linux-kernel - Re: overlayfs: "filesystem of lowerdir is not supported" on cdrom

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Message-ID: <5450554B.1080906@decentral.ch>
Date:	Wed, 29 Oct 2014 03:47:39 +0100
From:	Tim Tassonis <stuff@...entral.ch>
To:	Al Viro <viro@...IV.linux.org.uk>
CC:	linux-kernel@...r.kernel.org
Subject: Re: overlayfs: "filesystem of lowerdir is not supported" on cdrom

On 10/28/2014 11:54 PM, Al Viro wrote:
> On Tue, Oct 28, 2014 at 09:13:13PM +0000, Al Viro wrote:
> 
>>
>> We probably ought to split the normal (case-sensitive, no joliet shite) case
>> out and leave it with NULL ->s_d_op, but that'll need to be done carefully,
>> or isofs_cmp() will blow up on us.
> 
> See if vfs.git#for-linus works for you.
> 

Yes, works for me! Could mount the overlayfs, remove a file, add a file
and modify a file. Not the definive stress-test I guess, but it's a start...

Took only the following two commits:

f643ff550afbc82a2bc7026f4a6d64427e4fbc9

5b71ecfa78271d5c576f17156ed8a53981c1ecb

Kind regards
Tim

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