From d3001ed3a82ec2696bb13c78092d0a3460003fd7 Mon Sep 17 00:00:00 2001
From: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Date: Thu, 20 Nov 2014 21:04:56 -0500
Subject: [PATCH] btrfs: qgroup: update limit info in function
 btrfs_run_qgroups().

When we commit_transaction(), qgroups in btree should be updated.
But, limit info is not considered currently. It will cause a problem
when a qgroup of a snapshot inherit the limit info from srcqgroup,
then there is an inconsistency.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
---
 fs/btrfs/qgroup.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index bf0702a865f8fd..5d1d756117454e 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2151,6 +2151,10 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
 		list_del_init(&qgroup->dirty);
 		spin_unlock(&fs_info->qgroup_lock);
 		ret = update_qgroup_info_item(trans, quota_root, qgroup);
+		if (ret)
+			fs_info->qgroup_flags |=
+					BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
+		ret = update_qgroup_limit_item(trans, quota_root, qgroup);
 		if (ret)
 			fs_info->qgroup_flags |=
 					BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
-- 
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