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

Started byRichard Weinberger <richard.weinberger@gmail.com>
First post2017-07-21 22:00 +0200
Last post2017-07-25 16:30 +0200
Articles 2 — 2 participants

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  Re: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd mapping Richard Weinberger <richard.weinberger@gmail.com> - 2017-07-21 22:00 +0200
    Re: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd  mapping Pali Rohár <pali.rohar@gmail.com> - 2017-07-25 16:30 +0200

#1693950 — Re: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd mapping

FromRichard Weinberger <richard.weinberger@gmail.com>
Date2017-07-21 22:00 +0200
SubjectRe: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd mapping
Message-ID<u5MfD-yv-1@gated-at.bofh.it>
Pali,

On Fri, Jun 2, 2017 at 5:43 PM, Pali Rohár <pali.rohar@gmail.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

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#1695782 — Re: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd mapping

FromPali Rohár <pali.rohar@gmail.com>
Date2017-07-25 16:30 +0200
SubjectRe: [PATCH 4/5] mtd: block2mtd: Add support for deleting block2mtd mapping
Message-ID<u790v-3Vq-11@gated-at.bofh.it>
In reply to#1693950
On Friday 21 July 2017 21:56:41 Richard Weinberger wrote:
> Pali,
> 
> On Fri, Jun 2, 2017 at 5:43 PM, Pali Rohár <pali.rohar@gmail.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.

ioctl interface has a problem that cannot be easily used from shell. It
needs to have another tool which uses it. On the other hand sysfs
interface can be used from bash script which is better.

Any idea for better interface without need for ioctl?

-- 
Pali Rohár
pali.rohar@gmail.com

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