Re: [PATCH] Kernel bug triggered in multipath

2014-03-14 Thread Christoph Hellwig
On Fri, Mar 14, 2014 at 12:13:52PM +0100, Hannes Reinecke wrote: > Starting multipath on a cciss device will cause a kernel > warning to be triggered. Problem is that we're using the > ->queuedata field of the request_queue to derefence the > scsi device; however, for other (non-SCSI) devices this

[PATCH] Kernel bug triggered in multipath

2014-03-14 Thread Hannes Reinecke
Starting multipath on a cciss device will cause a kernel warning to be triggered. Problem is that we're using the ->queuedata field of the request_queue to derefence the scsi device; however, for other (non-SCSI) devices this points to a totally different structure. So we should rather be using acc