Re: [PATCH liburing] test/io_uring_passthrough: add test for vectored fixed-buffers

[Jens Axboe <axboe@kernel.dk>]

On 5/21/25 8:20 AM, Anuj gupta wrote:
>>> Regarding the vectored I/O being limited to 1 iovec ? yeah, I kept it
>>> simple initially because the plumbing was easier that way. It?s the same
>>> in test/read-write.c, where vectored calls also use just one iovec. But
>>> I agree, for better coverage, it makes sense to test with multiple
>>> iovecs. I?ll prepare and post a follow-up patch that adds that.
>>
>> We really should ensure it exercises at least the three common types
>> for iovec imports:
>>
>> 1) Single segment
>> 2) Multi segment, but below dynamic alloc range
>> 3) Multi segment, above (or equal) to dynamic alloc range
>>
>> These days 2+3 are the same thing, so makes it a bit easier, as we
>> just embed a single vec.
>>
>> Bonus points if you want to send followup patches for both the
>> passthrough and read-write case using eg 4 segments or something
>> like that.
>>
> 
> Thanks, Jens. Makes sense.
> I’ll follow up with patches to cover all those vectored I/O cases.

Great, thanks!

-- 
Jens Axboe