Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932504Ab2JWAH7 (ORCPT ); Mon, 22 Oct 2012 20:07:59 -0400 Received: from ipmail05.adl6.internode.on.net ([150.101.137.143]:2152 "EHLO ipmail05.adl6.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932366Ab2JWAH6 (ORCPT ); Mon, 22 Oct 2012 20:07:58 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtwMAOfehVB5LNyp/2dsb2JhbABEhSu2IYVygQmCIAEBBTocIxAIAxguFCUDIROIA6t7kFIUi0SGbwOVcIlChniDAw Date: Tue, 23 Oct 2012 11:07:33 +1100 From: Dave Chinner To: Dave Kleikamp Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Zach Brown , "Maxim V. Patlasov" Subject: Re: [PATCH v3 00/22] loop: Issue O_DIRECT aio using bio_vec Message-ID: <20121023000733.GG4291@dastard> References: <1350918922-6096-1-git-send-email-dave.kleikamp@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1350918922-6096-1-git-send-email-dave.kleikamp@oracle.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1434 Lines: 34 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? Cheers, Dave. -- Dave Chinner david@fromorbit.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/