linux-kernel - Re: moving affs + RDB partition support to staging?

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Message-ID: <70a446d7-f0d4-f086-b634-f7bb0db6d2ab@gmail.com>
Date:   Tue, 26 Jun 2018 20:40:36 +1200
From:   Michael Schmitz <schmitzmic@...il.com>
To:     Martin Steigerwald <martin@...htvoll.de>
Cc:     jdow <jdow@...thlink.net>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Matthew Wilcox <willy@...radead.org>,
        David Sterba <dsterba@...e.cz>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jens Axboe <axboe@...nel.dk>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>
Subject: Re: moving affs + RDB partition support to staging?

Hi Martin,


Am 26.06.18 um 20:02 schrieb Martin Steigerwald:
> Michael.
>
> Michael Schmitz - 26.06.18, 04:23:
>> Joanne,
>>
>> Martin's boot log (including your patch) says:
>>
>> Jun 19 21:19:09 merkaba kernel: [ 7891.843284]  sdb: RDSK (512) sdb1
>> (LNX^@)(res 2 spb 1) sdb2 (JXF^D)(res 2 spb 1) sdb3 (DOS^C)(res 2 spb
>> 4)
>> Jun 19 21:19:09 merkaba kernel: [ 7891.844055] sd 7:0:0:0: [sdb]
>> Attached SCSI disk
>>
>> so it's indeed a case of self inflicted damage (RDSK (512) means 512
>> byte blocks) and can be worked around by using a different block size.
> Well I pretty much believe that this was the standard block size of the 
> tool I used in order to create the RDB. I think it has  been Media 

No offense meant - 512 bytes per block would certainly have been the
default and it certainly wasn't obvious that this needed changing.

> Toolbox + the engine behind it, from AmigaOS 4.0 (not 4.1) or so. DOS-
> Type JXF points to JXFS, an AmigaOS 4 only filesystem that meanwhile has 
> been deprecated by AmigaOS upstream.
>
> Maybe HDToolbox + hdwrench.library by Joanne (AmigaOS 3.5/3.9) would 
> have set it up differently.
>
> Anyway: It works like this in AmigaOS 4 without any issues. With 512 
> Byte Blocks. I think it is good that Linux does not create data 
> corruption when writing to disks that work just fine in AmigaOS. 
> Especially as those using AmigaNG machines like AmigaOne X1000/X5000 or 
> Acube Sam machines may dual boot AmigaOS and Linux on their machines.

That's the goal.

> Thanks again for putting together a patch.

The hard work had been done by Joanne and you six years ago, so no
matter at all. If Jens and the crowd at linux-block point out errors in
review, I take that as a learning experience...

Cheers,

     Michael


>
> Thanks,