From: Artem Bityutskiy <dedekind1@gmail.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Brian Norris <computersforpeace@gmail.com>,
Richard Weinberger <richard@nod.at>,
Dongsheng Yang <yangds.fnst@cn.fujitsu.com>,
linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] ubifs: Allow O_DIRECT
Date: Mon, 24 Aug 2015 11:02:42 +0300 [thread overview]
Message-ID: <1440403362.15510.39.camel@gmail.com> (raw)
In-Reply-To: <20150824075324.GA28336@infradead.org>
On Mon, 2015-08-24 at 00:53 -0700, Christoph Hellwig wrote:
> On Mon, Aug 24, 2015 at 10:13:25AM +0300, Artem Bityutskiy wrote:
> > 1. we are the only FS erroring out on O_DIRECT
> > 2. other file-systems not supporting direct IO just fake it
>
> There are lots of file systems not supporting O_DIRECT, but ubifs
> might
> be the most common one. Given that O_DIRECT implementations aren't
> hard, so what's holding back a real implementation?
Back when we were writing UBIFS, we did not need direct IO, so we did
not implement it. But yes, probably someone who cares could just try
implementing this feature.
Artem.
next prev parent reply other threads:[~2015-08-24 8:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-19 20:35 [PATCH 1/2] ubifs: Remove dead xattr code Richard Weinberger
2015-08-19 20:35 ` [PATCH 2/2] ubifs: Allow O_DIRECT Richard Weinberger
2015-08-20 3:00 ` Dongsheng Yang
2015-08-20 6:42 ` Richard Weinberger
2015-08-20 7:14 ` Dongsheng Yang
2015-08-20 11:31 ` Artem Bityutskiy
2015-08-20 11:40 ` Richard Weinberger
2015-08-20 12:34 ` Artem Bityutskiy
2015-08-24 7:18 ` Artem Bityutskiy
2015-08-24 7:17 ` Dongsheng Yang
2015-08-24 7:20 ` Dongsheng Yang
2015-08-24 8:06 ` Christoph Hellwig
2015-08-20 20:49 ` Brian Norris
2015-08-24 7:13 ` Artem Bityutskiy
2015-08-24 7:53 ` Christoph Hellwig
2015-08-24 8:02 ` Artem Bityutskiy [this message]
2015-08-24 8:03 ` Christoph Hellwig
2015-08-24 8:00 ` Dongsheng Yang
2015-08-24 9:34 ` Artem Bityutskiy
2015-08-24 9:35 ` Richard Weinberger
2015-08-24 16:18 ` Brian Norris
2015-08-24 17:19 ` Jeff Moyer
2015-08-24 23:46 ` Dave Chinner
2015-08-25 1:28 ` Chris Mason
2015-08-25 15:48 ` Artem Bityutskiy
2015-08-25 14:00 ` Jeff Moyer
2015-08-25 14:13 ` Chris Mason
2015-08-25 14:18 ` Jeff Moyer
2015-08-20 11:29 ` Artem Bityutskiy
2015-08-20 2:48 ` [PATCH 1/2] ubifs: Remove dead xattr code Dongsheng Yang
2015-08-20 6:42 ` Artem Bityutskiy
2015-08-20 6:45 ` Richard Weinberger
2015-08-26 14:15 ` Josh Cartwright
2015-08-27 1:00 ` Dongsheng Yang
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=1440403362.15510.39.camel@gmail.com \
--to=dedekind1@gmail.com \
--cc=computersforpeace@gmail.com \
--cc=hch@infradead.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mtd@lists.infradead.org \
--cc=richard@nod.at \
--cc=yangds.fnst@cn.fujitsu.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;
as well as URLs for NNTP newsgroup(s).