From: Fan Li <fanofcode.li@samsung.com>
Date: Mon, 14 Dec 2015 07:26:04 +0000 (+0800)
Subject: f2fs: fix to update variable correctly when skip a unmapped block
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=e8931582bdaf4d4a6ee7e520ef0ccd481713a42a;p=openwrt%2Fstaging%2Fblogic.git

f2fs: fix to update variable correctly when skip a unmapped block

map.m_len should be reduced after skip a block

Signed-off-by: Fan li <fanofcode.li@samsung.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5fac4f259965..9949d0f332c2 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1759,6 +1759,7 @@ do_map:
 
 		if (!(map.m_flags & F2FS_MAP_FLAGS)) {
 			map.m_lblk++;
+			map.m_len--;
 			continue;
 		}