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Date: Sun, 6 Aug 2017 11:39:20 +0200 From: Richard Weinberger <richard@....at> 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>, 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, Am 25.07.2017 um 16:24 schrieb Pali Rohár: > 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@...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. > > 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? No, please use ioctl and add a proper tool to mtd-utils. in MTD we use ioctl for all non-trivial interfaces. :-) Thanks, //richard
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