Re: [PATCH v2] kyber: introduce kyber_depth_updated()

2021-02-22 Thread Jens Axboe
On 2/5/21 2:13 AM, Yang Yang wrote: > Hang occurs when user changes the scheduler queue depth, by writing to > the 'nr_requests' sysfs file of that device. > > The details of the environment that we found the problem are as follows: > an eMMC block device > total driver tags: 16 > default qu

Re: [PATCH v2] kyber: introduce kyber_depth_updated()

2021-02-22 Thread Omar Sandoval
On Fri, Feb 05, 2021 at 01:13:10AM -0800, Yang Yang wrote: > Hang occurs when user changes the scheduler queue depth, by writing to > the 'nr_requests' sysfs file of that device. > > The details of the environment that we found the problem are as follows: > an eMMC block device > total driver

Re: [PATCH v2] kyber: introduce kyber_depth_updated()

2021-02-22 Thread Yang Yang
On 2021/2/5 17:13, Yang Yang wrote: Hang occurs when user changes the scheduler queue depth, by writing to the 'nr_requests' sysfs file of that device. The details of the environment that we found the problem are as follows: an eMMC block device total driver tags: 16 default queue_depth