Re: [PATCH] blktrace: Fix potentail deadlock between delete & sysfs ops

2017-08-15 Thread Steven Rostedt
On Thu, 10 Aug 2017 13:02:33 -0400 Waiman Long wrote: > The lockdep code had reported the following unsafe locking scenario: > >CPU0CPU1 > > lock(s_active#228); >

[PATCH] blktrace: Fix potentail deadlock between delete & sysfs ops

2017-08-10 Thread Waiman Long
The lockdep code had reported the following unsafe locking scenario: CPU0CPU1 lock(s_active#228); lock(>bd_mutex/1); lock(s_active#228); lock(>bd_mutex); *** DEADLOCK