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Date:   Fri, 11 Aug 2023 01:34:28 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Hugh Dickins <hughd@google.com>
Cc:     "Darrick J. Wong" <djwong@kernel.org>,
        Christoph Hellwig <hch@infradead.org>,
        Christian Brauner <brauner@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Oleksandr Tymoshenko <ovt@google.com>,
        Carlos Maiolino <cem@kernel.org>,
        Jeff Layton <jlayton@kernel.org>,
        Chuck Lever <chuck.lever@oracle.com>, Jan Kara <jack@suse.cz>,
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        Topi Miettinen <toiwoton@gmail.com>,
        Yu Kuai <yukuai3@huawei.com>, linux-fsdevel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: [PATCH vfs.tmpfs 4/5] tmpfs: trivial support for direct IO
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On Thu, Aug 10, 2023 at 11:16:20PM -0700, Hugh Dickins wrote:
> Helpful support, thanks.  But I didn't read Christoph as unhappy with
> the granularity issue: just giving me directIOn to FMODE_CAN_ODIRECT,
> and rightly wondering why we ever fail O_DIRECTs.

Exactly.