From: Dave Chinner <david@fromorbit.com>
To: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
Zach Brown <zab@zabbo.net>,
"Maxim V. Patlasov" <mpatlasov@parallels.com>
Subject: Re: [PATCH v3 00/22] loop: Issue O_DIRECT aio using bio_vec
Date: Tue, 23 Oct 2012 12:59:11 +1100 [thread overview]
Message-ID: <20121023015911.GO4291@dastard> (raw)
In-Reply-To: <5085EA94.7000901@oracle.com>
On Mon, Oct 22, 2012 at 07:53:40PM -0500, Dave Kleikamp wrote:
> On 10/22/2012 07:07 PM, Dave Chinner wrote:
> > On Mon, Oct 22, 2012 at 10:15:00AM -0500, Dave Kleikamp wrote:
> >> This is the current version of the patchset I presented at the LSF-MM
> >> Summit in San Francisco in April. I apologize for letting it go so
> >> long before re-submitting.
> >>
> >> This patchset was begun by Zach Brown and was originally submitted for
> >> review in October, 2009. Feedback was positive, and I have picked up
> >> where he left off, porting his patches to the latest mainline kernel
> >> and adding support more file systems.
> >>
> >> This patch series adds a kernel interface to fs/aio.c so that kernel code can
> >> issue concurrent asynchronous IO to file systems. It adds an aio command and
> >> file system methods which specify io memory with pages instead of userspace
> >> addresses.
> >>
> >> This series was written to reduce the current overhead loop imposes by
> >> performing synchronus buffered file system IO from a kernel thread. These
> >> patches turn loop into a light weight layer that translates bios into iocbs.
> >
> > I note that there is no support for XFS in this patch set. Is there
> > a particular problem that prevents XFS from being converted, or it
> > just hasn't been done?
>
> It just hasn't been done. It wasn't one of the trivial ones so I put it
> off at first, and after that, it's an oversight. I'll follow up with an
> xfs patch for your review.
Thanks Shaggy, that's all I wanted to know. No extra work for me
(apart from review and testing) is fine by me. ;)
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2012-10-23 1:59 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-22 15:15 [PATCH v3 00/22] loop: Issue O_DIRECT aio using bio_vec Dave Kleikamp
2012-10-22 15:15 ` [PATCH 01/22] iov_iter: move into its own file Dave Kleikamp
2012-10-22 15:15 ` [PATCH 02/22] iov_iter: iov_iter_copy_from_user() should use non-atomic copy Dave Kleikamp
2012-10-22 15:15 ` [PATCH 03/22] iov_iter: add copy_to_user support Dave Kleikamp
[not found] ` <1350918922-6096-1-git-send-email-dave.kleikamp-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-22 15:15 ` [PATCH 04/22] fuse: convert fuse to use iov_iter_copy_[to|from]_user Dave Kleikamp
2012-10-22 15:15 ` Dave Kleikamp
2012-10-22 15:15 ` [PATCH 05/22] iov_iter: hide iovec details behind ops function pointers Dave Kleikamp
2012-10-22 15:15 ` [PATCH 06/22] iov_iter: add bvec support Dave Kleikamp
2012-10-22 15:15 ` [PATCH 07/22] iov_iter: add a shorten call Dave Kleikamp
2012-10-22 15:15 ` [PATCH 08/22] iov_iter: let callers extract iovecs and bio_vecs Dave Kleikamp
2012-10-22 15:15 ` [PATCH 09/22] dio: create a dio_aligned() helper function Dave Kleikamp
2012-10-22 15:15 ` [PATCH 10/22] dio: Convert direct_IO to use iov_iter Dave Kleikamp
2012-10-22 15:15 ` [PATCH 11/22] dio: add bio_vec support to __blockdev_direct_IO() Dave Kleikamp
2012-10-22 15:15 ` [PATCH 12/22] fs: pull iov_iter use higher up the stack Dave Kleikamp
2012-10-22 15:15 ` [PATCH 13/22] aio: add aio_kernel_() interface Dave Kleikamp
2012-10-22 15:15 ` [PATCH 14/22] aio: add aio support for iov_iter arguments Dave Kleikamp
2012-10-22 15:15 ` [PATCH 15/22] bio: add bvec_length(), like iov_length() Dave Kleikamp
2012-10-22 15:15 ` [PATCH 16/22] loop: use aio to perform io on the underlying file Dave Kleikamp
2012-10-22 15:15 ` [PATCH 17/22] fs: add read_iter and write_iter to several file systems Dave Kleikamp
2012-10-22 15:15 ` [PATCH 18/22] ocfs2: add support for read_iter, write_iter, and direct_IO_bvec Dave Kleikamp
2012-10-22 15:15 ` [PATCH 19/22] ext4: add support for read_iter and write_iter Dave Kleikamp
2012-10-22 15:15 ` [PATCH 20/22] nfs: add support for read_iter, write_iter Dave Kleikamp
2012-10-22 15:21 ` Myklebust, Trond
2012-10-22 15:35 ` Dave Kleikamp
2012-10-22 15:15 ` [PATCH 21/22] btrfs: add support for read_iter and write_iter Dave Kleikamp
2012-10-22 15:15 ` [PATCH 22/22] block_dev: add support for read_iter, write_iter Dave Kleikamp
2012-10-23 0:07 ` [PATCH v3 00/22] loop: Issue O_DIRECT aio using bio_vec Dave Chinner
2012-10-23 0:53 ` Dave Kleikamp
2012-10-23 1:59 ` Dave Chinner [this message]
2012-10-23 13:04 ` Christoph Hellwig
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