Re: [PATCH] generic: basic smoke for filesystems on zoned block devices

[Johannes Thumshirn <Johannes.Thumshirn@wdc.com>]

On 10/6/25 8:40 PM, Carlos Maiolino wrote:
> On Mon, Oct 06, 2025 at 03:24:55PM +0200, Johannes Thumshirn wrote:
>> Add a basic smoke test for filesystems that support running on zoned
>> block devices.
>>
>> It creates a zloop device with 2 sequential and 62 sequential zones,
> This seems wrong? Don't you mean 2 conventional zones?
> Also, won't the arguments used to create the zone dev end up creating 64
> sequential zones? I might be very wrong here, so my apologies in advance
> but looking into the zloop code this seems that 256MiB zone size will end
> up creating 64 sequential zones instead of 62?

2 conventional zones and 62 sequential zones, my mistake:

root@virtme-ng:/mnt# echo "$zloop_args" > /dev/zloop-control
[   75.986238] zloop: Added device 0: 64 zones of 256 MB, 4096 B block size
root@virtme-ng:/mnt# ls $zloopdir/0
cnv-000000  seq-000011  seq-000022  seq-000033  seq-000044 seq-000055
cnv-000001  seq-000012  seq-000023  seq-000034  seq-000045 seq-000056
seq-000002  seq-000013  seq-000024  seq-000035  seq-000046 seq-000057
seq-000003  seq-000014  seq-000025  seq-000036  seq-000047 seq-000058
seq-000004  seq-000015  seq-000026  seq-000037  seq-000048 seq-000059
seq-000005  seq-000016  seq-000027  seq-000038  seq-000049 seq-000060
seq-000006  seq-000017  seq-000028  seq-000039  seq-000050 seq-000061
seq-000007  seq-000018  seq-000029  seq-000040  seq-000051 seq-000062
seq-000008  seq-000019  seq-000030  seq-000041  seq-000052 seq-000063
seq-000009  seq-000020  seq-000031  seq-000042  seq-000053
seq-000010  seq-000021  seq-000032  seq-000043  seq-000054