Re: linux-next: possible bug in 'block: remove the BIO_NULL_MAPPED flag'

To: Marc Hartmayer <mhartmay@xxxxxxxxxxxxx>
Subject: Re: linux-next: possible bug in 'block: remove the BIO_NULL_MAPPED flag'
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 23 Sep 2020 16:54:11 +0200
Cc: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Linux Next Mailing List <linux-next@xxxxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Linux Block Mailing List <linux-block@xxxxxxxxxxxxxxx>, Linux SCSI Mailing List <linux-scsi@xxxxxxxxxxxxxxx>
In-reply-to: <87tuvo8xjo.fsf@linux.ibm.com>
User-agent: Mutt/1.5.17 (2007-11-01)

I've reproduced this on x86 and am looking into the issue now.

References:
- linux-next: possible bug in 'block: remove the BIO_NULL_MAPPED flag'
  - From: Marc Hartmayer