nfs/blocklayout: remove cruft in bl_alloc_init_bio

bio_alloc never returns NULL when it can sleep.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-01-26 15:52:45 +01:00 • committed by Jens Axboe
commit 6808f7af96