On Fri, Feb 03, 2023 at 03:28:19PM +0800, Zhu Zhongjie wrote: > From: Zhongjie Zhu <zhongjiezhu1@xxxxxxxxx> > > When disconnecting a usb mass storege, if there are a lot of inodes > like 10 thousands files need to be freed, the invalidate_inodes() will > run for a loog time to freeing all inodes, this will block other worker > to run in the cpu, so mark the usb_hub workqueue to WQ_CPU_INTENSIVE to > avoid this situation. Very infrequently this will happen. In the vast majority of cases, the usb_hub workqueue uses very little CPU time. Marking it WQ_CPU_INTENSIVE seems inappropriate. Alan Stern
