On 2015/06/03 15:57, Dongsheng Yang wrote:
> There are two understanding of the '0' value in btrfs qgroup show.
> (1) is no-limitation on this qgroup. (2) is the max-limitation is 0.
>
> This patch make it showing in different way.
>
> (1). max-limitation for 0 is still showing '0'.
> (2). no-limitation will show 'none'.
>
> qgroupid rfer excl max_rfer max_excl parent
> -------- ---- ---- -------- -------- ------
> 0/5 2.19GiB 2.19GiB none none ---
> 0/257 100.02MiB 100.02MiB none none ---
>
> Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
Tested-by: Tsutomu Itoh <t-itoh@xxxxxxxxxxxxxx>
> ---
> qgroup.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/qgroup.c b/qgroup.c
> index 53815b5..dc04b03 100644
> --- a/qgroup.c
> +++ b/qgroup.c
> @@ -237,10 +237,16 @@ static void print_qgroup_column(struct btrfs_qgroup *qgroup,
> print_qgroup_column_add_blank(BTRFS_QGROUP_PARENT, len);
> break;
> case BTRFS_QGROUP_MAX_RFER:
> - len = printf("%*s", max_len, pretty_size_mode(qgroup->max_rfer, unit_mode));
> + if (qgroup->flags & BTRFS_QGROUP_LIMIT_MAX_RFER)
> + len = printf("%*s", max_len, pretty_size_mode(qgroup->max_rfer, unit_mode));
> + else
> + len = printf("%*s", max_len, "none");
> break;
> case BTRFS_QGROUP_MAX_EXCL:
> - len = printf("%*s", max_len, pretty_size_mode(qgroup->max_excl, unit_mode));
> + if (qgroup->flags & BTRFS_QGROUP_LIMIT_MAX_EXCL)
> + len = printf("%*s", max_len, pretty_size_mode(qgroup->max_excl, unit_mode));
> + else
> + len = printf("%*s", max_len, "none");
> break;
> case BTRFS_QGROUP_CHILD:
> len = print_child_column(qgroup);
>
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