604e8c8da8
Make sure that there are no unprocesssed entries on a completion queue before deleting it, and check for validity of the CQ door bell before writing completions to it. This fixes problems with doing a sysfs reset of the device while it's handling IO. Tested-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com> |
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