linux-ext4 - Re: [PATCH v6 00/11] ext4: port direct I/O to iomap infrastructure

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Date:   Wed, 30 Oct 2019 12:26:52 +0100
From:   Jan Kara <jack@...e.cz>
To:     Matthew Bobrowski <mbobrowski@...browski.org>
Cc:     "Theodore Y. Ts'o" <tytso@....edu>, jack@...e.cz,
        adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, hch@...radead.org,
        david@...morbit.com, darrick.wong@...cle.com
Subject: Re: [PATCH v6 00/11] ext4: port direct I/O to iomap infrastructure

On Wed 30-10-19 13:00:24, Matthew Bobrowski wrote:
> On Tue, Oct 29, 2019 at 07:34:01PM -0400, Theodore Y. Ts'o wrote:
> > On Tue, Oct 29, 2019 at 07:31:59PM -0400, Theodore Y. Ts'o wrote:
> > > Hi Matthew, it looks like there are a number of problems with this
> > > patch series when using the ext3 backwards compatibility mode (e.g.,
> > > no extents enabled).
> > > 
> > > So the following configurations are failing:
> > > 
> > > kvm-xfstests -c ext3   generic/091 generic/240 generic/263
> 
> This is one mode that I didn't get around to testing. Let me take a
> look at the above and get back to you.

If I should guess, I'd start looking at what that -ENOTBLK fallback from
direct IO ends up doing as we seem to be hitting that path...

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR