linux-kernel - Re: [PATCH v2 1/2] dm-unstripe: unstripe of IO across RAID 0

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Message-ID: <20171211232550.GD11218@localhost.localdomain>
Date:   Mon, 11 Dec 2017 16:25:50 -0700
From:   Keith Busch <keith.busch@...el.com>
To:     Scott Bauer <scott.bauer@...el.com>
Cc:     dm-devel@...hat.com, snitzer@...hat.com, agk@...hat.com,
        linux-kernel@...r.kernel.org, jonathan.derrick@...el.com
Subject: Re: [PATCH v2 1/2] dm-unstripe: unstripe of IO across RAID 0

On Mon, Dec 11, 2017 at 09:00:18AM -0700, Scott Bauer wrote:
> +
> +	dm_set_target_max_io_len(ti, target->max_hw_sectors);

The return for this function has "__must_check", so it's currently
throwing an a compiler warning.

Otherwise, this looks like it's doing what you want, and tests
successfully on my synthetic workloads.

Acked-by: Keith Busch <keith.busch@...el.com>