From: Tejun Heo <tj@kernel.org>
To: Shaun Tancheff <shaun@tancheff.com>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
Christoph Hellwig <hch@lst.de>, Tom Yan <tom.ty89@gmail.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Damien Le Moal <damien.lemoal@hgst.com>,
Hannes Reinecke <hare@suse.de>,
Josh Bingaman <josh.bingaman@seagate.com>,
Hannes Reinecke <hare@suse.com>
Subject: Re: [PATCH v6 0/4] SCT Write Same
Date: Thu, 25 Aug 2016 11:28:11 -0400 [thread overview]
Message-ID: <20160825152811.GA20479@htj.duckdns.org> (raw)
In-Reply-To: <20160822042321.24367-1-shaun@tancheff.com>
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
prev parent reply other threads:[~2016-08-25 15:28 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-22 4:23 [PATCH v6 0/4] SCT Write Same Shaun Tancheff
2016-08-22 4:23 ` [PATCH v6 1/4] libata: Safely overwrite attached page in WRITE SAME xlat Shaun Tancheff
2016-08-22 6:27 ` Hannes Reinecke
2016-08-22 19:27 ` Tom Yan
2016-08-22 19:51 ` Shaun Tancheff
2016-08-22 20:12 ` Tom Yan
2016-08-22 21:20 ` Tom Yan
2016-08-22 22:00 ` Shaun Tancheff
2016-08-22 23:49 ` Tom Yan
2016-08-23 1:01 ` Shaun Tancheff
2016-08-23 5:26 ` Tom Yan
2016-08-23 6:20 ` Shaun Tancheff
2016-08-23 7:53 ` Tom Yan
2016-08-23 8:42 ` Shaun Tancheff
2016-08-23 9:04 ` Tom Yan
2016-08-24 3:33 ` Martin K. Petersen
2016-08-24 5:31 ` Tom Yan
2016-08-24 21:28 ` Shaun Tancheff
2016-08-25 6:31 ` Tom Yan
2016-08-25 7:18 ` Shaun Tancheff
2016-08-22 4:23 ` [PATCH v6 2/4] Add support for SCT Write Same Shaun Tancheff
2016-08-22 6:27 ` Hannes Reinecke
2016-08-22 19:20 ` Tom Yan
2016-08-22 19:43 ` Shaun Tancheff
2016-08-22 20:14 ` Tom Yan
2016-08-22 22:07 ` Shaun Tancheff
2016-08-22 23:09 ` Tom Yan
2016-08-23 0:36 ` Shaun Tancheff
2016-08-23 5:55 ` Tom Yan
2016-08-23 6:11 ` Shaun Tancheff
2016-08-23 7:57 ` Tom Yan
2016-08-23 10:37 ` Tom Yan
2016-08-23 10:56 ` Shaun Tancheff
2016-08-24 5:57 ` Tom Yan
2016-08-24 6:10 ` Tom Yan
2016-08-24 22:04 ` Shaun Tancheff
2016-08-25 6:23 ` Tom Yan
2016-08-25 7:31 ` Shaun Tancheff
2016-08-22 4:23 ` [PATCH v6 3/4] SCT Write Same / DSM Trim Shaun Tancheff
2016-08-22 6:30 ` Hannes Reinecke
2016-08-24 18:08 ` [PATCH v6 3/4 RESEND] " Shaun Tancheff
2016-08-25 7:01 ` Tom Yan
2016-08-25 8:03 ` Shaun Tancheff
2016-08-25 9:30 ` Tom Yan
2016-08-22 8:31 ` [PATCH v6 3/4] " Tom Yan
2016-08-22 8:33 ` Tom Yan
2016-08-22 15:04 ` Shaun Tancheff
2016-08-22 17:02 ` Tom Yan
2016-08-22 18:00 ` Shaun Tancheff
2016-08-22 18:52 ` Tom Yan
2016-08-22 20:57 ` Tom Yan
2016-08-22 4:23 ` [PATCH v6 4/4] SCT Write Same handle ATA_DFLAG_PIO Shaun Tancheff
2016-08-22 6:31 ` Hannes Reinecke
2016-08-22 6:32 ` [PATCH v6 0/4] SCT Write Same Hannes Reinecke
2016-08-25 15:28 ` Tejun Heo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160825152811.GA20479@htj.duckdns.org \
--to=tj@kernel.org \
--cc=damien.lemoal@hgst.com \
--cc=hare@suse.com \
--cc=hare@suse.de \
--cc=hch@lst.de \
--cc=josh.bingaman@seagate.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=martin.petersen@oracle.com \
--cc=shaun@tancheff.com \
--cc=tom.ty89@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox