Re: fanotify_mark FAN_MARK_FLUSH | _MOUNT stress blocks write to directory

2017-08-31 Thread Amir Goldstein
On Thu, Aug 31, 2017 at 9:57 AM, Xiong Zhou wrote: > On Thu, Aug 31, 2017 at 07:52:41AM +0300, Amir Goldstein wrote: >> On Thu, Aug 31, 2017 at 6:51 AM, Xiong Zhou wrote: >> > hi, >> > >> > This happens on 4.13.0-rc7+ to commit 42ff72c >> >> Don't understand. Is this a regression? from which comm

Re: fanotify_mark FAN_MARK_FLUSH | _MOUNT stress blocks write to directory

2017-08-30 Thread Xiong Zhou
On Thu, Aug 31, 2017 at 07:52:41AM +0300, Amir Goldstein wrote: > On Thu, Aug 31, 2017 at 6:51 AM, Xiong Zhou wrote: > > hi, > > > > This happens on 4.13.0-rc7+ to commit 42ff72c > > Don't understand. Is this a regression? from which commit? No. I'm just saying the exact kernel version: Linus tr

Re: fanotify_mark FAN_MARK_FLUSH | _MOUNT stress blocks write to directory

2017-08-30 Thread Amir Goldstein
On Thu, Aug 31, 2017 at 6:51 AM, Xiong Zhou wrote: > hi, > > This happens on 4.13.0-rc7+ to commit 42ff72c Don't understand. Is this a regression? from which commit? > > After firing up the stress, touch a file in monitoring directory could > hang like forever. > > Pretty easy to hit. So are ru

fanotify_mark FAN_MARK_FLUSH | _MOUNT stress blocks write to directory

2017-08-30 Thread Xiong Zhou
hi, This happens on 4.13.0-rc7+ to commit 42ff72c After firing up the stress, touch a file in monitoring directory could hang like forever. Pretty easy to hit. Thanks, Xiong [ 492.060879] INFO: task touch:2259 blocked for more than 120 seconds. [ 492.093497] Not tainted 4.13.0-rc7-mast