Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] scsi_lib.c: properly count the number of pages in scsi_req_map_sg()
[SCSI] scsi_transport_sas: make write attrs writeable
[SCSI] scsi_transport_sas; fix user_scan
[SCSI] ppa: fix for machines with highmem
[SCSI] mptspi: reset handler shouldn't be called for other bus protocols
[SCSI] Blacklist entry for HP dat changer

drivers/message/fusion/mptbase.c

···
 }
 #endif
 
+static int
+mpt_signal_reset(int index, MPT_ADAPTER *ioc, int reset_phase)
+{
+	if ((MptDriverClass[index] == MPTSPI_DRIVER &&
+	     ioc->bus_type != SPI) ||
+	    (MptDriverClass[index] == MPTFC_DRIVER &&
+	     ioc->bus_type != FC) ||
+	    (MptDriverClass[index] == MPTSAS_DRIVER &&
+	     ioc->bus_type != SAS))
+		/* make sure we only call the relevant reset handler
+		 * for the bus */
+		return 0;
+	return (MptResetHandlers[index])(ioc, reset_phase);
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *	mpt_do_ioc_recovery - Initialize or recover MPT adapter.
···
 			if ((ret == 0) && MptResetHandlers[ii]) {
 				dprintk((MYIOC_s_INFO_FMT "Calling IOC post_reset handler #%d\n",
 						ioc->name, ii));
-				rc += (*(MptResetHandlers[ii]))(ioc, MPT_IOC_POST_RESET);
+				rc += mpt_signal_reset(ii, ioc, MPT_IOC_POST_RESET);
 				handlers++;
 			}
 
 			if (alt_ioc_ready && MptResetHandlers[ii]) {
 				drsprintk((MYIOC_s_INFO_FMT "Calling alt-%s post_reset handler #%d\n",
 						ioc->name, ioc->alt_ioc->name, ii));
-				rc += (*(MptResetHandlers[ii]))(ioc->alt_ioc, MPT_IOC_POST_RESET);
+				rc += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_POST_RESET);
 				handlers++;
 			}
 		}
···
 				if (MptResetHandlers[ii]) {
 					dprintk((MYIOC_s_INFO_FMT "Calling IOC pre_reset handler #%d\n",
 							ioc->name, ii));
-					r += (*(MptResetHandlers[ii]))(ioc, MPT_IOC_PRE_RESET);
+					r += mpt_signal_reset(ii, ioc, MPT_IOC_PRE_RESET);
 					if (ioc->alt_ioc) {
 						dprintk((MYIOC_s_INFO_FMT "Calling alt-%s pre_reset handler #%d\n",
 								ioc->name, ioc->alt_ioc->name, ii));
-						r += (*(MptResetHandlers[ii]))(ioc->alt_ioc, MPT_IOC_PRE_RESET);
+						r += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_PRE_RESET);
 					}
 				}
 			}
···
 			if (MptResetHandlers[ii]) {
 				dtmprintk((MYIOC_s_INFO_FMT "Calling IOC reset_setup handler #%d\n",
 						ioc->name, ii));
-				r += (*(MptResetHandlers[ii]))(ioc, MPT_IOC_SETUP_RESET);
+				r += mpt_signal_reset(ii, ioc, MPT_IOC_SETUP_RESET);
 				if (ioc->alt_ioc) {
 					dtmprintk((MYIOC_s_INFO_FMT "Calling alt-%s setup reset handler #%d\n",
 							ioc->name, ioc->alt_ioc->name, ii));
-					r += (*(MptResetHandlers[ii]))(ioc->alt_ioc, MPT_IOC_SETUP_RESET);
+					r += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_SETUP_RESET);
 				}
 			}
 		}

drivers/scsi/ppa.c

···
 	return -ENODEV;
 }
 
+static int ppa_adjust_queue(struct scsi_device *device)
+{
+	blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
+	return 0;
+}
+
 static struct scsi_host_template ppa_template = {
 	.module			= THIS_MODULE,
 	.proc_name		= "ppa",
···
 	.cmd_per_lun		= 1,
 	.use_clustering		= ENABLE_CLUSTERING,
 	.can_queue		= 1,
+	.slave_alloc		= ppa_adjust_queue,
 };
 
 /***************************************************************************

drivers/scsi/scsi_devinfo.c

···
 	{"HP", "HSV100", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
 	{"HP", "C1557A", NULL, BLIST_FORCELUN},
 	{"HP", "C3323-300", "4269", BLIST_NOTQ},
+	{"HP", "C5713A", NULL, BLIST_NOREPORTLUN},
 	{"IBM", "AuSaV1S2", NULL, BLIST_FORCELUN},
 	{"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
 	{"IBM", "2105", NULL, BLIST_RETRY_HWERROR},

drivers/scsi/scsi_lib.c

···
 			   int nsegs, unsigned bufflen, gfp_t gfp)
 {
 	struct request_queue *q = rq->q;
-	int nr_pages = (bufflen + PAGE_SIZE - 1) >> PAGE_SHIFT;
+	int nr_pages = (bufflen + sgl[0].offset + PAGE_SIZE - 1) >> PAGE_SHIFT;
 	unsigned int data_len = 0, len, bytes, off;
 	struct page *page;
 	struct bio *bio = NULL;

drivers/scsi/scsi_transport_sas.c

···
 	list_for_each_entry(rphy, &sas_host->rphy_list, list) {
 		struct sas_phy *parent = dev_to_phy(rphy->dev.parent);
 
-		if (rphy->scsi_target_id == -1)
+		if (rphy->identify.device_type != SAS_END_DEVICE ||
+		    rphy->scsi_target_id == -1)
 			continue;
 
 		if ((channel == SCAN_WILD_CARD || channel == parent->port_identifier) &&
···
 #define SETUP_TEMPLATE(attrb, field, perm, test)				\
 	i->private_##attrb[count] = class_device_attr_##field;		\
 	i->private_##attrb[count].attr.mode = perm;			\
-	i->private_##attrb[count].store = NULL;				\
 	i->attrb[count] = &i->private_##attrb[count];			\
 	if (test)							\
 		count++