[PATCHv3 blktests] nvme: add test for creating/deleting file-ns

[Nilay Shroff]

On 6/19/24 16:29, Daniel Wagner wrote:
> On Wed, Jun 19, 2024 at 04:16:40PM GMT, Nilay Shroff wrote:
>> +	# start iteration from ns-id 2 because ns-id 1 is created
>> +	# by default when nvme target is setup. Also ns-id 1 is
>> +	# deleted when nvme target is cleaned up.
>> +	for ((i = 2; i <= iterations; i++)); do {
>> +		truncate -s "${NVME_IMG_SIZE}" "$(_nvme_def_file_path).$i"
>> +		_create_nvmet_ns "${def_subsysnqn}" "${i}" "$(_nvme_def_file_path).$i"
>> +
>> +		# allow async request to be processed
>> +		sleep 1
> 
> This looks a bit fragile to ensure all request have been processed. Would
> it possible to wait on a state?  E.g. something like
> 
>   nvmf_wait_for_state()
> 
> ?
OK that's a good idea! I think it's possible to wait using _find_nvme_ns() instead 
of using sleep here. We can write a wrapper around _find_nvme_ns() and wait until 
namespace is ready/created.

I will send next patch with the above change. 
> 
>> +
>> +		_remove_nvmet_ns "${def_subsysnqn}" "${i}"
>> +		rm "$(_nvme_def_file_path).$i"
>> +	}
> 

Thanks,
--Nilay