From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>,
xfs <linux-xfs@vger.kernel.org>,
Ilya Dryomov <idryomov@gmail.com>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Brian Foster <bfoster@redhat.com>,
holger@applied-asynchrony.com,
linux-ext4 <linux-ext4@vger.kernel.org>,
linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH v2] iomap: report collisions between directio and buffered writes to userspace
Date: Tue, 21 Nov 2017 10:53:46 -0800 [thread overview]
Message-ID: <20171121185346.GC2135@magnolia> (raw)
In-Reply-To: <20171121172347.GA7640@bombadil.infradead.org>
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
prev parent reply other threads:[~2017-11-21 18:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-17 19:39 [PATCH v2] iomap: report collisions between directio and buffered writes to userspace Darrick J. Wong
2017-11-17 22:56 ` Liu Bo
2017-11-20 16:18 ` Matthew Wilcox
2017-11-20 20:26 ` Dave Chinner
2017-11-20 21:51 ` Matthew Wilcox
2017-11-20 22:27 ` Dave Chinner
2017-11-21 1:37 ` Darrick J. Wong
2017-11-21 4:32 ` Matthew Wilcox
2017-11-21 6:48 ` Dave Chinner
2017-11-21 12:52 ` Matthew Wilcox
2017-11-21 22:28 ` Dave Chinner
2017-11-22 0:05 ` Darrick J. Wong
2017-11-21 17:23 ` Matthew Wilcox
2017-11-21 18:53 ` Darrick J. Wong [this message]
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