Otherwise, we would invoke _write_bdev_label on each committed map:
```
DEBUG 2024-08-14 17:12:55,789 [shard 0:main] bluestore - bluestore(/var/lib/ceph/osd/ceph-2/block) _write_bdev_label path /var/lib/ceph/osd/ceph-2/block label bdev(osd_uuid
d2ce936a-24b4-415d-9979-
c8d75a9ea0f4, size 0x1680000000, btime 2024-08-14T17:10:52.823128+0000, desc main, 16 meta) locations [0,
1073741824,
10737418240]
DEBUG 2024-08-14 17:12:56,792 [shard 0:main] bluestore - bluestore(/var/lib/ceph/osd/ceph-2/block) _write_bdev_label path /var/lib/ceph/osd/ceph-2/block label bdev(osd_uuid
d2ce936a-24b4-415d-9979-
c8d75a9ea0f4, size 0x1680000000, btime 2024-08-14T17:10:52.823128+0000, desc main, 16 meta) locations [0,
1073741824,
10737418240]
DEBUG 2024-08-14 17:12:57,800 [shard 0:main] bluestore - bluestore(/var/lib/ceph/osd/ceph-2/block) _write_bdev_label path /var/lib/ceph/osd/ceph-2/block label bdev(osd_uuid
d2ce936a-24b4-415d-9979-
c8d75a9ea0f4, size 0x1680000000, btime 2024-08-14T17:10:52.823128+0000, desc main, 16 meta) locations [0,
1073741824,
10737418240]
DEBUG 2024-08-14 17:12:58,801 [shard 0:main] bluestore - bluestore(/var/lib/ceph/osd/ceph-2/block) _write_bdev_label path /var/lib/ceph/osd/ceph-2/block label bdev(osd_uuid
d2ce936a-24b4-415d-9979-
c8d75a9ea0f4, size 0x1680000000, btime 2024-08-14T17:10:52.823128+0000, desc main, 16 meta) locations [0,
1073741824,
10737418240]
DEBUG 2024-08-14 17:12:59,717 [shard 0:main] bluestore - bluestore(/var/lib/ceph/osd/ceph-2/block) _write_bdev_label path /var/lib/ceph/osd/ceph-2/block label bdev(osd_uuid
d2ce936a-24b4-415d-9979-
c8d75a9ea0f4, size 0x1680000000, btime 2024-08-14T17:10:52.823128+0000, desc main, 16 meta) locations [0,
1073741824,
10737418240]
DEBUG 2024-08-14 17:13:00,714 [shard 0:main] bluestore - bluestore(/var/lib/ceph/osd/ceph-2/block) _write_bdev_label path /var/lib/ceph/osd/ceph-2/block label bdev(osd_uuid
d2ce936a-24b4-415d-9979-
c8d75a9ea0f4, size 0x1680000000, btime 2024-08-14T17:10:52.823128+0000, desc main, 16 meta) locations [0,
1073741824,
10737418240]
DEBUG 2024-08-14 17:13:01,812 [shard 0:main] bluestore - bluestore(/var/lib/ceph/osd/ceph-2/block) _write_bdev_label path /var/lib/ceph/osd/ceph-2/block label bdev(osd_uuid
d2ce936a-24b4-415d-9979-
c8d75a9ea0f4, size 0x1680000000, btime 2024-08-14T17:10:52.823128+0000, desc main, 16 meta) locations [0,
1073741824,
10737418240]
```
The continues `write_meta` calls misuse bdev replication.
Fixes: https://tracker.ceph.com/issues/67568
Co-authored-by: Adam Kupczyk <akupczyk@ibm.com>
Signed-off-by: Matan Breizman <mbreizma@redhat.com>