linux-kernel - Re: [RFC][PATCH] libata: enable SATA disk fua detection on default

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Date:	Sun, 9 Sep 2012 22:34:16 +0200
From:	Arvydas Sidorenko <asido4@...il.com>
To:	Michael Tokarev <mjt@....msk.ru>, Jeff Garzik <jeff@...zik.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	linux-scsi@...r.kernel.org, Zheng Liu <wenqing.lz@...bao.com>
Subject: Re: [RFC][PATCH] libata: enable SATA disk fua detection on default

> Meanwhile there already has a number of SATA disks that have supported
> this feature.  So I think maybe we can enable it.
>
> Regards,
> Zheng

Blindly enabling FUA by default in my opinion is not a good idea at all.
I believe the focus should be on detecting FUA support on the device
instead, which the kernel at this point cannot reliably do (is it possible?).

This patch introduced regression: https://lkml.org/lkml/2012/8/27/66

Arvydas
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