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Date: Mon, 17 Feb 2020 05:31:17 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH 2/6] dax,iomap,ext4,ext2,xfs: Save dax_offset in "struct
 iomap"
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 <20200212170733.8092-3-vgoyal@redhat.com>
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On Wed, Feb 12, 2020 at 12:07:29PM -0500, Vivek Goyal wrote:
> Add a new field "sector_t dax_offset" to "struct iomap". This will be
> filled by filesystems and dax code will make use of this to convert
> sector into page offset (dax_pgoff()), instead of bdev_dax_pgoff(). This
> removes the dependency of having to pass in block device for dax operations.

NAK.  The iomap is not a structure to bolt random layering violation
onto.
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