Re: [mdadm PATCH] Add failfast support.

From: Jes Sorensen
Date: Mon Nov 28 2016 - 08:53:21 EST

NeilBrown <neilb@xxxxxxxx> writes:
> Allow per-device "failfast" flag to be set when creating an
> array or adding devices to an array.
> When re-adding a device which had the failfast flag, it can be removed
> using --nofailfast.
> failfast status is printed in --detail and --examine output.
> Signed-off-by: NeilBrown <neilb@xxxxxxxx>
> ---
> Hi Jes,
> this patch adds mdadm support for the failfast functionality that
> Shaohua recently included in his for-next.
> Hopefully the man-page additions provide all necessary context.
> If there is anything that seems to be missing, I'll be very happy to
> add it.

Hi Neil,

It looks reasonable. The only minor concern I have is over the use of
hardcoded magic numbers like 'dv->failfast = 2' rather than using an
enum or defines with descriptive names. Something that can be addressed
later, so patch applied.