From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Fri, 1 Jul 2016 02:04:16 +0000 (-0700)
Subject: f2fs: skip to check the block address of node page
X-Git-Tag: v4.8~401^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3bdad3c7ee72a76ec87be3477eb958ed7ca304fc;p=platform%2Fkernel%2Flinux-amlogic.git

f2fs: skip to check the block address of node page

If the node page is up-to-date, it should be alive.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index ca1bb3c..9d994b9 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1080,6 +1080,9 @@ static int read_node_page(struct page *page, int rw)
 		.encrypted_page = NULL,
 	};
 
+	if (PageUptodate(page))
+		return LOCKED_PAGE;
+
 	get_node_info(sbi, page->index, &ni);
 
 	if (unlikely(ni.blk_addr == NULL_ADDR)) {
@@ -1087,9 +1090,6 @@ static int read_node_page(struct page *page, int rw)
 		return -ENOENT;
 	}
 
-	if (PageUptodate(page))
-		return LOCKED_PAGE;
-
 	fio.new_blkaddr = fio.old_blkaddr = ni.blk_addr;
 	return f2fs_submit_page_bio(&fio);
 }