linux-ext4 - Re: mkfs.ext4 -D option fails to mount

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Date:   Fri, 30 Jun 2017 11:47:31 -0600
From:   Ross Zwisler <ross.zwisler@...ux.intel.com>
To:     Theodore Ts'o <tytso@....edu>
Cc:     Ross Zwisler <ross.zwisler@...ux.intel.com>,
        linux-ext4@...r.kernel.org
Subject: Re: mkfs.ext4 -D option fails to mount

On Thu, Jun 29, 2017 at 07:48:16PM -0400, Theodore Ts'o wrote:
> I'm not able to reproduce it using your reproduction receipe using
> e2fsprogs 1.43.4.  I suspect you might be hitting a bug which was
> fixed by this commit:
> 
> commit d6cad379eb6c86ca58bf5b83a586577de412a2e6
> Author: Theodore Ts'o <tytso@....edu>
> Date:   Sun Sep 11 00:25:48 2016 -0400
> 
>     libext2fs: fix unaligned, multiblock writes in the unix_io handler
>     
>     The read-modify-write code for the unaligned fallback code wasn't
>     working for multi-block writes.  This was unmasked by FreeBSD 11-rc2,
>     since its malloc() is returning unaligned memory regions for large
>     memory regions.
>     
>     Signed-off-by: Theodore Ts'o <tytso@....edu>
> 
> Can you retry with e2fsprogs 1.43.4 and see if it fixes your issue?

Yep, confirmed that it works with e2fsprogs v1.43.4.  Cool, thanks.