X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=fs%2Fbuffer.c;h=0cb7ffd4977c9283aba3794f4da84ecb1758ec47;hb=70aacfe66136809d7f080f89c492c278298719f4;hp=32647d2011dfe05ccc12705f6b3da615b31606e9;hpb=5beed15e4b53b2077f388138318bdddaac4f253f;p=linux-2.6-microblaze.git

diff --git a/fs/buffer.c b/fs/buffer.c
index 32647d2011df..0cb7ffd4977c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -847,7 +847,8 @@ struct buffer_head *alloc_page_buffers(struct page *page, unsigned long size,
 	if (retry)
 		gfp |= __GFP_NOFAIL;
 
-	memcg = get_mem_cgroup_from_page(page);
+	/* The page lock pins the memcg */
+	memcg = page_memcg(page);
 	old_memcg = set_active_memcg(memcg);
 
 	head = NULL;
@@ -868,7 +869,6 @@ struct buffer_head *alloc_page_buffers(struct page *page, unsigned long size,
 	}
 out:
 	set_active_memcg(old_memcg);
-	mem_cgroup_put(memcg);
 	return head;
 /*
  * In case anything failed, we just free everything we got.
@@ -2083,7 +2083,8 @@ static int __block_commit_write(struct inode *inode, struct page *page,
 			set_buffer_uptodate(bh);
 			mark_buffer_dirty(bh);
 		}
-		clear_buffer_new(bh);
+		if (buffer_new(bh))
+			clear_buffer_new(bh);
 
 		block_start = block_end;
 		bh = bh->b_this_page;