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Date:   Fri, 13 May 2022 04:23:21 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc:     Christoph Hellwig <hch@infradead.org>, dsterba@suse.cz,
        Qu Wenruo <wqu@suse.com>, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 05/13] btrfs: add btrfs_read_repair_ctrl to record
 corrupted sectors
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On Fri, May 13, 2022 at 07:21:55PM +0800, Qu Wenruo wrote:
> This middle ground is still synchronous, but batched.
> 
> Although for the checker patterned corrupted sectors, it falls back to
> fully synchronous submit for each sector.

Indeed.  But how common is that case?