[PATCH V3 0/9] nvmet: add ZBD backend support

[Chaitanya Kulkarni]

On 11/30/20 22:47, Damien Le Moal wrote:
> This passes for me:
>
> ./zonefs-tests.sh -t 0012 /dev/nullb0
> Gathering information on /dev/nullb0...
> zonefs-tests on /dev/nullb0:
>   4 zones (0 conventional zones, 4 sequential zones)
>   524288 512B sectors zone size (256 MiB)
>   1 max open zones
> Running tests
>   Test 0012:  mkzonefs (invalid device)                            ... PASS
>
> 1 / 1 tests passed
>
> This test create a a regular nullb device and tries mkzonefs on it, which should
> fail since the block device is not zoned. In your case, it looks like the test
> endup using an existing zoned nullb device, which should not happen (nullb4 and
> nullb5). How many nullb devices do you have on that system ?

True, my test script creates random number nvmet namespaces and nullblk
devices.

I think testcase is reading the wrong device, let me finish the V4 with
removing

bio checks as per your comments and I'll look into this.