gfs2: Remove and replace gfs2_glock_queue_work

There are no more callers of gfs2_glock_queue_work() left, so remove
that helper.  With that, we can now rename __gfs2_glock_queue_work()
back to gfs2_glock_queue_work() to get rid of some unnecessary clutter.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

fs/gfs2/glock.c

@@ -274,7 +274,7 @@ static void gfs2_glock_remove_from_lru(struct gfs2_glock *gl)
  * Enqueue the glock on the work queue.  Passes one glock reference on to the
  * work queue.
  */
-static void __gfs2_glock_queue_work(struct gfs2_glock *gl, unsigned long delay) {
+static void gfs2_glock_queue_work(struct gfs2_glock *gl, unsigned long delay) {
 	if (!queue_delayed_work(glock_workqueue, &gl->gl_work, delay)) {
 		/*
 		 * We are holding the lockref spinlock, and the work was still
@@ -287,12 +287,6 @@ static void __gfs2_glock_queue_work(struct gfs2_glock *gl, unsigned long delay)
 	}
 }
 
-static void gfs2_glock_queue_work(struct gfs2_glock *gl, unsigned long delay) {
-	spin_lock(&gl->gl_lockref.lock);
-	__gfs2_glock_queue_work(gl, delay);
-	spin_unlock(&gl->gl_lockref.lock);
-}
-
 static void __gfs2_glock_put(struct gfs2_glock *gl)
 {
 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
@@ -337,7 +331,8 @@ void gfs2_glock_put_async(struct gfs2_glock *gl)
 	if (lockref_put_or_lock(&gl->gl_lockref))
 		return;
 
-	__gfs2_glock_queue_work(gl, 0);
+	GLOCK_BUG_ON(gl, gl->gl_lockref.count != 1);
+	gfs2_glock_queue_work(gl, 0);
 	spin_unlock(&gl->gl_lockref.lock);
 }
 
@@ -831,7 +826,7 @@ __acquires(&gl->gl_lockref.lock)
 			 */
 			clear_bit(GLF_LOCK, &gl->gl_flags);
 			clear_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags);
-			__gfs2_glock_queue_work(gl, GL_GLOCK_DFT_HOLD);
+			gfs2_glock_queue_work(gl, GL_GLOCK_DFT_HOLD);
 			return;
 		} else {
 			clear_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags);
@@ -861,7 +856,7 @@ __acquires(&gl->gl_lockref.lock)
 
 	/* Complete the operation now. */
 	finish_xmote(gl, target);
-	__gfs2_glock_queue_work(gl, 0);
+	gfs2_glock_queue_work(gl, 0);
 }
 
 /**
@@ -909,7 +904,7 @@ __acquires(&gl->gl_lockref.lock)
 	clear_bit(GLF_LOCK, &gl->gl_flags);
 	smp_mb__after_atomic();
 	gl->gl_lockref.count++;
-	__gfs2_glock_queue_work(gl, 0);
+	gfs2_glock_queue_work(gl, 0);
 	return;
 
 out_unlock:
@@ -1141,12 +1136,12 @@ static void glock_work_func(struct work_struct *work)
 		drop_refs--;
 		if (gl->gl_name.ln_type != LM_TYPE_INODE)
 			delay = 0;
-		__gfs2_glock_queue_work(gl, delay);
+		gfs2_glock_queue_work(gl, delay);
 	}
 
 	/*
 	 * Drop the remaining glock references manually here. (Mind that
-	 * __gfs2_glock_queue_work depends on the lockref spinlock begin held
+	 * gfs2_glock_queue_work depends on the lockref spinlock begin held
 	 * here as well.)
 	 */
 	gl->gl_lockref.count -= drop_refs;
@@ -1651,7 +1646,7 @@ int gfs2_glock_nq(struct gfs2_holder *gh)
 		     test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))) {
 		set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
 		gl->gl_lockref.count++;
-		__gfs2_glock_queue_work(gl, 0);
+		gfs2_glock_queue_work(gl, 0);
 	}
 	run_queue(gl, 1);
 	spin_unlock(&gl->gl_lockref.lock);
@@ -1717,7 +1712,7 @@ static void __gfs2_glock_dq(struct gfs2_holder *gh)
 		    !test_bit(GLF_DEMOTE, &gl->gl_flags) &&
 		    gl->gl_name.ln_type == LM_TYPE_INODE)
 			delay = gl->gl_hold_time;
-		__gfs2_glock_queue_work(gl, delay);
+		gfs2_glock_queue_work(gl, delay);
 	}
 }
 
@@ -1941,7 +1936,7 @@ void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state)
 			delay = gl->gl_hold_time;
 	}
 	handle_callback(gl, state, delay, true);
-	__gfs2_glock_queue_work(gl, delay);
+	gfs2_glock_queue_work(gl, delay);
 	spin_unlock(&gl->gl_lockref.lock);
 }
 
@@ -2001,7 +1996,7 @@ void gfs2_glock_complete(struct gfs2_glock *gl, int ret)
 
 	gl->gl_lockref.count++;
 	set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
-	__gfs2_glock_queue_work(gl, 0);
+	gfs2_glock_queue_work(gl, 0);
 	spin_unlock(&gl->gl_lockref.lock);
 }
 
@@ -2070,7 +2065,7 @@ __acquires(&lru_lock)
 		gl->gl_lockref.count++;
 		if (demote_ok(gl))
 			handle_callback(gl, LM_ST_UNLOCKED, 0, false);
-		__gfs2_glock_queue_work(gl, 0);
+		gfs2_glock_queue_work(gl, 0);
 		spin_unlock(&gl->gl_lockref.lock);
 		cond_resched_lock(&lru_lock);
 	}
@@ -2194,7 +2189,7 @@ static void thaw_glock(struct gfs2_glock *gl)
 
 	spin_lock(&gl->gl_lockref.lock);
 	set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
-	__gfs2_glock_queue_work(gl, 0);
+	gfs2_glock_queue_work(gl, 0);
 	spin_unlock(&gl->gl_lockref.lock);
 }
 
@@ -2213,7 +2208,7 @@ static void clear_glock(struct gfs2_glock *gl)
 		gl->gl_lockref.count++;
 		if (gl->gl_state != LM_ST_UNLOCKED)
 			handle_callback(gl, LM_ST_UNLOCKED, 0, false);
-		__gfs2_glock_queue_work(gl, 0);
+		gfs2_glock_queue_work(gl, 0);
 	}
 	spin_unlock(&gl->gl_lockref.lock);
 }