linux-ext4 - Re: is there root_fs.arm32 used by xfstests?

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Message-ID: <20200318032817.GA893@sol.localdomain>
Date:   Tue, 17 Mar 2020 20:28:17 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     xiaohui li <lixiaohui1@...omi.corp-partner.google.com>
Cc:     "Theodore Y. Ts'o" <tytso@....edu>,
        Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: is there root_fs.arm32 used by xfstests?

On Wed, Mar 18, 2020 at 11:16:32AM +0800, xiaohui li wrote:
> hello ted:
> 
> many thanks for your xfstests-bld project which can be deployed on
> android systems and make mobile phone more robust and stable.
> but as is known, many low-end mobile phone’s cpu still use the arm32
> architecture.
> and if these low-end mobile phone also can make full use of xfstests
> to do fs tests,
> there will be more fs bug will be found and our filesystem will become
> more robust.
> 
> but from below link:
> https://www.kernel.org/pub/linux/kernel/people/tytso/kvm-xfstests
> there is not arm32 root_fs.
> 
> so if you or anyone can offer me a link which can download arm32
> root_fs needed by xfstests，
> i appreciate it very much.
> 
> best regards.

Great to hear that you're interested in running xfstests on Android!  Probably
Ted stopped providing an arm32 root_fs because arm64 is much more common now.
It should be pretty straightforward to build an arm32 root_fs.tar yourself,
though; have you checked the documentation in
https://github.com/tytso/xfstests-bld/blob/master/Documentation/building-rootfs.md
?

It should just require:

	sudo ./setup-buildchroot --arch=armhf
	./do-all --chroot=buster-armhf --out-tar

I haven't done it in a while so I can't guarantee it hasn't gone stale, but it's
supposed to work.

- Eric