Pradipmaya Maharana wrote: > Thanks Hannes. > > Actually I could get it to work after making some changes; > In the function prepare_req(), I replaced > > //rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE; > rq->flags |= REQ_FAILFAST | REQ_NOMERGE; > > with following: > > rq->flags |= REQ_BLOCK_PC | REQ_SPECIAL | REQ_QUIET; > > This worked for me. > Errm. Which version you're compiling against? The hardware handler is done against scsi-misc; by the looks of it you're compiling against some older version (2.6.19? 2.6.16?) Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@xxxxxxx +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Markus Rex, HRB 16746 (AG Nürnberg) -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel