Hi Jens and Christoph

In the recent commit of new blk-mq timeout handling, we don't have any 
protection
on timed out request against the completion path. We just hold a request->ref 
count,
it just could avoid the request tag to be released and life-recycle, but not 
completion.

For the scsi mid-layer, what if a request is in error handler and normal 
completion come
at the moment ?

Or do I miss anything about this commit ?


Thanks
Jianchao

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