[PATCH 3/3] Btrfs-progs: check the relation of two group by real level numbers

[Miao Xie <miaox@cn.fujitsu.com>]

From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>

Comparing qgroupid is not good way to check the relationship of two groups,
the right way is to compare the real level numbers.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
 cmds-qgroup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/cmds-qgroup.c b/cmds-qgroup.c
index c4122bf..70019d0 100644
--- a/cmds-qgroup.c
+++ b/cmds-qgroup.c
@@ -50,7 +50,7 @@ static int qgroup_assign(int assign, int argc, char **argv)
 	/*
 	 * FIXME src should accept subvol path
 	 */
-	if (args.src >= args.dst) {
+	if ((args.src >> 48) >= (args.dst >> 48)) {
 		fprintf(stderr, "ERROR: bad relation requested '%s'\n", path);
 		return 12;
 	}
-- 1.7.7.6