From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q6SNvn5n099780 for ; Sat, 28 Jul 2012 18:57:49 -0500 Received: from bombadil.infradead.org (173-166-109-252-newengland.hfc.comcastbusiness.net [173.166.109.252]) by cuda.sgi.com with ESMTP id DvJbEAHe8NzM1Yph (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 28 Jul 2012 16:57:48 -0700 (PDT) Date: Sat, 28 Jul 2012 19:57:48 -0400 From: Christoph Hellwig Subject: Re: [PATCH 3/3] xfs_io: implement pwritev for vectored writes Message-ID: <20120728235748.GC10920@infradead.org> References: <1343255450-28559-1-git-send-email-david@fromorbit.com> <1343255450-28559-4-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1343255450-28559-4-git-send-email-david@fromorbit.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Dave Chinner Cc: xfs@oss.sgi.com On Thu, Jul 26, 2012 at 08:30:50AM +1000, Dave Chinner wrote: > From: Dave Chinner > > When looking at KVM based direct IO patterns, I noticed that it was > using preadv and pwritev, and I could not use xfs_io to simulate > these IO patterns. Extend the pwrite command to be able to issue > vectored write IO to enable use to simulate KVM style direct IO. > > Also document the new parameters as well as all the missing pwrite > command parameters in the xfs_io(8) man page. Looks good, Reviewed-by: Christoph Hellwig _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs