---

yaml --- r: 252800 b: refs/heads/master c: 4cc1b4c h: refs/heads/master v: v3
git-mirror · May 29, 2011 · 9820903 · 9820903
1 parent fe87ed7
commit 9820903
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Showing 2 changed files with 2 additions and 11 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c6ea41fbbe08f270a8edef99dc369faf809d1bd6
+refs/heads/master: 4cc1b4cffd187a5c5d6264c8d766c49b3c57fb05
diff --git a/trunk/drivers/md/dm-kcopyd.c b/trunk/drivers/md/dm-kcopyd.c
@@ -36,7 +36,6 @@
  * pages for kcopyd io.
  *---------------------------------------------------------------*/
 struct dm_kcopyd_client {
-	spinlock_t lock;
 	struct page_list *pages;
 	unsigned int nr_pages;
 	unsigned int nr_free_pages;
@@ -99,11 +98,8 @@ static int kcopyd_get_pages(struct dm_kcopyd_client *kc,
 {
 	struct page_list *pl;
 
-	spin_lock(&kc->lock);
-	if (kc->nr_free_pages < nr) {
-		spin_unlock(&kc->lock);
+	if (kc->nr_free_pages < nr)
 		return -ENOMEM;
-	}
 
 	kc->nr_free_pages -= nr;
 	for (*pages = pl = kc->pages; --nr; pl = pl->next)
@@ -112,23 +108,19 @@ static int kcopyd_get_pages(struct dm_kcopyd_client *kc,
 	kc->pages = pl->next;
 	pl->next = NULL;
 
-	spin_unlock(&kc->lock);
-
 	return 0;
 }
 
 static void kcopyd_put_pages(struct dm_kcopyd_client *kc, struct page_list *pl)
 {
 	struct page_list *cursor;
 
-	spin_lock(&kc->lock);
 	for (cursor = pl; cursor->next; cursor = cursor->next)
 		kc->nr_free_pages++;
 
 	kc->nr_free_pages++;
 	cursor->next = kc->pages;
 	kc->pages = pl;
-	spin_unlock(&kc->lock);
 }
 
 /*
@@ -625,7 +617,6 @@ int dm_kcopyd_client_create(unsigned int nr_pages,
 	if (!kc)
 		return -ENOMEM;
 
-	spin_lock_init(&kc->lock);
 	spin_lock_init(&kc->job_lock);
 	INIT_LIST_HEAD(&kc->complete_jobs);
 	INIT_LIST_HEAD(&kc->io_jobs);