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btrfs-progs: mkfs: print zone count for each device

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In zoned mode print zone count for each device, the zone size must be
the same so it's sufficient to print it in the summary.

  $ mkfs.btrfs -O zoned /dev/nullb[0-3]
  ...
  Zoned device:       yes
    Zone size:        16.00MiB
  ...
  Devices:
     ID        SIZE  ZONES  PATH
      1   512.00MiB     32  /dev/nullb0
      2   256.00MiB     16  /dev/nullb1
      3     1.00GiB     64  /dev/nullb2
      4     2.00GiB    128  /dev/nullb3

Issue: #693
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2023-10-30 13:43:44 +01:00
parent f240c6114d
commit b1e2de452a
1 changed files with 28 additions and 9 deletions
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37
mkfs/main.c
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@ -57,6 +57,7 @@
#include "common/box.h"
#include "common/units.h"
#include "common/string-utils.h"
#include "common/string-table.h"
#include "cmds/commands.h"
#include "check/qgroup-verify.h"
#include "mkfs/common.h"
@ -486,11 +487,13 @@ static int _cmp_device_by_id(void *priv, struct list_head *a,
list_entry(b, struct btrfs_device, dev_list)->devid;
}
static void list_all_devices(struct btrfs_root *root)
static void list_all_devices(struct btrfs_root *root, bool is_zoned)
{
struct btrfs_fs_devices *fs_devices;
struct btrfs_device *device;
int number_of_devices = 0;
struct string_table *tab;
int row, col;
fs_devices = root->fs_info->fs_devices;
@ -501,15 +504,31 @@ static void list_all_devices(struct btrfs_root *root)
printf("Number of devices: %d\n", number_of_devices);
printf("Devices:\n");
printf(" ID SIZE PATH\n");
list_for_each_entry(device, &fs_devices->devices, dev_list) {
printf(" %3llu %10s %s\n",
device->devid,
pretty_size(device->total_bytes),
device->name);
}
if (is_zoned)
tab = table_create(4, number_of_devices + 1);
else
tab = table_create(3, number_of_devices + 1);
tab->spacing = STRING_TABLE_SPACING_2;
col = 0;
table_printf(tab, col++, 0, "> ID");
table_printf(tab, col++, 0, "> SIZE");
if (is_zoned)
table_printf(tab, col++, 0, ">ZONES");
table_printf(tab, col++, 0, "<PATH");
row = 1;
list_for_each_entry(device, &fs_devices->devices, dev_list) {
col = 0;
table_printf(tab, col++, row, ">%llu", device->devid);
table_printf(tab, col++, row, ">%s", pretty_size(device->total_bytes));
if (is_zoned)
table_printf(tab, col++, row, ">%u", device->zone_info->nr_zones);
table_printf(tab, col++, row, "<%s", device->name);
row++;
}
table_dump(tab);
printf("\n");
table_free(tab);
}
static bool is_temp_block_group(struct extent_buffer *node,
@ -2016,7 +2035,7 @@ raid_groups:
printf("Checksum: %s\n",
btrfs_super_csum_name(mkfs_cfg.csum_type));
list_all_devices(root);
list_all_devices(root, opt_zoned);
if (mkfs_cfg.csum_type == BTRFS_CSUM_TYPE_SHA256) {
printf(