make btrfs qgroups show human readable sizes, using -h option, example:
qgroupid rfer excl max_rfer max_excl parent child
-------- ---- ---- -------- -------- ------ -----
0/5 299.58MiB 299.58MiB 400.00MiB 0.00B 1/1 ---
0/265 299.58MiB 16.00KiB 0.00B 320.00MiB 1/1 ---
0/266 299.58MiB 16.00KiB 350.00MiB 0.00B --- ---
1/1 599.16MiB 299.59MiB 800.00MiB 0.00B --- 0/5,0/265
Signed-off-by: Fan Chengniang <fancn.f...@cn.fujitsu.com>
---
Documentation/btrfs-qgroup.txt | 2 ++
cmds-qgroup.c | 6 +++++-
qgroup.c | 46 ++++++++++++++++++++++++++++++++++--------
qgroup.h | 1 +
4 files changed, 46 insertions(+), 9 deletions(-)
diff --git a/Documentation/btrfs-qgroup.txt b/Documentation/btrfs-qgroup.txt
index 3e13373..6a3d649 100644
--- a/Documentation/btrfs-qgroup.txt
+++ b/Documentation/btrfs-qgroup.txt
@@ -69,6 +69,8 @@ print child qgroup id.
print max referenced size of qgroup.
-e::::
print max exclusive size of qgroup.
+-h::::
+print sizes in human readable format (e.g., 1KiB 234MiB 2GiB).
-F::::
list all qgroups which impact the given path(include ancestral qgroups)
-f::::
diff --git a/cmds-qgroup.c b/cmds-qgroup.c
index 957fbc9..c2bd0a3 100644
--- a/cmds-qgroup.c
+++ b/cmds-qgroup.c
@@ -212,6 +212,7 @@ static const char * const cmd_qgroup_show_usage[] = {
"-c print child qgroup id",
"-r print max referenced size of qgroup",
"-e print max exclusive size of qgroup",
+ "-h print sizes in human readable format (e.g., 1KiB 234MiB
2GiB)",
"-F list all qgroups which impact the given path"
"(include ancestral qgroups)",
"-f list all qgroups which impact the given path"
@@ -246,7 +247,7 @@ static int cmd_qgroup_show(int argc, char **argv)
optind = 1;
while (1) {
- c = getopt_long(argc, argv, "pcreFf",
+ c = getopt_long(argc, argv, "pcrehFf",
long_options, NULL);
if (c < 0)
break;
@@ -267,6 +268,9 @@ static int cmd_qgroup_show(int argc, char **argv)
btrfs_qgroup_setup_print_column(
BTRFS_QGROUP_MAX_EXCL);
break;
+ case 'h':
+ btrfs_qgroup_setup_human_readable();
+ break;
case 'F':
filter_flag |= 0x1;
break;
diff --git a/qgroup.c b/qgroup.c
index 1a4866c..5cb239e 100644
--- a/qgroup.c
+++ b/qgroup.c
@@ -20,6 +20,7 @@
#include <sys/ioctl.h>
#include "ctree.h"
#include "ioctl.h"
+#include "utils.h"
#define BTRFS_QGROUP_NFILTERS_INCREASE (2 * BTRFS_QGROUP_FILTER_MAX)
#define BTRFS_QGROUP_NCOMPS_INCREASE (2 * BTRFS_QGROUP_COMP_MAX)
@@ -80,53 +81,62 @@ static struct {
char *name;
char *column_name;
int need_print;
+ int human_readable;
int max_len;
} btrfs_qgroup_columns[] = {
{
.name = "qgroupid",
.column_name = "Qgroupid",
.need_print = 1,
+ .human_readable = 0,
.max_len = 8,
},
{
.name = "rfer",
.column_name = "Rfer",
.need_print = 1,
- .max_len = 4,
+ .human_readable = 0,
+ .max_len = 12,
},
{
.name = "excl",
.column_name = "Excl",
.need_print = 1,
- .max_len = 4,
+ .human_readable = 0,
+ .max_len = 12,
},
{ .name = "max_rfer",
.column_name = "Max_rfer",
.need_print = 0,
- .max_len = 8,
+ .human_readable = 0,
+ .max_len = 12,
},
{
.name = "max_excl",
.column_name = "Max_excl",
.need_print = 0,
- .max_len = 8,
+ .human_readable = 0,
+ .max_len = 12,
},
{
.name = "parent",
.column_name = "Parent",
.need_print = 0,
+ .human_readable = 0,
.max_len = 7,
},
{
.name = "child",
.column_name = "Child",
.need_print = 0,
+ .human_readable = 0,
.max_len = 5,
},
{
.name = NULL,
.column_name = NULL,
.need_print = 0,
+ .human_readable = 0,
},
};
@@ -147,6 +157,14 @@ void btrfs_qgroup_setup_print_column(enum
btrfs_qgroup_column_enum column)
btrfs_qgroup_columns[i].need_print = 1;
}
+void btrfs_qgroup_setup_human_readable(void)
+{
+ btrfs_qgroup_columns[BTRFS_QGROUP_RFER].human_readable = 1;
+ btrfs_qgroup_columns[BTRFS_QGROUP_EXCL].human_readable = 1;
+ btrfs_qgroup_columns[BTRFS_QGROUP_MAX_RFER].human_readable = 1;
+ btrfs_qgroup_columns[BTRFS_QGROUP_MAX_EXCL].human_readable = 1;
+}
+
static int print_parent_column(struct btrfs_qgroup *qgroup)
{
struct btrfs_qgroup_list *list = NULL;
@@ -203,11 +221,17 @@ static void print_qgroup_column(struct btrfs_qgroup
*qgroup,
print_qgroup_column_add_blank(BTRFS_QGROUP_QGROUPID, len);
break;
case BTRFS_QGROUP_RFER:
- len = printf("%llu", qgroup->rfer);
+ if (btrfs_qgroup_columns[column].human_readable)
+ len = printf("%s", pretty_size(qgroup->rfer));
+ else
+ len = printf("%llu", qgroup->rfer);
print_qgroup_column_add_blank(BTRFS_QGROUP_RFER, len);
break;
case BTRFS_QGROUP_EXCL:
- len = printf("%llu", qgroup->excl);
+ if (btrfs_qgroup_columns[column].human_readable)
+ len = printf("%s", pretty_size(qgroup->excl));
+ else
+ len = printf("%llu", qgroup->excl);
print_qgroup_column_add_blank(BTRFS_QGROUP_EXCL, len);
break;
case BTRFS_QGROUP_PARENT:
@@ -215,11 +239,17 @@ 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("%llu", qgroup->max_rfer);
+ if (btrfs_qgroup_columns[column].human_readable)
+ len = printf("%s", pretty_size(qgroup->max_rfer));
+ else
+ len = printf("%llu", qgroup->max_rfer);
print_qgroup_column_add_blank(BTRFS_QGROUP_MAX_RFER, len);
break;
case BTRFS_QGROUP_MAX_EXCL:
- len = printf("%llu", qgroup->max_excl);
+ if (btrfs_qgroup_columns[column].human_readable)
+ len = printf("%s", pretty_size(qgroup->max_excl));
+ else
+ len = printf("%llu", qgroup->max_excl);
print_qgroup_column_add_blank(BTRFS_QGROUP_MAX_EXCL, len);
break;
case BTRFS_QGROUP_CHILD:
diff --git a/qgroup.h b/qgroup.h
index 653cf1c..cc8ae29 100644
--- a/qgroup.h
+++ b/qgroup.h
@@ -83,6 +83,7 @@ u64 btrfs_get_path_rootid(int fd);
int btrfs_show_qgroups(int fd, struct btrfs_qgroup_filter_set *,
struct btrfs_qgroup_comparer_set *);
void btrfs_qgroup_setup_print_column(enum btrfs_qgroup_column_enum column);
+void btrfs_qgroup_setup_human_readable(void);
struct btrfs_qgroup_filter_set *btrfs_qgroup_alloc_filter_set(void);
void btrfs_qgroup_free_filter_set(struct btrfs_qgroup_filter_set *filter_set);
int btrfs_qgroup_setup_filter(struct btrfs_qgroup_filter_set **filter_set,
--
1.9.1
--
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