Merge commit 'v2.6.29-rc1' into irq/urgent

16 files changed, 120 insertions, 60 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 570ae59c1d5e..bd5914994142 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -336,6 +336,9 @@ static int
 dasd_state_ready_to_online(struct dasd_device * device)
 {
         int rc;
+        struct gendisk *disk;
+        struct disk_part_iter piter;
+        struct hd_struct *part;
 
         if (device->discipline->ready_to_online) {
                 rc = device->discipline->ready_to_online(device);
@@ -343,8 +346,14 @@ dasd_state_ready_to_online(struct dasd_device * device)
                         return rc;
         }
         device->state = DASD_STATE_ONLINE;
-        if (device->block)
+        if (device->block) {
                 dasd_schedule_block_bh(device->block);
+                disk = device->block->bdev->bd_disk;
+                disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
+                while ((part = disk_part_iter_next(&piter)))
+                        kobject_uevent(&part_to_dev(part)->kobj, KOBJ_CHANGE);
+                disk_part_iter_exit(&piter);
+        }
         return 0;
 }
 
@@ -354,6 +363,9 @@ dasd_state_ready_to_online(struct dasd_device * device)
 static int dasd_state_online_to_ready(struct dasd_device *device)
 {
         int rc;
+        struct gendisk *disk;
+        struct disk_part_iter piter;
+        struct hd_struct *part;
 
         if (device->discipline->online_to_ready) {
                 rc = device->discipline->online_to_ready(device);
@@ -361,6 +373,13 @@ static int dasd_state_online_to_ready(struct dasd_device *device)
                         return rc;
         }
         device->state = DASD_STATE_READY;
+        if (device->block) {
+                disk = device->block->bdev->bd_disk;
+                disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
+                while ((part = disk_part_iter_next(&piter)))
+                        kobject_uevent(&part_to_dev(part)->kobj, KOBJ_CHANGE);
+                disk_part_iter_exit(&piter);
+        }
         return 0;
 }
 
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index b8f9c00633f3..d82aad5224f0 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -2621,7 +2621,7 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
                 }
         }
 
-        /* double-check if current erp/cqr was successfull */
+        /* double-check if current erp/cqr was successful */
         if ((cqr->irb.scsw.cmd.cstat == 0x00) &&
             (cqr->irb.scsw.cmd.dstat ==
              (DEV_STAT_CHN_END | DEV_STAT_DEV_END))) {
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 2ef25731d197..300e28a531f8 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -206,6 +206,8 @@ dasd_feature_list(char *str, char **endp)
                         features |= DASD_FEATURE_USEDIAG;
                 else if (len == 6 && !strncmp(str, "erplog", 6))
                         features |= DASD_FEATURE_ERPLOG;
+                else if (len == 8 && !strncmp(str, "failfast", 8))
+                        features |= DASD_FEATURE_FAILFAST;
                 else {
                         MESSAGE(KERN_WARNING,
                                 "unsupported feature: %*s, "
@@ -667,6 +669,51 @@ dasd_device_from_cdev(struct ccw_device *cdev)
  */
 
 /*
+ * failfast controls the behaviour, if no path is available
+ */
+static ssize_t dasd_ff_show(struct device *dev, struct device_attribute *attr,
+                            char *buf)
+{
+        struct dasd_devmap *devmap;
+        int ff_flag;
+
+        devmap = dasd_find_busid(dev->bus_id);
+        if (!IS_ERR(devmap))
+                ff_flag = (devmap->features & DASD_FEATURE_FAILFAST) != 0;
+        else
+                ff_flag = (DASD_FEATURE_DEFAULT & DASD_FEATURE_FAILFAST) != 0;
+        return snprintf(buf, PAGE_SIZE, ff_flag ? "1\n" : "0\n");
+}
+
+static ssize_t dasd_ff_store(struct device *dev, struct device_attribute *attr,
+              const char *buf, size_t count)
+{
+        struct dasd_devmap *devmap;
+        int val;
+        char *endp;
+
+        devmap = dasd_devmap_from_cdev(to_ccwdev(dev));
+        if (IS_ERR(devmap))
+                return PTR_ERR(devmap);
+
+        val = simple_strtoul(buf, &endp, 0);
+        if (((endp + 1) < (buf + count)) || (val > 1))
+                return -EINVAL;
+
+        spin_lock(&dasd_devmap_lock);
+        if (val)
+                devmap->features |= DASD_FEATURE_FAILFAST;
+        else
+                devmap->features &= ~DASD_FEATURE_FAILFAST;
+        if (devmap->device)
+                devmap->device->features = devmap->features;
+        spin_unlock(&dasd_devmap_lock);
+        return count;
+}
+
+static DEVICE_ATTR(failfast, 0644, dasd_ff_show, dasd_ff_store);
+
+/*
  * readonly controls the readonly status of a dasd
  */
 static ssize_t
@@ -1020,6 +1067,7 @@ static struct attribute * dasd_attrs[] = {
         &dev_attr_use_diag.attr,
         &dev_attr_eer_enabled.attr,
         &dev_attr_erplog.attr,
+        &dev_attr_failfast.attr,
         NULL,
 };
 
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 7844461a995b..ef2a56952054 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -544,7 +544,8 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
         }
         cqr->retries = DIAG_MAX_RETRIES;
         cqr->buildclk = get_clock();
-        if (blk_noretry_request(req))
+        if (blk_noretry_request(req) ||
+            block->base->features & DASD_FEATURE_FAILFAST)
                 set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
         cqr->startdev = memdev;
         cqr->memdev = memdev;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index bd2c52e20762..bdb87998f364 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1700,7 +1700,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
                         recid++;
                 }
         }
-        if (blk_noretry_request(req))
+        if (blk_noretry_request(req) ||
+            block->base->features & DASD_FEATURE_FAILFAST)
                 set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
         cqr->startdev = startdev;
         cqr->memdev = startdev;
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 892e2878d61b..f8e05ce98621 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -535,8 +535,8 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
             eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {
                 kfree(eerb);
                 MESSAGE(KERN_WARNING, "can't open device since module "
-                        "parameter eer_pages is smaller then 1 or"
-                        " bigger then %d", (int)(INT_MAX / PAGE_SIZE));
+                        "parameter eer_pages is smaller than 1 or"
+                        " bigger than %d", (int)(INT_MAX / PAGE_SIZE));
                 unlock_kernel();
                 return -EINVAL;
         }
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 7d442aeff3d1..f1d176021694 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -355,7 +355,8 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
                         recid++;
                 }
         }
-        if (blk_noretry_request(req))
+        if (blk_noretry_request(req) ||
+            block->base->features & DASD_FEATURE_FAILFAST)
                 set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
         cqr->startdev = memdev;
         cqr->memdev = memdev;
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 05a14536c369..4a39084d9c95 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -199,7 +199,7 @@ struct dasd_ccw_req {
 #define DASD_CQR_ERROR          0x82    /* request is completed with error */
 #define DASD_CQR_CLEAR_PENDING  0x83    /* request is clear pending */
 #define DASD_CQR_CLEARED        0x84    /* request was cleared */
-#define DASD_CQR_SUCCESS        0x85    /* request was successfull */
+#define DASD_CQR_SUCCESS        0x85    /* request was successful */
 
 
 /* per dasd_ccw_req flags */
diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig
index 643033890e34..0769ced52dbd 100644
--- a/drivers/s390/char/Kconfig
+++ b/drivers/s390/char/Kconfig
@@ -100,7 +100,7 @@ comment "S/390 tape interface support"
 
 config S390_TAPE_BLOCK
         bool "Support for tape block devices"
-        depends on S390_TAPE
+        depends on S390_TAPE && BLOCK
         help
           Select this option if you want to access your channel-attached tape
           devices using the block device interface.  This interface is similar
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 4005c44a404c..71605a179d65 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -801,7 +801,7 @@ tape_3590_done(struct tape_device *device, struct tape_request *request)
 static inline int
 tape_3590_erp_succeded(struct tape_device *device, struct tape_request *request)
 {
-        DBF_EVENT(3, "Error Recovery successfull for %s\n",
+        DBF_EVENT(3, "Error Recovery successful for %s\n",
                   tape_op_verbose[request->op]);
         return tape_3590_done(device, request);
 }
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index aabbeb909cc6..d8a2289fcb69 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -427,7 +427,7 @@ static int vmlogrdr_receive_data(struct vmlogrdr_priv_t *priv)
                         buffer = priv->buffer + sizeof(int);
                 }
                 /*
-                 * If the record is bigger then our buffer, we receive only
+                 * If the record is bigger than our buffer, we receive only
                  * a part of it. We can get the rest later.
                  */
                 if (iucv_data_count > NET_BUFFER_SIZE)
@@ -437,7 +437,7 @@ static int vmlogrdr_receive_data(struct vmlogrdr_priv_t *priv)
                                           0, buffer, iucv_data_count,
                                           &priv->residual_length);
                 spin_unlock_bh(&priv->priv_lock);
-                /* An rc of 5 indicates that the record was bigger then
+                /* An rc of 5 indicates that the record was bigger than
                  * the buffer, which is OK for us. A 9 indicates that the
                  * record was purged befor we could receive it.
                  */
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 06b71823f399..659f8a791656 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -379,7 +379,7 @@ int cio_commit_config(struct subchannel *sch)
                 if (ccode < 0) /* -EIO if msch gets a program check. */
                         return ccode;
                 switch (ccode) {
-                case 0: /* successfull */
+                case 0: /* successful */
                         if (stsch(sch->schid, &schib) ||
                             !css_sch_is_valid(&schib))
                                 return -ENODEV;
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index f8a3b6967f69..da7afb04e71f 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -169,6 +169,8 @@ static void setup_debugfs_entry(struct qdio_q *q, struct ccw_device *cdev)
                  q->nr);
         debugfs_queues[i] = debugfs_create_file(name, S_IFREG | S_IRUGO | S_IWUSR,
                                                 debugfs_root, q, &debugfs_fops);
+        if (IS_ERR(debugfs_queues[i]))
+                debugfs_queues[i] = NULL;
 }
 
 void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, struct ccw_device *cdev)
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 744f928a59ea..10cb0f8726e5 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -114,7 +114,7 @@ static inline int qdio_check_ccq(struct qdio_q *q, unsigned int ccq)
  * @count: count of buffers to examine
  * @auto_ack: automatically acknowledge buffers
  *
- * Returns the number of successfull extracted equal buffer states.
+ * Returns the number of successfully extracted equal buffer states.
  * Stops processing if a state is different from the last buffers state.
  */
 static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state,
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 591a2b3ae4cb..c4f1b046c3b1 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -916,6 +916,21 @@ static struct ethtool_ops qeth_l2_osn_ops = {
         .get_drvinfo = qeth_core_get_drvinfo,
 };
 
+static struct net_device_ops qeth_l2_netdev_ops = {
+        .ndo_open               = qeth_l2_open,
+        .ndo_stop               = qeth_l2_stop,
+        .ndo_get_stats          = qeth_get_stats,
+        .ndo_start_xmit         = qeth_l2_hard_start_xmit,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_set_multicast_list = qeth_l2_set_multicast_list,
+        .ndo_do_ioctl           = qeth_l2_do_ioctl,
+        .ndo_set_mac_address    = qeth_l2_set_mac_address,
+        .ndo_change_mtu         = qeth_change_mtu,
+        .ndo_vlan_rx_add_vid    = qeth_l2_vlan_rx_add_vid,
+        .ndo_vlan_rx_kill_vid   = qeth_l2_vlan_rx_kill_vid,
+        .ndo_tx_timeout         = qeth_tx_timeout,
+};
+
 static int qeth_l2_setup_netdev(struct qeth_card *card)
 {
         switch (card->info.type) {
@@ -937,19 +952,9 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
                 return -ENODEV;
 
         card->dev->ml_priv = card;
-        card->dev->tx_timeout = &qeth_tx_timeout;
         card->dev->watchdog_timeo = QETH_TX_TIMEOUT;
-        card->dev->open = qeth_l2_open;
-        card->dev->stop = qeth_l2_stop;
-        card->dev->hard_start_xmit = qeth_l2_hard_start_xmit;
-        card->dev->do_ioctl = qeth_l2_do_ioctl;
-        card->dev->get_stats = qeth_get_stats;
-        card->dev->change_mtu = qeth_change_mtu;
-        card->dev->set_multicast_list = qeth_l2_set_multicast_list;
-        card->dev->vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid;
-        card->dev->vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid;
-        card->dev->set_mac_address = qeth_l2_set_mac_address;
         card->dev->mtu = card->info.initial_mtu;
+        card->dev->netdev_ops = &qeth_l2_netdev_ops;
         if (card->info.type != QETH_CARD_TYPE_OSN)
                 SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops);
         else
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 4693ee4e7b98..68d623ab7e6e 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1829,28 +1829,6 @@ static void qeth_l3_vlan_rx_register(struct net_device *dev,
 
 static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
 {
-        struct net_device *vlandev;
-        struct qeth_card *card = dev->ml_priv;
-        struct in_device *in_dev;
-
-        if (card->info.type == QETH_CARD_TYPE_IQD)
-                return;
-
-        vlandev = vlan_group_get_device(card->vlangrp, vid);
-        vlandev->neigh_setup = qeth_l3_neigh_setup;
-
-        in_dev = in_dev_get(vlandev);
-#ifdef CONFIG_SYSCTL
-        neigh_sysctl_unregister(in_dev->arp_parms);
-#endif
-        neigh_parms_release(&arp_tbl, in_dev->arp_parms);
-
-        in_dev->arp_parms = neigh_parms_alloc(vlandev, &arp_tbl);
-#ifdef CONFIG_SYSCTL
-        neigh_sysctl_register(vlandev, in_dev->arp_parms, NET_IPV4,
-                              NET_IPV4_NEIGH, "ipv4", NULL, NULL);
-#endif
-        in_dev_put(in_dev);
         return;
 }
 
@@ -2916,6 +2894,21 @@ qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np)
         return 0;
 }
 
+static struct net_device_ops qeth_l3_netdev_ops = {
+        .ndo_open               = qeth_l3_open,
+        .ndo_stop               = qeth_l3_stop,
+        .ndo_get_stats          = qeth_get_stats,
+        .ndo_start_xmit         = qeth_l3_hard_start_xmit,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_set_multicast_list = qeth_l3_set_multicast_list,
+        .ndo_do_ioctl           = qeth_l3_do_ioctl,
+        .ndo_change_mtu         = qeth_change_mtu,
+        .ndo_vlan_rx_register   = qeth_l3_vlan_rx_register,
+        .ndo_vlan_rx_add_vid    = qeth_l3_vlan_rx_add_vid,
+        .ndo_vlan_rx_kill_vid   = qeth_l3_vlan_rx_kill_vid,
+        .ndo_tx_timeout         = qeth_tx_timeout,
+};
+
 static int qeth_l3_setup_netdev(struct qeth_card *card)
 {
         if (card->info.type == QETH_CARD_TYPE_OSAE) {
@@ -2930,7 +2923,8 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
                         card->dev = alloc_etherdev(0);
                         if (!card->dev)
                                 return -ENODEV;
-                        card->dev->neigh_setup = qeth_l3_neigh_setup;
+                        qeth_l3_netdev_ops.ndo_neigh_setup =
+                                qeth_l3_neigh_setup;
 
                         /*IPv6 address autoconfiguration stuff*/
                         qeth_l3_get_unique_id(card);
@@ -2947,21 +2941,10 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
         } else
                 return -ENODEV;
 
-        card->dev->hard_start_xmit = qeth_l3_hard_start_xmit;
         card->dev->ml_priv = card;
-        card->dev->tx_timeout = &qeth_tx_timeout;
         card->dev->watchdog_timeo = QETH_TX_TIMEOUT;
-        card->dev->open = qeth_l3_open;
-        card->dev->stop = qeth_l3_stop;
-        card->dev->do_ioctl = qeth_l3_do_ioctl;
-        card->dev->get_stats = qeth_get_stats;
-        card->dev->change_mtu = qeth_change_mtu;
-        card->dev->set_multicast_list = qeth_l3_set_multicast_list;
-        card->dev->vlan_rx_register = qeth_l3_vlan_rx_register;
-        card->dev->vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid;
-        card->dev->vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid;
         card->dev->mtu = card->info.initial_mtu;
-        card->dev->set_mac_address = NULL;
+        card->dev->netdev_ops = &qeth_l3_netdev_ops;
         SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops);
         card->dev->features |=  NETIF_F_HW_VLAN_TX |
                                 NETIF_F_HW_VLAN_RX |