Btrfs: walk compressed pages based on the nr_pages count instead of bytes
authorChris Mason <chris.mason@oracle.com>
Thu, 30 Oct 2008 17:22:14 +0000 (13:22 -0400)
committerChris Mason <chris.mason@oracle.com>
Thu, 30 Oct 2008 17:22:14 +0000 (13:22 -0400)
The byte walk counting was awkward and error prone.  This uses the
number of pages sent the higher layer to build bios.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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