btrfs: assume that bio_ret is always valid in submit_extent_page

All callers pass a valid pointer so we can drop the redundant checks.
The call to submit_one_bio never happend and can be removed.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-06-06 19:22:55 +02:00
commit 5c2b1fd753