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[11/13] Btrfs-progs: check the relation of two group by real level numbers

Message ID 1358715858-4469-12-git-send-email-gene@czarc.net (mailing list archive)
State New, archived
Headers show

Commit Message

Gene Czarcinski Jan. 20, 2013, 9:04 p.m. UTC 
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>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
---
 cmds-qgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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;
 	}