From 0944502866628d6b31fb628108c3811465940760 Mon Sep 17 00:00:00 2001
From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Date: Mon, 7 Oct 2013 15:21:40 +0800
Subject: Btrfs-progs: introduce '-r' option to print max referenced size of
 qgroups

This patch introduces '-r' option to print max referenced size of qgroups.
You may use it like:

		btrfs qgroup show -r <path>

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
---
 qgroup.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'qgroup.c')

diff --git a/qgroup.c b/qgroup.c
index 1592dd49..f9eb52dc 100644
--- a/qgroup.c
+++ b/qgroup.c
@@ -87,6 +87,10 @@ struct {
 		.column_name	= "Excl",
 		.need_print	= 1,
 	},
+	{	.name		= "max_rfer",
+		.column_name	= "Max_rfer",
+		.need_print	= 0,
+	},
 	{
 		.name		= "parent",
 		.column_name	= "Parent",
@@ -166,6 +170,9 @@ static void print_qgroup_column(struct btrfs_qgroup *qgroup,
 	case BTRFS_QGROUP_PARENT:
 		print_parent_column(qgroup);
 		break;
+	case BTRFS_QGROUP_MAX_RFER:
+		printf("%llu", qgroup->max_rfer);
+		break;
 	case BTRFS_QGROUP_CHILD:
 		print_child_column(qgroup);
 		break;
-- 
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