17 files changed, 68 insertions, 68 deletions

diff --git a/arch/mn10300/kernel/module.c b/arch/mn10300/kernel/module.c
index 8fa36893df7a..6b287f2e8e84 100644
--- a/arch/mn10300/kernel/module.c
+++ b/arch/mn10300/kernel/module.c
@@ -1,6 +1,6 @@
 /* MN10300 Kernel module helper routines
  *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2007, 2008 Red Hat, Inc. All Rights Reserved.
  * Written by Mark Salter (msalter@redhat.com)
  * - Derived from arch/i386/kernel/module.c
  *
@@ -64,21 +64,6 @@ int module_frob_arch_sections(Elf_Ehdr *hdr,
         return 0;
 }
 
-static uint32_t reloc_get16(uint8_t *p)
-{
-        return p[0] | (p[1] << 8);
-}
-
-static uint32_t reloc_get24(uint8_t *p)
-{
-        return reloc_get16(p) | (p[2] << 16);
-}
-
-static uint32_t reloc_get32(uint8_t *p)
-{
-        return reloc_get16(p) | (reloc_get16(p+2) << 16);
-}
-
 static void reloc_put16(uint8_t *p, uint32_t val)
 {
         p[0] = val & 0xff;
@@ -144,25 +129,19 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
                 relocation = sym->st_value + rel[i].r_addend;
 
                 switch (ELF32_R_TYPE(rel[i].r_info)) {
-                        /* for the first four relocation types, we add the
-                         * adjustment into the value at the location given */
+                        /* for the first four relocation types, we simply
+                         * store the adjustment at the location given */
                 case R_MN10300_32:
-                        value = reloc_get32(location);
-                        value += relocation;
-                        reloc_put32(location, value);
+                        reloc_put32(location, relocation);
                         break;
                 case R_MN10300_24:
-                        value = reloc_get24(location);
-                        value += relocation;
-                        reloc_put24(location, value);
+                        reloc_put24(location, relocation);
                         break;
                 case R_MN10300_16:
-                        value = reloc_get16(location);
-                        value += relocation;
-                        reloc_put16(location, value);
+                        reloc_put16(location, relocation);
                         break;
                 case R_MN10300_8:
-                        *location += relocation;
+                        *location = relocation;
                         break;
 
                         /* for the next three relocation types, we write the
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index b24e1d085557..1890fb085cde 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -600,7 +600,7 @@ static int irq_choose_cpu(unsigned int virt_irq)
                 cpuid = first_cpu(tmp);
         }
 
-        return cpuid;
+        return get_hard_smp_processor_id(cpuid);
 }
 #else
 static int irq_choose_cpu(unsigned int virt_irq)
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 5c027b6b4e5a..650983806392 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -481,7 +481,7 @@ struct vm_operations_struct gru_vm_ops = {
         .fault          = gru_fault,
 };
 
-module_init(gru_init);
+fs_initcall(gru_init);
 module_exit(gru_exit);
 
 module_param(gru_options, ulong, 0644);
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 35364f64da7f..c557ba34e1aa 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -720,7 +720,6 @@ static int zfcp_erp_adapter_strategy_generic(struct zfcp_erp_action *act,
                 goto failed_openfcp;
 
         atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &act->adapter->status);
-        schedule_work(&act->adapter->scan_work);
 
         return ZFCP_ERP_SUCCEEDED;
 
@@ -1186,7 +1185,9 @@ static void zfcp_erp_scsi_scan(struct work_struct *work)
                 container_of(work, struct zfcp_erp_add_work, work);
         struct zfcp_unit *unit = p->unit;
         struct fc_rport *rport = unit->port->rport;
-        scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
+
+        if (rport && rport->port_state == FC_PORTSTATE_ONLINE)
+                scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
                          scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0);
         atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status);
         zfcp_unit_put(unit);
@@ -1282,6 +1283,8 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
         case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
                 if (result != ZFCP_ERP_SUCCEEDED)
                         zfcp_erp_rports_del(adapter);
+                else
+                        schedule_work(&adapter->scan_work);
                 zfcp_adapter_put(adapter);
                 break;
         }
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 1a7c80a77ff5..8aab3091a7b1 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -50,7 +50,8 @@ static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port)
         if (mutex_lock_interruptible(&wka_port->mutex))
                 return -ERESTARTSYS;
 
-        if (wka_port->status != ZFCP_WKA_PORT_ONLINE) {
+        if (wka_port->status == ZFCP_WKA_PORT_OFFLINE ||
+            wka_port->status == ZFCP_WKA_PORT_CLOSING) {
                 wka_port->status = ZFCP_WKA_PORT_OPENING;
                 if (zfcp_fsf_open_wka_port(wka_port))
                         wka_port->status = ZFCP_WKA_PORT_OFFLINE;
@@ -125,8 +126,7 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
 
         read_lock_irqsave(&zfcp_data.config_lock, flags);
         list_for_each_entry(port, &fsf_req->adapter->port_list_head, list) {
-                /* FIXME: ZFCP_STATUS_PORT_DID_DID check is racy */
-                if (!(atomic_read(&port->status) & ZFCP_STATUS_PORT_DID_DID))
+                if (!(atomic_read(&port->status) & ZFCP_STATUS_PORT_PHYS_OPEN))
                         /* Try to connect to unused ports anyway. */
                         zfcp_erp_port_reopen(port,
                                              ZFCP_STATUS_COMMON_ERP_FAILED,
@@ -610,7 +610,6 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
         int ret, i;
         struct zfcp_gpn_ft *gpn_ft;
 
-        zfcp_erp_wait(adapter); /* wait until adapter is finished with ERP */
         if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT)
                 return 0;
 
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index d024442ee128..dc0367690405 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -930,8 +930,10 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
                 goto out;
         req = zfcp_fsf_req_create(adapter, FSF_QTCB_ABORT_FCP_CMND,
                                   req_flags, adapter->pool.fsf_req_abort);
-        if (IS_ERR(req))
+        if (IS_ERR(req)) {
+                req = NULL;
                 goto out;
+        }
 
         if (unlikely(!(atomic_read(&unit->status) &
                        ZFCP_STATUS_COMMON_UNBLOCKED)))
@@ -1584,6 +1586,7 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
                 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
                 break;
         case FSF_PORT_ALREADY_OPEN:
+                break;
         case FSF_GOOD:
                 wka_port->handle = header->port_handle;
                 wka_port->status = ZFCP_WKA_PORT_ONLINE;
@@ -2113,18 +2116,21 @@ static inline void zfcp_fsf_trace_latency(struct zfcp_fsf_req *fsf_req)
 
 static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req)
 {
-        struct scsi_cmnd *scpnt = req->data;
+        struct scsi_cmnd *scpnt;
         struct fcp_rsp_iu *fcp_rsp_iu = (struct fcp_rsp_iu *)
             &(req->qtcb->bottom.io.fcp_rsp);
         u32 sns_len;
         char *fcp_rsp_info = (unsigned char *) &fcp_rsp_iu[1];
         unsigned long flags;
 
-        if (unlikely(!scpnt))
-                return;
-
         read_lock_irqsave(&req->adapter->abort_lock, flags);
 
+        scpnt = req->data;
+        if (unlikely(!scpnt)) {
+                read_unlock_irqrestore(&req->adapter->abort_lock, flags);
+                return;
+        }
+
         if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ABORTED)) {
                 set_host_byte(scpnt, DID_SOFT_ERROR);
                 set_driver_byte(scpnt, SUGGEST_RETRY);
@@ -2442,8 +2448,10 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter,
                 goto out;
         req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags,
                                   adapter->pool.fsf_req_scsi);
-        if (IS_ERR(req))
+        if (IS_ERR(req)) {
+                req = NULL;
                 goto out;
+        }
 
         req->status |= ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT;
         req->data = unit;
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index e46fd3e9f68f..468c880f8b6d 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -88,7 +88,7 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt,
         ret = zfcp_fsf_send_fcp_command_task(adapter, unit, scpnt, 0,
                                              ZFCP_REQ_AUTO_CLEANUP);
         if (unlikely(ret == -EBUSY))
-                zfcp_scsi_command_fail(scpnt, DID_NO_CONNECT);
+                return SCSI_MLQUEUE_DEVICE_BUSY;
         else if (unlikely(ret < 0))
                 return SCSI_MLQUEUE_HOST_BUSY;
 
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 9aa301c1ed07..162cd927d94b 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -427,8 +427,8 @@ static int aac_slave_configure(struct scsi_device *sdev)
                  * Firmware has an individual device recovery time typically
                  * of 35 seconds, give us a margin.
                  */
-                if (sdev->timeout < (45 * HZ))
-                        sdev->timeout = 45 * HZ;
+                if (sdev->request_queue->rq_timeout < (45 * HZ))
+                        blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
                         if (aac->fsa_dev[cid].valid)
                                 ++num_lsu;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 87e09f35d3d4..6cad1758243a 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1442,7 +1442,7 @@ static int ibmvscsi_slave_configure(struct scsi_device *sdev)
         spin_lock_irqsave(shost->host_lock, lock_flags);
         if (sdev->type == TYPE_DISK) {
                 sdev->allow_restart = 1;
-                sdev->timeout = 60 * HZ;
+                blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
         }
         scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun);
         spin_unlock_irqrestore(shost->host_lock, lock_flags);
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index a454f94623d7..17ce7abe17ee 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -1016,7 +1016,8 @@ static int megasas_slave_configure(struct scsi_device *sdev)
          * The RAID firmware may require extended timeouts.
          */
         if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS)
-                sdev->timeout = MEGASAS_DEFAULT_CMD_TIMEOUT * HZ;
+                blk_queue_rq_timeout(sdev->request_queue,
+                                     MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
         return 0;
 }
 
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 386361778ebb..edfaf241c5ba 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -932,8 +932,7 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd)
                 int i, rtn = NEEDS_RETRY;
 
                 for (i = 0; rtn == NEEDS_RETRY && i < 2; i++)
-                        rtn = scsi_send_eh_cmnd(scmd, stu_command, 6,
-                                                scmd->device->timeout, 0);
+                        rtn = scsi_send_eh_cmnd(scmd, stu_command, 6, scmd->device->request_queue->rq_timeout, 0);
 
                 if (rtn == SUCCESS)
                         return 0;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f5d3b96890dc..fa45a1a66867 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -567,15 +567,18 @@ static inline int scsi_host_is_busy(struct Scsi_Host *shost)
  */
 static void scsi_run_queue(struct request_queue *q)
 {
-        struct scsi_device *starved_head = NULL, *sdev = q->queuedata;
+        struct scsi_device *sdev = q->queuedata;
         struct Scsi_Host *shost = sdev->host;
+        LIST_HEAD(starved_list);
         unsigned long flags;
 
         if (scsi_target(sdev)->single_lun)
                 scsi_single_lun_run(sdev);
 
         spin_lock_irqsave(shost->host_lock, flags);
-        while (!list_empty(&shost->starved_list) && !scsi_host_is_busy(shost)) {
+        list_splice_init(&shost->starved_list, &starved_list);
+
+        while (!list_empty(&starved_list)) {
                 int flagset;
 
                 /*
@@ -588,24 +591,18 @@ static void scsi_run_queue(struct request_queue *q)
                  * scsi_request_fn must get the host_lock before checking
                  * or modifying starved_list or starved_entry.
                  */
-                sdev = list_entry(shost->starved_list.next,
-                                          struct scsi_device, starved_entry);
-                /*
-                 * The *queue_ready functions can add a device back onto the
-                 * starved list's tail, so we must check for a infinite loop.
-                 */
-                if (sdev == starved_head)
+                if (scsi_host_is_busy(shost))
                         break;
-                if (!starved_head)
-                        starved_head = sdev;
 
+                sdev = list_entry(starved_list.next,
+                                  struct scsi_device, starved_entry);
+                list_del_init(&sdev->starved_entry);
                 if (scsi_target_is_busy(scsi_target(sdev))) {
                         list_move_tail(&sdev->starved_entry,
                                        &shost->starved_list);
                         continue;
                 }
 
-                list_del_init(&sdev->starved_entry);
                 spin_unlock(shost->host_lock);
 
                 spin_lock(sdev->request_queue->queue_lock);
@@ -621,6 +618,8 @@ static void scsi_run_queue(struct request_queue *q)
 
                 spin_lock(shost->host_lock);
         }
+        /* put any unprocessed entries back */
+        list_splice(&starved_list, &shost->starved_list);
         spin_unlock_irqrestore(shost->host_lock, flags);
 
         blk_run_queue(q);
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 3790906a77d1..2fa830c0be27 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -477,7 +477,7 @@ stex_slave_config(struct scsi_device *sdev)
 {
         sdev->use_10_for_rw = 1;
         sdev->use_10_for_ms = 1;
-        sdev->timeout = 60 * HZ;
+        blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
         sdev->tagged_supported = 1;
 
         return 0;
diff --git a/include/linux/security.h b/include/linux/security.h
index c13f1cec9abb..e3d4ecda2673 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1818,17 +1818,21 @@ static inline int security_settime(struct timespec *ts, struct timezone *tz)
 
 static inline int security_vm_enough_memory(long pages)
 {
+        WARN_ON(current->mm == NULL);
         return cap_vm_enough_memory(current->mm, pages);
 }
 
-static inline int security_vm_enough_memory_kern(long pages)
+static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 {
-        return cap_vm_enough_memory(current->mm, pages);
+        WARN_ON(mm == NULL);
+        return cap_vm_enough_memory(mm, pages);
 }
 
-static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
+static inline int security_vm_enough_memory_kern(long pages)
 {
-        return cap_vm_enough_memory(mm, pages);
+        /* If current->mm is a kernel thread then we will pass NULL,
+           for this specific case that is fine */
+        return cap_vm_enough_memory(current->mm, pages);
 }
 
 static inline int security_bprm_alloc(struct linux_binprm *bprm)
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 49d8913c4f86..6e04e6fe79c7 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -357,7 +357,7 @@ struct fc_rport {	/* aka fc_starget_attrs */
 /* bit field values for struct fc_rport "flags" field: */
 #define FC_RPORT_DEVLOSS_PENDING        0x01
 #define FC_RPORT_SCAN_PENDING           0x02
-#define FC_RPORT_FAST_FAIL_TIMEDOUT     0x03
+#define FC_RPORT_FAST_FAIL_TIMEDOUT     0x04
 
 #define dev_to_rport(d)                         \
         container_of(d, struct fc_rport, dev)
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index f2e574dbc300..2a56124dbc28 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -176,6 +176,9 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
         int ret = 0;
         struct device *dev;
 
+        if (WARN_ON(bdi->dev))
+                goto exit;
+
         va_start(args, fmt);
         dev = device_create_vargs(bdi_class, parent, MKDEV(0, 0), bdi, fmt, args);
         va_end(args);
diff --git a/mm/swap.c b/mm/swap.c
index 2152e48a7b8f..2881987603eb 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -445,6 +445,7 @@ void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru)
         for (i = 0; i < pagevec_count(pvec); i++) {
                 struct page *page = pvec->pages[i];
                 struct zone *pagezone = page_zone(page);
+                int file;
 
                 if (pagezone != zone) {
                         if (zone)
@@ -456,8 +457,12 @@ void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru)
                 VM_BUG_ON(PageUnevictable(page));
                 VM_BUG_ON(PageLRU(page));
                 SetPageLRU(page);
-                if (is_active_lru(lru))
+                file = is_file_lru(lru);
+                zone->recent_scanned[file]++;
+                if (is_active_lru(lru)) {
                         SetPageActive(page);
+                        zone->recent_rotated[file]++;
+                }
                 add_page_to_lru_list(zone, page, lru);
         }
         if (zone)