tree 6bfdbddaf04501ac9edcf6c526e1e54dd00444b8
parent 67e2c3883828b39548cee2091b36656787775d95
author Jens Axboe <axboe@fb.com> 1418657426 -0700
committer Jens Axboe <axboe@fb.com> 1418657426 -0700

Revert "blk-mq: Micro-optimize bt_get()"

This reverts commit 52f7eb945f2ba62b324bb9ae16d945326a961dcf.

The optimization is only really safe for a single queue, otherwise
'bs' and 'bt' can indeed change, and if we don't do a finish_wait()
for each loop, we'll potentially change the wait structure and
corrupt task wait list.

Reported-by: Jan Kara <jack@suse.cz>