From: Jeff Moyer <jmoyer@redhat.com>
To: Zach Brown <zach.brown@oracle.com>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 8/8] loop: use aio to perform io on the underlying file
Date: Tue, 27 Oct 2009 12:01:11 -0400 [thread overview]
Message-ID: <x49ocns25dk.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <1256243157-16667-9-git-send-email-zach.brown@oracle.com> (Zach Brown's message of "Thu, 22 Oct 2009 13:25:57 -0700")
Zach Brown <zach.brown@oracle.com> writes:
> This uses the new kernel aio interface to process loopback IO by submitting
> concurrent direct aio. Previously loop's IO was serialized by synchronus
> processing in a thread. It specifies io memory by directly referencing the
> pages in the incoming bios rather than kmapping them.
Wow, that's pretty straight-forward. Nice job.
Cheers,
Jeff
next prev parent reply other threads:[~2009-10-27 16:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-22 20:25 [RFC] loop: issue aio with pages Zach Brown
2009-10-22 20:25 ` [PATCH 1/8] gadgetfs: use schedule_work() instead of EIOCBRETRY Zach Brown
2009-10-22 20:25 ` [PATCH 2/8] aio: disable retry Zach Brown
2009-10-22 20:25 ` [PATCH 3/8] aio: add an interface to submit aio from the kernel Zach Brown
2009-10-22 20:25 ` [PATCH 4/8] aio: add aio_read_pages and aio_write_pages Zach Brown
2009-10-22 20:25 ` [PATCH 5/8] dio: refactor __blockdev_direct_IO() Zach Brown
2009-10-22 20:25 ` [PATCH 6/8] dio: add an entry point which takes pages Zach Brown
2009-10-22 20:25 ` [PATCH 7/8] block: provide aio_read_pages and aio_write_pages Zach Brown
2009-10-22 20:25 ` [PATCH 8/8] loop: use aio to perform io on the underlying file Zach Brown
2009-10-27 16:01 ` Jeff Moyer [this message]
2009-10-27 15:49 ` [PATCH 6/8] dio: add an entry point which takes pages Jeff Moyer
2009-10-27 17:50 ` Zach Brown
2009-10-27 15:39 ` [PATCH 5/8] dio: refactor __blockdev_direct_IO() Jeff Moyer
2009-10-26 16:17 ` [PATCH 4/8] aio: add aio_read_pages and aio_write_pages Jeff Moyer
2009-10-26 17:08 ` Jeff Moyer
2009-10-26 22:22 ` Zach Brown
2009-10-26 16:10 ` [PATCH 3/8] aio: add an interface to submit aio from the kernel Jeff Moyer
2009-10-26 22:21 ` Zach Brown
2009-10-25 7:37 ` [PATCH 2/8] aio: disable retry Christoph Hellwig
2009-10-26 22:15 ` Zach Brown
2009-10-26 16:00 ` Jeff Moyer
2009-10-26 15:57 ` [PATCH 1/8] gadgetfs: use schedule_work() instead of EIOCBRETRY Jeff Moyer
2009-10-25 7:36 ` [RFC] loop: issue aio with pages Christoph Hellwig
2009-10-26 22:13 ` Zach Brown
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