From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([59.151.112.132]:24217 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754801AbbBJK0p (ORCPT ); Tue, 10 Feb 2015 05:26:45 -0500 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t1AAPx5Z000848 for ; Tue, 10 Feb 2015 18:25:59 +0800 From: Dongsheng Yang To: CC: Dongsheng Yang Subject: [PATCH 2/9] btrfs: qgroup: inherit limit info from srcgroup in creating snapshot. Date: Tue, 10 Feb 2015 18:23:16 +0800 Message-ID: <1423563803-8996-5-git-send-email-yangds.fnst@cn.fujitsu.com> In-Reply-To: <1423563803-8996-1-git-send-email-yangds.fnst@cn.fujitsu.com> References: <1423563803-8996-1-git-send-email-yangds.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-btrfs-owner@vger.kernel.org List-ID: Currently, when we snapshot a subvol, snapshot will not copy the limits from srcqgroup. This patch make the qgroup in snapshot inherit the limit info when create a snapshot. Signed-off-by: Dongsheng Yang --- fs/btrfs/qgroup.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 97159a8..b2cee33 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2302,6 +2302,14 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, dstgroup->excl_cmpr = level_size; srcgroup->excl = level_size; srcgroup->excl_cmpr = level_size; + + /* inherit the limit info */ + dstgroup->lim_flags = srcgroup->lim_flags; + dstgroup->max_rfer = srcgroup->max_rfer; + dstgroup->max_excl = srcgroup->max_excl; + dstgroup->rsv_rfer = srcgroup->rsv_rfer; + dstgroup->rsv_excl = srcgroup->rsv_excl; + qgroup_dirty(fs_info, dstgroup); qgroup_dirty(fs_info, srcgroup); } -- 1.8.4.2