From: Qu Wenruo <quwenruo@cn.fujitsu.com>
Date: Tue, 26 Apr 2016 02:49:49 +0000 (+0800)
Subject: btrfs-progs: check: fix found bytes accounting error
X-Git-Tag: upstream/4.16.1~1596
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e6de81e95934a530cda65b546eb3fcfeaaa262e9;p=platform%2Fupstream%2Fbtrfs-progs.git

btrfs-progs: check: fix found bytes accounting error

In the new add_extent_rec_nolookup() function, we add bytes_used to
update found bytes accounting.

However there is a typo that we used tmpl->nr, which should be rec->nr.
This will make us to add 1 for data backref, instead the correct size.

Reported-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/cmds-check.c b/cmds-check.c
index de17be3..bada87e 100644
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -4550,7 +4550,7 @@ static int add_extent_rec_nolookup(struct cache_tree *extent_cache,
 	rec->cache.size = tmpl->nr;
 	ret = insert_cache_extent(extent_cache, &rec->cache);
 	BUG_ON(ret);
-	bytes_used += tmpl->nr;
+	bytes_used += rec->nr;
 
 	if (tmpl->metadata)
 		rec->crossing_stripes = check_crossing_stripes(rec->start,