From: Michel Lespinasse <walken@google.com>

gfs2 calls RB_EMPTY_NODE() to check if nodes are not on an rbtree.
The corresponding initialization function is RB_CLEAR_NODE().
rb_init_node() was never clearly defined and is going away.

Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 06476b3..7ce22d8 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -453,7 +453,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
if (!res)
error = -ENOMEM;

- rb_init_node(&res->rs_node);
+ RB_CLEAR_NODE(&res->rs_node);

down_write(&ip->i_rw_mutex);
if (ip->i_res)
@@ -486,7 +486,7 @@ static void __rs_deltree(struct gfs2_inode *ip, struct gfs2_blkreserv *rs)
rgd = rs->rs_rbm.rgd;
trace_gfs2_rs(ip, rs, TRACE_RS_TREEDEL);
rb_erase(&rs->rs_node, &rgd->rd_rstree);
- rb_init_node(&rs->rs_node);
+ RB_CLEAR_NODE(&rs->rs_node);
BUG_ON(!rgd->rd_rs_cnt);
rgd->rd_rs_cnt--;

--
1.7.4