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Date:   Wed, 13 Jul 2022 13:18:01 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
Cc:     Christoph Hellwig <hch@lst.de>, Chris Mason <clm@fb.com>,
        Josef Bacik <josef@toxicpanda.com>,
        David Sterba <dsterba@suse.com>,
        Nikolay Borisov <nborisov@suse.com>,
        "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 10/11] btrfs: make the btrfs_io_context allocation in
 __btrfs_map_block optional
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On Wed, Jul 13, 2022 at 09:58:15AM +0000, Johannes Thumshirn wrote:
> Could be my changes on top, but in order to get RAID0 with a raid-stripe-tree
> working I needed the following change:

For the existing raid0 code we can one call to __btfs_map_block, so this
is not needed.  I think it should go into your series and be restricted
to declustered raid0 only.