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Date: Wed, 21 Oct 2015 13:52:01 +0200
From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <quwenruo@cn.fujitsu.com>
Cc: Qu Wenruo <quwenruo.btrfs@gmx.com>, dsterba@suse.cz,
        btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [devel branch]Btrfs-convert assert at volumes.c:1846
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On Tue, Oct 20, 2015 at 10:33:37AM +0800, Qu Wenruo wrote:
> Finally, the bug is found.

Great, thanks!
> 
> A SUPER AWKWARD TYPO....

Happens ... :)

> See the patch just submitted:
> [PATCH] btrfs-progs: Fix a typo which causes super_copy corrupted
> 
> And, I think that's also the reason why PPC64 report errors.
> But unfortunately, there is no PPC64 machine here for me to test.

For now we can use convert and mkfs to test it a bit. Convert crashes on
4k sectors, and with "mkfs.btrfs -n 64k -s 64k --rootdir " we can
partially simulate the ppc64 parameters.