From 0944502866628d6b31fb628108c3811465940760 Mon Sep 17 00:00:00 2001 From: Wang Shilong Date: Mon, 7 Oct 2013 15:21:40 +0800 Subject: [PATCH] Btrfs-progs: introduce '-r' option to print max referenced size of qgroups This patch introduces '-r' option to print max referenced size of qgroups. You may use it like: btrfs qgroup show -r Signed-off-by: Wang Shilong Signed-off-by: Miao Xie Signed-off-by: David Sterba Signed-off-by: Chris Mason --- cmds-qgroup.c | 9 +++++++-- qgroup.c | 7 +++++++ qgroup.h | 1 + 3 files changed, 15 insertions(+), 2 deletions(-) diff --git a/cmds-qgroup.c b/cmds-qgroup.c index 147bedc2..213cbde0 100644 --- a/cmds-qgroup.c +++ b/cmds-qgroup.c @@ -202,10 +202,11 @@ static int cmd_qgroup_destroy(int argc, char **argv) } static const char * const cmd_qgroup_show_usage[] = { - "btrfs qgroup show -pc ", + "btrfs qgroup show -pcr ", "Show all subvolume quota groups.", "-p print parent qgroup id", "-c print child qgroup id", + "-r print max referenced size of qgroup", NULL }; @@ -220,7 +221,7 @@ static int cmd_qgroup_show(int argc, char **argv) optind = 1; while (1) { - c = getopt(argc, argv, "pc"); + c = getopt(argc, argv, "pcr"); if (c < 0) break; switch (c) { @@ -232,6 +233,10 @@ static int cmd_qgroup_show(int argc, char **argv) btrfs_qgroup_setup_print_column( BTRFS_QGROUP_CHILD); break; + case 'r': + btrfs_qgroup_setup_print_column( + BTRFS_QGROUP_MAX_RFER); + break; default: usage(cmd_qgroup_show_usage); } diff --git a/qgroup.c b/qgroup.c index 1592dd49..f9eb52dc 100644 --- a/qgroup.c +++ b/qgroup.c @@ -87,6 +87,10 @@ struct { .column_name = "Excl", .need_print = 1, }, + { .name = "max_rfer", + .column_name = "Max_rfer", + .need_print = 0, + }, { .name = "parent", .column_name = "Parent", @@ -166,6 +170,9 @@ static void print_qgroup_column(struct btrfs_qgroup *qgroup, case BTRFS_QGROUP_PARENT: print_parent_column(qgroup); break; + case BTRFS_QGROUP_MAX_RFER: + printf("%llu", qgroup->max_rfer); + break; case BTRFS_QGROUP_CHILD: print_child_column(qgroup); break; diff --git a/qgroup.h b/qgroup.h index 33682aeb..168fac07 100644 --- a/qgroup.h +++ b/qgroup.h @@ -26,6 +26,7 @@ enum btrfs_qgroup_column_enum { BTRFS_QGROUP_QGROUPID, BTRFS_QGROUP_RFER, BTRFS_QGROUP_EXCL, + BTRFS_QGROUP_MAX_RFER, BTRFS_QGROUP_PARENT, BTRFS_QGROUP_CHILD, BTRFS_QGROUP_ALL,