BFQ uses io_start_time_ns. That member variable is only set if I/O
statistics are enabled. Hence this patch that enables I/O statistics
at the time BFQ is associated with a request queue.
Compile-tested only.
Reported-by: Cixi Geng <[email protected]>
Cc: Cixi Geng <[email protected]>
Cc: Yu Kuai <[email protected]>
Cc: Paolo Valente <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Bart Van Assche
b96f3cab59