gfs2: Eliminate gh parameter from go_xmote_bh func

The only glock that uses go_xmote_bh glops function is the freeze glock
which uses freeze_go_xmote_bh. It does not use its gh parameter, so
this patch eliminates the unneeded parameter.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

fs/gfs2/glock.c

@@ -566,7 +566,7 @@ retry:
 	if (state != LM_ST_UNLOCKED) {
 		if (glops->go_xmote_bh) {
 			spin_unlock(&gl->gl_lockref.lock);
-			rv = glops->go_xmote_bh(gl, gh);
+			rv = glops->go_xmote_bh(gl);
 			spin_lock(&gl->gl_lockref.lock);
 			if (rv) {
 				do_error(gl, rv);

fs/gfs2/glops.c

@@ -597,7 +597,7 @@ static int freeze_go_sync(struct gfs2_glock *gl)
  *
  */
 
-static int freeze_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh)
+static int freeze_go_xmote_bh(struct gfs2_glock *gl)
 {
 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
 	struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);

fs/gfs2/incore.h

@@ -217,7 +217,7 @@ struct lm_lockname {
 
 struct gfs2_glock_operations {
 	int (*go_sync) (struct gfs2_glock *gl);
-	int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh);
+	int (*go_xmote_bh)(struct gfs2_glock *gl);
 	void (*go_inval) (struct gfs2_glock *gl, int flags);
 	int (*go_demote_ok) (const struct gfs2_glock *gl);
 	int (*go_lock) (struct gfs2_holder *gh);