linux-kernel - Re: [PATCH 1/6] seq_file: add seq_read

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Message-ID: <CAHk-=wiRM_wDsz1AZ4hyWbctikjSXsYMe-ofvtnQRQ1mFcTqnA@mail.gmail.com>
Date:   Wed, 11 Nov 2020 14:27:02 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Christoph Hellwig <hch@....de>,
        Greg KH <gregkh@...uxfoundation.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/6] seq_file: add seq_read_iter

On Wed, Nov 11, 2020 at 2:21 PM Al Viro <viro@...iv.linux.org.uk> wrote:
>
> Something like below (build-tested only):

Apart from my usual "oh, Gods, the iter model really does confuse me"
this looks more like what I expected, yes.

Considering the original bug, I'm clearly not the only one confused by
the iov_iter helper functions and the rules..

             Linus