tree fd1ccfd86dc6e9687e3bf5e0f8821786d5eb0806
parent de83953f9d710f84c4a162a1d498a73475c07d98
author Jens Axboe <axboe@fb.com> 1402328213 -0600
committer Jens Axboe <axboe@fb.com> 1402328213 -0600

blk-mq: always initialize request->start_time

The blk-mq core only initializes this if io stats are enabled, since
blk-mq only reads the field in that case. But drivers could
potentially use it internally, so ensure that we always set it to
the current time when the request is allocated.

Reported-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>