From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:48907 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750772AbdKUSyT (ORCPT ); Tue, 21 Nov 2017 13:54:19 -0500 Date: Tue, 21 Nov 2017 10:53:46 -0800 From: "Darrick J. Wong" Subject: Re: [PATCH v2] iomap: report collisions between directio and buffered writes to userspace Message-ID: <20171121185346.GC2135@magnolia> References: <20171117193925.GM5119@magnolia> <20171120161829.GA25991@bombadil.infradead.org> <20171120202606.GN5858@dastard> <20171120215100.GB8933@bombadil.infradead.org> <20171120222749.GO5858@dastard> <20171121172347.GA7640@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171121172347.GA7640@bombadil.infradead.org> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: Matthew Wilcox Cc: Dave Chinner , xfs , Ilya Dryomov , linux-fsdevel , Brian Foster , holger@applied-asynchrony.com, linux-ext4 , linux-btrfs On Tue, Nov 21, 2017 at 09:23:47AM -0800, Matthew Wilcox wrote: > On Tue, Nov 21, 2017 at 09:27:49AM +1100, Dave Chinner wrote: > > On Mon, Nov 20, 2017 at 01:51:00PM -0800, Matthew Wilcox wrote: > > > If you want an example of it in use, I'm pretty happy with this patch > > > that switches the brd driver entirely from the radix tree API to the > > > xarray API: > > > > > > http://git.infradead.org/users/willy/linux-dax.git/commitdiff/dbf96ae943e43563cbbaa26e21b656b6fe8f4b0f > > > > Looks pretty neat, but I'll reserve judgement for when I see the > > conversion of the XFS radix tree code.... > > Challenge accepted. This was a good thing for me to do because I found > some opportunities to improve the XArray API. > > Changes since yesterday: > > - Added XA_NO_TAG > - Added 'max' parameters to xa_get_entries() and xa_get_tagged() > - Changed the order of the arguments of xa_get_entries() and xa_get_tagged() > to match the radix tree equivalents > > You can see the patches on that (rebased) branch: > > xfs: Convert mru cache to XArray > xfs: Convert xfs dquot to XArray > xfs: Convert pag_ici_root to XArray > xfs: Convert m_perag_tree to XArray > > or did you want me to send them by email? Yes please. --D > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html