'btrfs qgroup show' used to output bytes in raw, but in btrfs-progs v3.18.2 it outputs bytes with suffix KiB, MiB or like by default, which causes error when parsing the output. Fix it by adding '--raw' to let 'btrfs qgroup show' output raw numbers always. Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index 5cab52a..402b7de 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -1231,6 +1231,7 @@ do_btrfs_qgroup_show (const char *path) ADD_ARG (argv, i, str_btrfs); ADD_ARG (argv, i, "qgroup"); ADD_ARG (argv, i, "show"); + ADD_ARG (argv, i, "--raw"); ADD_ARG (argv, i, path_buf); ADD_ARG (argv, i, NULL); @@ -1240,6 +1241,9 @@ do_btrfs_qgroup_show (const char *path) return NULL; } + if (verbose) + fprintf (stderr, "output of 'btrfs qgroup show %s' is:\n%s\n", path_buf, out); + lines = split_lines (out); if (!lines) return NULL; -- 2.1.0