From: "Stephen C. Tweedie" <sct@redhat.com>
To: Andrew Morton <akpm@digeo.com>
Cc: roy@karlsbakk.net, linux-kernel <linux-kernel@vger.kernel.org>,
Stephen Tweedie <sct@redhat.com>
Subject: Re: [PATCH] O_DIRECT for ext3 (2.4.21)
Date: 17 Jun 2003 21:46:59 +0100 [thread overview]
Message-ID: <1055882819.16608.4.camel@sisko.scot.redhat.com> (raw)
In-Reply-To: <20030617131927.2ac04150.akpm@digeo.com>
Hi,
On Tue, 2003-06-17 at 21:19, Andrew Morton wrote:
> It works out OK in 2.5, and we should do it this way in 2.4 too:
>
> - dentry_open() checks for inode->i_mapping->a_ops->direct_IO
>
> - setfl() checks for inode->i_mapping->a_ops->direct_IO
>
> - the a_ops for data-journalled inodes have a null ->direct_IO.
That's what the -aa patches do, and I've got those queued in my local
O_DIRECT stuff already. ext3 will just expose a different a_ops for
data-journaled files.
Cheers,
Stephen
next prev parent reply other threads:[~2003-06-17 20:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-15 11:01 Roy Sigurd Karlsbakk
2003-06-15 11:32 ` Matti Aarnio
2003-06-16 8:47 ` Roy Sigurd Karlsbakk
2003-06-17 14:49 ` Stephen C. Tweedie
2003-06-17 20:01 ` Andrew Morton
2003-06-17 20:19 ` Andrew Morton
2003-06-17 20:46 ` Stephen C. Tweedie [this message]
2003-06-19 10:49 ` Roy Sigurd Karlsbakk
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