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Date:   Wed, 29 Mar 2023 17:07:38 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Damien Le Moal <damien.lemoal@opensource.wdc.com>
Cc:     Christoph Hellwig <hch@infradead.org>,
        linux-fsdevel@vger.kernel.org,
        Johannes Thumshirn <johannes.thumshirn@wdc.com>,
        Hans Holmberg <hans.holmberg@wdc.com>
Subject: Re: [PATCH] zonefs: Always invalidate last cache page on append write
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On Thu, Mar 30, 2023 at 08:57:56AM +0900, Damien Le Moal wrote:
> Not sure what you mean here. "iomap-using path fix" ?
> Do you mean adding a comment about the fact that zonefs does not fallback to
> doing buffered writes if the iomap_dio_rw() or zonefs dio append direct write fail ?

Making sure that the odd ENOTBLK error code does not leak to userspace
for this case on zonefs.