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Date:   Wed, 23 Dec 2020 22:16:27 -0500
From:   "Theodore Y. Ts'o" <tytso@mit.edu>
To:     Matteo Croce <mcroce@linux.microsoft.com>
Cc:     Ext4 <linux-ext4@vger.kernel.org>
Subject: Re: discard and data=writeback
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On Wed, Dec 23, 2020 at 07:59:13PM +0100, Matteo Croce wrote:
> 
> Hi,
> 
> these are the blktrace outputs for both journaling modes:

Can you send me full trace files (or the outputs of blkparse) so we
can see what's going on at a somewhat more granular detail?

They'll be huge, so you may need to make them available for download
from a web server; certainly the vger.kernel.org list server isn't
going to let an attachment that large through.

Thanks,

					- Ted