tree c7dbce8b7c6908bcfde03baee494d9aa44ddade8
parent 4d53dddbec671bcb64a936a3d2b7bf1ce2252ed0
author David Sterba <dsterba@suse.com> 1487343575 +0100
committer David Sterba <dsterba@suse.com> 1488288564 +0100

btrfs: drop checks for mandatory extent_io_ops callbacks

We know that eadpage_end_io_hook, submit_bio_hook and merge_bio_hook are
always defined so we can drop the checks before we call them.

Signed-off-by: David Sterba <dsterba@suse.com>