Any comment on this question would be appreciated. Thanks you, > -----Original Message----- > From: Ju, Seokmann > Sent: Tuesday, March 21, 2006 11:45 AM > To: 'James Bottomley' > Cc: linux-scsi; linux-kernel > Subject: Question: where should the SCSI driver place > MODE_SENSE data ? > > In the 2.6 (2.6.9 and scsi-misc in git) kernel, MODE_SENSE > SCSI command packet (scsi_cmnd) carries following entries > with unexpectedly small in size. > - request_bufflen > - bufflen > > Especially for MODE SENSE with page code 8 (caching page), > driver has minumum 12 Bytes MODE_SENSE data to deliver > besides 'mode parameter header' and 'block descriptors'. > When I dump those entries, they both are 4 Bytes in size. > To me, it seems like that SCSI mid layer allocated 512 Bytes > for MODE_SENSE data buffer, but the buffer length passed down > to LLD incorrectly. > > Please guide me if there is anything missing. > > Thank you, > > Seokmann - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
