On 2020-04-13 21:18, Luis Chamberlain wrote: > On commit 6ac93117ab00 ("blktrace: use existing disk debugfs directory") > merged on v4.12 Omar fixed the original blktrace code for request-based > drivers (multiqueue). This however left in place a possible crash, if you > happen to abuse blktrace in a way it was not intended. Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>