On Fri, Mar 15, 2019 at 04:57:36PM +0800, Jianchao Wang wrote: > Hi Jens > > As we know, there is a risk of accesing stale requests when iterate > in-flight requests with tags->rqs[] and this has been talked in following > thread, > [1] https://marc.info/?l=linux-scsi&m=154511693912752&w=2 > [2] https://marc.info/?l=linux-block&m=154526189023236&w=2 I'd rather take one step back and figure out why we are iterating the busy requests. There really shouldn't be any reason why a driver is even doings that (vs some error handling helpers in the core block code that can properly synchronize).
