Btrfs: clean up btrfs_ioctl a little bit

Provide a void __user *argp pointer so that we can avoid duplicating
the cast for various sub-command calls.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2008-12-02 06:36:08 -05:00 • committed by Chris Mason
commit 4bcabaa30a