Ming, On 9/10/17 14:16, Ming Lei wrote: > On Fri, Sep 08, 2017 at 01:16:39AM +0900, Damien Le Moal wrote: >> Using scsi_device_from_queue(), return the scsi_disk structure >> associated with a request queue if the device is a disk. >> Export this function to make it available to modules. >> > > This approach may be a little over-kill, actually gendisk is the > parent of request queue in kobject tree(see blk_register_queue()), > that might be an easy way to retrieve disk attached to the queue. Yes. It is a little extreme. I am currently preparing a V3 that will have a softer touch. Best regards. -- Damien Le Moal, Western Digital