Re: [PATCH v6 0/4] SCT Write Same

From	Tejun Heo <tj@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v6 0/4] SCT Write Same
Date	2016-08-25 17:30 +0200
Message-ID	<sa4Ln-2LX-11@gated-at.bofh.it> (permalink)
References	<s8P21-1r7-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello,

On Sun, Aug 21, 2016 at 11:23:17PM -0500, Shaun Tancheff wrote:
> At some point the method of issuing Write Same for ATA drives changed.
> Currently write same is commonly available via SCT so expose the SCT
> capabilities and use SCT Write Same when it is available.
> 
> This is useful for zoned based media that prefers to support discard
> with lbprz set, aka discard zeroes data by mapping discard operations to
> reset write pointer operations. Conventional zones that do not support
> reset write pointer can still honor the discard zeroes data by issuing
> a write same over the zone.
> 
> It may also be nice to know if various controllers that currently
> disable WRITE SAME will work with the SCT Write Same code path:
>   aacraid, arcmsr, megaraid, 3w-9xxx, 3w-sas, 3w-xxxx, gdth, hpsa, ips,
>   megaraid, pmcraid, storvsc_drv

Applied 1-4 to libata/for-4.9.

Thanks.

-- 
tejun

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[PATCH v6 0/4] SCT Write Same Shaun Tancheff <shaun@tancheff.com> - 2016-08-22 06:30 +0200
  Re: [PATCH v6 0/4] SCT Write Same Hannes Reinecke <hare@suse.de> - 2016-08-22 08:40 +0200
  Re: [PATCH v6 0/4] SCT Write Same Tejun Heo <tj@kernel.org> - 2016-08-25 17:30 +0200

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