Btrfs-progs: output the error reason when qgroup_show fails
authorWang Shilong <wangsl-fnst@cn.fujitsu.com>
Wed, 27 Feb 2013 11:04:18 +0000 (19:04 +0800)
committerDavid Sterba <dsterba@suse.cz>
Wed, 27 Feb 2013 15:13:20 +0000 (16:13 +0100)
commite929e2947a52bedc91b674202ebff8a4cc21b794
treedd26bf2c91b73ab89ea6d70588baa24187ac145d
parent9f166a337cbadcc98673e5f171aff7cd8b5936f2
Btrfs-progs: output the error reason when qgroup_show fails

The original code forgot to output the reason why the commands failed,
fix it.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
cmds-qgroup.c