gfs2: Rename gfs2_{gl_dq_holders => withdraw_glocks}

Rename function gfs2_gl_dq_holders() to gfs2_withdraw_glocks(). This
function will soon be used for more than just dequeuing holders.

Signed-off-by: Andreas Gruenbacher <[e-mail]>

fs/gfs2/glock.c

···
 	dump_glock(NULL, gl, true);
 }
 
-static void withdraw_dq(struct gfs2_glock *gl)
+static void withdraw_glock(struct gfs2_glock *gl)
 {
 	spin_lock(&gl->gl_lockref.lock);
 	if (!__lockref_is_dead(&gl->gl_lockref))
···
 	spin_unlock(&gl->gl_lockref.lock);
 }
 
-void gfs2_gl_dq_holders(struct gfs2_sbd *sdp)
+void gfs2_withdraw_glocks(struct gfs2_sbd *sdp)
 {
-	glock_hash_walk(withdraw_dq, sdp);
+	glock_hash_walk(withdraw_glock, sdp);
 }
 
 /**

fs/gfs2/glock.h

···
 void gfs2_cancel_delete_work(struct gfs2_glock *gl);
 void gfs2_flush_delete_work(struct gfs2_sbd *sdp);
 void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
-void gfs2_gl_dq_holders(struct gfs2_sbd *sdp);
+void gfs2_withdraw_glocks(struct gfs2_sbd *sdp);
 void gfs2_glock_thaw(struct gfs2_sbd *sdp);
 void gfs2_glock_free(struct gfs2_glock *gl);
 void gfs2_glock_free_later(struct gfs2_glock *gl);

fs/gfs2/util.c

···
 		 * Dequeue any pending non-system glock holders that can no
 		 * longer be granted because the file system is withdrawn.
 		 */
-		gfs2_gl_dq_holders(sdp);
+		gfs2_withdraw_glocks(sdp);
 	}
 
 	gfs2_thaw_freeze_initiator(sdp->sd_vfs);