---

yaml --- r: 109190 b: refs/heads/master c: 0e3eb45 h: refs/heads/master v: v3
git-mirror · Aug 27, 2008 · c93e4f2 · c93e4f2
1 parent 8dc1d78
commit c93e4f2
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Showing 2 changed files with 3 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aefcc28a3a63ac33a298777aa50ba43641c75241
+refs/heads/master: 0e3eb45e4fe901d92bf9eae103155a57517af32e
diff --git a/trunk/block/blk-tag.c b/trunk/block/blk-tag.c
@@ -38,7 +38,8 @@ static int __blk_free_tags(struct blk_queue_tag *bqt)
 
 	retval = atomic_dec_and_test(&bqt->refcnt);
 	if (retval) {
-		BUG_ON(bqt->busy);
+		BUG_ON(find_first_bit(bqt->tag_map, bqt->max_depth) <
+							bqt->max_depth);
 
 		kfree(bqt->tag_index);
 		bqt->tag_index = NULL;
@@ -147,7 +148,6 @@ static struct blk_queue_tag *__blk_queue_init_tags(struct request_queue *q,
 	if (init_tag_map(q, tags, depth))
 		goto fail;
 
-	tags->busy = 0;
 	atomic_set(&tags->refcnt, 1);
 	return tags;
 fail:
@@ -313,7 +313,6 @@ void blk_queue_end_tag(struct request_queue *q, struct request *rq)
 	 * unlock memory barrier semantics.
 	 */
 	clear_bit_unlock(tag, bqt->tag_map);
-	bqt->busy--;
 }
 EXPORT_SYMBOL(blk_queue_end_tag);
 
@@ -368,7 +367,6 @@ int blk_queue_start_tag(struct request_queue *q, struct request *rq)
 	bqt->tag_index[tag] = rq;
 	blkdev_dequeue_request(rq);
 	list_add(&rq->queuelist, &q->tag_busy_list);
-	bqt->busy++;
 	return 0;
 }
 EXPORT_SYMBOL(blk_queue_start_tag);