Date: Mon, 14 Sep 2015 15:15:39 +0100
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Jeff Layton <jlayton@poochiereds.net>
Cc: bfields@fieldses.org, linux-nfs@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] fs: add fput_queue
Message-ID: <20150914141539.GS22011@ZenIV.linux.org.uk>
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 <1442238355-8203-4-git-send-email-jeff.layton@primarydata.com>
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On Mon, Sep 14, 2015 at 09:45:54AM -0400, Jeff Layton wrote:
> +/**
> + * fput_queue - do an fput without using task_work
> + * @file: file of which to put the reference
> + *
> + * If we need to ensure that the final __fput is done on a file before
> + * returning to userland, then we can't queue it to task_work. For that we
                                                       ?????????
> + * borrow the infrastructure used by kthreads, and the task can then just
> + * called flush_delayed_fput to ensure that the final fput has completed.

Are you sure that it's not a typo?