linux-kernel - Re: [PATCH 03/39] proc: introduce proc_create_seq

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Date:   Tue, 24 Apr 2018 16:19:02 +0200
From:   Christoph Hellwig <hch@....de>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-rtc@...r.kernel.org, Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org, Corey Minyard <minyard@....org>,
        linux-ide@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        jfs-discussion@...ts.sourceforge.net,
        linux-afs@...ts.infradead.org, linux-acpi@...r.kernel.org,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.com>, linux-ext4@...r.kernel.org,
        Alexey Dobriyan <adobriyan@...il.com>,
        megaraidlinux.pdl@...adcom.com, drbd-dev@...ts.linbit.com
Subject: Re: [PATCH 03/39] proc: introduce proc_create_seq_private

On Thu, Apr 19, 2018 at 05:18:18PM +0300, Dan Carpenter wrote:
> > -static const struct file_operations cio_ignore_proc_fops = {
> > -	.open    = cio_ignore_proc_open,
> > -	.read    = seq_read,
> > -	.llseek  = seq_lseek,
> > -	.release = seq_release_private,
> > -	.write   = cio_ignore_write,
>                    ^^^^^^^^^^^^^^^^
> The cio_ignore_write() function isn't used any more so compilers will
> complain.

No compiler in the buildboot farm complained, but neverless this