linux-kernel - Re: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd mapping

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Message-ID: <CAFLxGvwdcA1eHZnNcMNsGTqM4AAFyxyehZ1d==kEYBjCo8-_Rg@mail.gmail.com>
Date:   Fri, 21 Jul 2017 21:56:41 +0200
From:   Richard Weinberger <richard.weinberger@...il.com>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Joern Engel <joern@...ybastard.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>,
        Artem Bityutskiy <dedekind1@...il.com>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd mapping

Pali,

On Fri, Jun 2, 2017 at 5:43 PM, Pali Rohár <pali.rohar@...il.com> wrote:
> This patch allows user to delete block2mtd mapping via parameters file
> /sys/module/block2mtd/parameters/block2mtd
>
> Syntax is "del=device", e.g.:
>
> $ echo -n del=/dev/loop0 > /sys/module/block2mtd/parameters/block2mtd

As I wrote in an earlier mail, I hate this interface.
I suggest adding a decent ioctl based interface for dynamic block2mtd's.

-- 
Thanks,
//richard