw-r--r-- | net/ceph/messenger.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 94e21b9b1c87..057017bd3b42 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; |