[PATCH v2] ubi: gluebi: Fix NULL pointer dereference caused by ftl notifier

[Richard Weinberger]

----- Ursprüngliche Mail -----
> Von: "ZhaoLong Wang" <wangzhaolong1 at huawei.com>
> An: "richard" <richard at nod.at>, "chengzhihao1" <chengzhihao1 at huawei.com>
> CC: "Miquel Raynal" <miquel.raynal at bootlin.com>, "Vignesh Raghavendra" <vigneshr at ti.com>, "dpervushin"
> <dpervushin at embeddedalley.com>, "Artem Bityutskiy" <Artem.Bityutskiy at nokia.com>, "linux-mtd"
> <linux-mtd at lists.infradead.org>, "linux-kernel" <linux-kernel at vger.kernel.org>, "yi zhang" <yi.zhang at huawei.com>,
> "yangerkun" <yangerkun at huawei.com>
> Gesendet: Montag, 23. Oktober 2023 08:41:12
> Betreff: Re: [PATCH v2] ubi: gluebi: Fix NULL pointer dereference caused by ftl notifier

>> 
>> IOW, no mtdblock (hence, also no FTLs) on top of gluebi.
>> 
>> What do you guys think?
>> 
>> Thanks,
>> //richard
>> 
> 
> 
> JFFS2 needs to work on the block device, so the mtdblock needs to work
> on the top of gluebi.
> 
> This is directly reflected in the jffs2 mount command, such as
> 
>   # mount -t jffs2 /dev/mtdblockX /mnt/jffs2

The limitation is long gone. It comes from the dark and old times
where Linux was only able to mount block devices.

You can do: mount -t jffs2 mtdX /mnt/jffs2

Thanks,
//richard