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| author | Ilya Dryomov <idryomov@redhat.com> | 2014-10-10 16:39:05 +0400 |
|---|---|---|
| committer | Sage Weil <sage@redhat.com> | 2014-10-14 12:57:04 -0700 |
| commit | f9865f06f7f18c6661c88d0511f05c48612319cc (patch) | |
| tree | a15fd2449ec4e8e4f230bd4701d880e3f0849960 /net | |
| parent | ab6c2c3ebe1d4fddc1f9ae29810799419be950c0 (diff) | |
| download | lwn-f9865f06f7f18c6661c88d0511f05c48612319cc.tar.gz lwn-f9865f06f7f18c6661c88d0511f05c48612319cc.zip | |
libceph: ceph-msgr workqueue needs a resque worker
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>
Diffstat (limited to 'net')
| -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 9764c771cfb1..559c9f619c20 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -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; |