Btrfs: fix the new inspection ioctls for 32 bit compat
authorChris Mason <chris.mason@oracle.com>
Wed, 2 Nov 2011 19:48:34 +0000 (15:48 -0400)
committerChris Mason <chris.mason@oracle.com>
Sun, 6 Nov 2011 08:08:49 +0000 (03:08 -0500)
The new ioctls to follow backrefs are not clean for 32/64 bit
compat.  This reworks them for u64s everywhere.  They are brand new, so
there are no problems with changing the interface now.

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

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