[GFS2] split and annotate gfs2_quota_change

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c
index 84c59b1..2d1682d 100644
--- a/fs/gfs2/ondisk.c
+++ b/fs/gfs2/ondisk.c
@@ -297,7 +297,7 @@
 	str->sc_dinodes = cpu_to_be64(sc->sc_dinodes);
 }
 
-void gfs2_quota_change_in(struct gfs2_quota_change *qc, const void *buf)
+void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *buf)
 {
 	const struct gfs2_quota_change *str = buf;