From: Christoph Hellwig <hch@lst.de>
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Christoph Hellwig <hch@lst.de>, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] fat: make discard a mount option
Date: Wed, 18 Nov 2009 20:15:11 +0100 [thread overview]
Message-ID: <20091118191511.GA30512@lst.de> (raw)
In-Reply-To: <87aayj1wg9.fsf@devron.myhome.or.jp>
On Thu, Nov 19, 2009 at 04:09:42AM +0900, OGAWA Hirofumi wrote:
> Yes. But, on the other view, it is the capability of block device (trim
> like stuff is useful on it, or not. Also it would be able to used for
> blacklist from driver).
Yes, and discard works perfectly fine on e.g. the OCZ Vertex SSDs or
storage arrays. It's just not fast enough for the trim on transaction
commit style support that was rushed into various filesystems. It works
perfectly fine with Mark Lord's wiper.sh script, or with an updated
version of my XFS btree walking periodic discard.
> Well, actually, I'm caring the difference of default for those options
> can confuse a bit for users.
I think it should be off by default for everyone, and I'm trying to make
sure that's the case everywhere.
prev parent reply other threads:[~2009-11-18 19:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-18 17:08 [PATCH] fat: make discard a mount option Christoph Hellwig
2009-11-18 18:38 ` OGAWA Hirofumi
2009-11-18 18:53 ` Christoph Hellwig
2009-11-18 19:09 ` OGAWA Hirofumi
2009-11-18 19:15 ` Christoph Hellwig [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=20091118191511.GA30512@lst.de \
--to=hch@lst.de \
--cc=hirofumi@mail.parknet.co.jp \
--cc=linux-fsdevel@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).