Re: [Fwd: FIO suggestion]

From: Jens Axboe <>
Date: Mon, 4 Feb 2008 09:24:03 +0100

On Mon, Feb 04 2008, Zhang, Yanmin wrote:
> iodepth will be set to 1 if the io enginee is SYNC, as well as
> iodepth_batch.
> Is it possible to use different values although it's SYNC? I mean, the
> core could call writev/readv, so iodepth means the vector number in
> writev/readv.

OK, so for sequential IO, piece them together in an iovec and use readv
or writev when we see a non-sequential bit? It's definitely possible,
though I don't know if I'd call that queuing.

I'll give it a go!

Jens Axboe
Received on Mon Feb 04 2008 - 09:24:03 CET

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