btrfs: drop the -EBUSY case in __extent_writepage_io

Now that we only return 0 or -EAGAIN from btrfs_writepage_cow_fixup, we
do not need this -EBUSY case.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
1 file changed