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authorAlex Elder <elder@inktank.com>2012-12-17 12:23:48 -0600
committerAlex Elder <elder@inktank.com>2012-12-20 10:56:33 -0600
commita978fa20fb657548561dddbfb605fe43654f0825 (patch)
treeb7651c61cb309178e77af9e2d17fc6067cdcf794 /net/ceph
parent3ee5234df68d253c415ba4f2db72ad250d9c21a9 (diff)
libceph: don't use rb_init_node() in ceph_osdc_alloc_request()
The red-black node in the ceph osd request structure is initialized in ceph_osdc_alloc_request() using rbd_init_node(). We do need to initialize this, because in __unregister_request() we call RB_EMPTY_NODE(), which expects the node it's checking to have been initialized. But rb_init_node() is apparently overkill, and may in fact be on its way out. So use RB_CLEAR_NODE() instead. For a little more background, see this commit: 4c199a93 rbtree: empty nodes have no color" Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/osd_client.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 2bce3d4be1c..7cd0a7f3bf4 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -221,7 +221,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
kref_init(&req->r_kref);
init_completion(&req->r_completion);
init_completion(&req->r_safe_completion);
- rb_init_node(&req->r_node);
+ RB_CLEAR_NODE(&req->r_node);
INIT_LIST_HEAD(&req->r_unsafe_item);
INIT_LIST_HEAD(&req->r_linger_item);
INIT_LIST_HEAD(&req->r_linger_osd);