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btrfs-progs: qgroup: show 'none' when we did not limit it on this qgroup 

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@cn.fujitsu.com>
Tested-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
master
Dongsheng Yang 2015-06-03 14:57:31 +08:00 committed by David Sterba
parent 281be9e7d5
commit 216259e0e6
1 changed files with 8 additions and 2 deletions
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10
qgroup.c
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@ -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);