GFS2: Make sure rindex is uptodate before starting transactions

This patch removes the call from gfs2_blk2rgrd to function
gfs2_rindex_update and replaces it with individual calls.
The former way turned out to be too problematic.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 19354a2..3df65c9 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -332,9 +332,6 @@
 	struct rb_node *n, *next;
 	struct gfs2_rgrpd *cur;
 
-	if (gfs2_rindex_update(sdp))
-		return NULL;
-
 	spin_lock(&sdp->sd_rindex_spin);
 	n = sdp->sd_rindex_tree.rb_node;
 	while (n) {
@@ -928,6 +925,10 @@
 	} else if (copy_from_user(&r, argp, sizeof(r)))
 		return -EFAULT;
 
+	ret = gfs2_rindex_update(sdp);
+	if (ret)
+		return ret;
+
 	rgd = gfs2_blk2rgrpd(sdp, r.start, 0);
 	rgd_end = gfs2_blk2rgrpd(sdp, r.start + r.len, 0);