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

5 files changed, 32 insertions, 9 deletions

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 9080853fe283..a30084076ac8 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1605,6 +1605,21 @@ mpt_resume(struct pci_dev *pdev)
 }
 #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.
@@ -1885,14 +1900,14 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
                         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++;
                         }
                 }
@@ -3267,11 +3282,11 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
                                 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);
                                         }
                                 }
                         }
@@ -5706,11 +5721,11 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
                         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);
                                 }
                         }
                 }
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index fee843fab1c7..108910f512e4 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -982,6 +982,12 @@ static int device_check(ppa_struct *dev)
         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",
@@ -997,6 +1003,7 @@ static struct scsi_host_template ppa_template = {
         .cmd_per_lun            = 1,
         .use_clustering         = ENABLE_CLUSTERING,
         .can_queue              = 1,
+        .slave_alloc            = ppa_adjust_queue,
 };
 
 /***************************************************************************
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 941c1e15c899..62f8cb7b3d2b 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -165,6 +165,7 @@ static struct {
         {"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},
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 764a8b375ead..faee4757c03a 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -367,7 +367,7 @@ static int scsi_req_map_sg(struct request *rq, struct scatterlist *sgl,
                            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;
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 8b6d65e21bae..f3b16066387c 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -955,7 +955,8 @@ static int sas_user_scan(struct Scsi_Host *shost, uint channel,
         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) &&
@@ -977,7 +978,6 @@ static int sas_user_scan(struct Scsi_Host *shost, uint channel,
 #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++