linux-ext4 - Re: [PATCH v7 11/11] ext4: introduce direct I/O write using iomap infrastructure

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Message-ID: <20191105210043.GC1739@bobrowski>
Date:   Wed, 6 Nov 2019 08:00:44 +1100
From:   Matthew Bobrowski <mbobrowski@...browski.org>
To:     "Theodore Y. Ts'o" <tytso@....edu>
Cc:     Jan Kara <jack@...e.cz>, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        riteshh@...ux.ibm.com
Subject: Re: [PATCH v7 11/11] ext4: introduce direct I/O write using iomap
 infrastructure

On Tue, Nov 05, 2019 at 03:53:03PM -0500, Theodore Y. Ts'o wrote:
> On Wed, Nov 06, 2019 at 07:32:00AM +1100, Matthew Bobrowski wrote:
> > > Otherwise you would write out and invalidate too much AFAICT - the 'offset'
> > > is position just before we fall back to buffered IO. Otherwise this hunk
> > > looks good to me.
> > 
> > Er, yes. That's right, it should rather be 'err' instead or else we
> > would write/invalidate too much. I actually had this originally, but I
> > must've muddled it up while rewriting this patch on my other computer.
> > 
> > Thanks for picking that up!
> 
> I can fix that up in my tree, unless there are any other changes that
> we need to make.

If you could, that would be super awesome as I don't really see
anything else changing in this series. I'll probably send through some
minor optimisations/refactoring cleanups after this series lands, but
that can come at a later point.

/M