From: Jens Axboe <jens.axboe@oracle.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Gerry.Houlder@seagate.com, dougg@torque.net, "Knight,
Frederick" <Frederick.Knight@netapp.com>,
linux-scsi@vger.kernel.org, t10@t10.org,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: Alternative TRIM proposal
Date: Tue, 7 Oct 2008 13:39:31 +0200 [thread overview]
Message-ID: <20081007113931.GU19428@kernel.dk> (raw)
In-Reply-To: <20081003154237.GT13822@parisc-linux.org>
On Fri, Oct 03 2008, Matthew Wilcox wrote:
> It is today the case in Linux that each extent will be sent from the
> filesystem to the block layer individually. I can't speak to other
> operating systems, maybe some of them allow filesystems to send a list
> of extents to the SCSI layer, maybe their SCSI layer can take extents
> out of the queue and bundle them together into a single command.
We do that for lots of regular IO as well, but still support merging
them into a single command - the same could be done for trim, basically
making any of them mergable into a single command.
--
Jens Axboe
next prev parent reply other threads:[~2008-10-07 11:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200810021732.m92HW7qL015836@coles02.co.lsil.com>
2008-10-02 19:37 ` Alternative TRIM proposal Kevin_Marks
2008-10-02 20:07 ` Gerry.Houlder
2008-10-02 22:39 ` Kevin_Marks
2008-10-03 15:42 ` Matthew Wilcox
2008-10-07 11:39 ` Jens Axboe [this message]
2008-10-02 15:24 Matthew Wilcox
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=20081007113931.GU19428@kernel.dk \
--to=jens.axboe@oracle.com \
--cc=Frederick.Knight@netapp.com \
--cc=Gerry.Houlder@seagate.com \
--cc=dougg@torque.net \
--cc=dwmw2@infradead.org \
--cc=linux-scsi@vger.kernel.org \
--cc=matthew@wil.cx \
--cc=t10@t10.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.