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authorQu Wenruo <quwenruo@cn.fujitsu.com>2015-10-26 14:11:19 +0800
committerChris Mason <clm@fb.com>2015-10-26 19:44:39 -0700
commit90ce321da8ce3d00e19586993887346286208386 (patch)
treefc94eab3c20e42b5ff1a2cbb88d81cab3b438b9f /fs
parent5846a3c26873e86b034c702a8bc202aa76082369 (diff)
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btrfs: qgroup: Fix a rebase bug which will cause qgroup double free
When rebasing my patchset, I forgot to pick up a cleanup patch to remove old hotfix in 4.2 release. Witouth the cleanup, it will screw up new qgroup reserve framework and always cause minus reserved number. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/qgroup.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 31d19344427a..46476c226395 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1652,10 +1652,6 @@ static int qgroup_update_counters(struct btrfs_fs_info *fs_info,
}
}
- /* For exclusive extent, free its reserved bytes too */
- if (nr_old_roots == 0 && nr_new_roots == 1 &&
- cur_new_count == nr_new_roots)
- qg->reserved -= num_bytes;
if (dirty)
qgroup_dirty(fs_info, qg);
}