btrfs: use proper type for failrec in extent_state

We use the private member of extent_state to store the failrec and play
pointless pointer games.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-02-11 13:24:13 +01:00
commit 47dc196ae7
2 changed files with 16 additions and 20 deletions