Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:
	Documentation/feature-removal-schedule.txt
	drivers/scsi/fcoe/fcoe.c
	net/core/drop_monitor.c
	net/core/net-traces.c

27 files changed, 282 insertions, 272 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index d1815272c43..442bb98a282 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -603,7 +603,7 @@ static void dasd_profile_end(struct dasd_block *block,
 	if (dasd_profile_level != DASD_PROFILE_ON)
 		return;
 
-	sectors = req->nr_sectors;
+	sectors = blk_rq_sectors(req);
 	if (!cqr->buildclk || !cqr->startclk ||
 	    !cqr->stopclk || !cqr->endclk ||
 	    !sectors)
@@ -851,8 +851,10 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
 
 	/* Check the cqr */
 	rc = dasd_check_cqr(cqr);
-	if (rc)
+	if (rc) {
+		cqr->intrc = rc;
 		return rc;
+	}
 	device = (struct dasd_device *) cqr->startdev;
 	if (cqr->retries < 0) {
 		/* internal error 14 - start_IO run out of retries */
@@ -915,6 +917,7 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
 		BUG();
 		break;
 	}
+	cqr->intrc = rc;
 	return rc;
 }
 
@@ -1454,8 +1457,12 @@ int dasd_sleep_on(struct dasd_ccw_req *cqr)
 	dasd_add_request_tail(cqr);
 	wait_event(generic_waitq, _wait_for_wakeup(cqr));
 
-	/* Request status is either done or failed. */
-	rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO;
+	if (cqr->status == DASD_CQR_DONE)
+		rc = 0;
+	else if (cqr->intrc)
+		rc = cqr->intrc;
+	else
+		rc = -EIO;
 	return rc;
 }
 
@@ -1477,8 +1484,15 @@ int dasd_sleep_on_interruptible(struct dasd_ccw_req *cqr)
 		dasd_cancel_req(cqr);
 		/* wait (non-interruptible) for final status */
 		wait_event(generic_waitq, _wait_for_wakeup(cqr));
+		cqr->intrc = rc;
 	}
-	rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO;
+
+	if (cqr->status == DASD_CQR_DONE)
+		rc = 0;
+	else if (cqr->intrc)
+		rc = cqr->intrc;
+	else
+		rc = -EIO;
 	return rc;
 }
 
@@ -1523,8 +1537,12 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
 
 	wait_event(generic_waitq, _wait_for_wakeup(cqr));
 
-	/* Request status is either done or failed. */
-	rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO;
+	if (cqr->status == DASD_CQR_DONE)
+		rc = 0;
+	else if (cqr->intrc)
+		rc = cqr->intrc;
+	else
+		rc = -EIO;
 	return rc;
 }
 
@@ -1614,15 +1632,6 @@ void dasd_block_clear_timer(struct dasd_block *block)
 }
 
 /*
- * posts the buffer_cache about a finalized request
- */
-static inline void dasd_end_request(struct request *req, int error)
-{
-	if (__blk_end_request(req, error, blk_rq_bytes(req)))
-		BUG();
-}
-
-/*
  * Process finished error recovery ccw.
  */
 static inline void __dasd_block_process_erp(struct dasd_block *block,
@@ -1665,18 +1674,14 @@ static void __dasd_process_request_queue(struct dasd_block *block)
 	if (basedev->state < DASD_STATE_READY)
 		return;
 	/* Now we try to fetch requests from the request queue */
-	while (!blk_queue_plugged(queue) &&
-	       elv_next_request(queue)) {
-
-		req = elv_next_request(queue);
-
+	while (!blk_queue_plugged(queue) && (req = blk_peek_request(queue))) {
 		if (basedev->features & DASD_FEATURE_READONLY &&
 		    rq_data_dir(req) == WRITE) {
 			DBF_DEV_EVENT(DBF_ERR, basedev,
 				      "Rejecting write request %p",
 				      req);
-			blkdev_dequeue_request(req);
-			dasd_end_request(req, -EIO);
+			blk_start_request(req);
+			__blk_end_request_all(req, -EIO);
 			continue;
 		}
 		cqr = basedev->discipline->build_cp(basedev, block, req);
@@ -1704,8 +1709,8 @@ static void __dasd_process_request_queue(struct dasd_block *block)
 				      "CCW creation failed (rc=%ld) "
 				      "on request %p",
 				      PTR_ERR(cqr), req);
-			blkdev_dequeue_request(req);
-			dasd_end_request(req, -EIO);
+			blk_start_request(req);
+			__blk_end_request_all(req, -EIO);
 			continue;
 		}
 		/*
@@ -1714,7 +1719,7 @@ static void __dasd_process_request_queue(struct dasd_block *block)
 		 */
 		cqr->callback_data = (void *) req;
 		cqr->status = DASD_CQR_FILLED;
-		blkdev_dequeue_request(req);
+		blk_start_request(req);
 		list_add_tail(&cqr->blocklist, &block->ccw_queue);
 		dasd_profile_start(block, cqr, req);
 	}
@@ -1731,7 +1736,7 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr)
 	status = cqr->block->base->discipline->free_cp(cqr, req);
 	if (status <= 0)
 		error = status ? status : -EIO;
-	dasd_end_request(req, error);
+	__blk_end_request_all(req, error);
 }
 
 /*
@@ -2003,7 +2008,7 @@ static void dasd_setup_queue(struct dasd_block *block)
 {
 	int max;
 
-	blk_queue_hardsect_size(block->request_queue, block->bp_block);
+	blk_queue_logical_block_size(block->request_queue, block->bp_block);
 	max = block->base->discipline->max_blocks << block->s2b_shift;
 	blk_queue_max_sectors(block->request_queue, max);
 	blk_queue_max_phys_segments(block->request_queue, -1L);
@@ -2038,10 +2043,8 @@ static void dasd_flush_request_queue(struct dasd_block *block)
 		return;
 
 	spin_lock_irq(&block->request_queue_lock);
-	while ((req = elv_next_request(block->request_queue))) {
-		blkdev_dequeue_request(req);
-		dasd_end_request(req, -EIO);
-	}
+	while ((req = blk_fetch_request(block->request_queue)))
+		__blk_end_request_all(req, -EIO);
 	spin_unlock_irq(&block->request_queue_lock);
 }
 
@@ -2442,12 +2445,12 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 
 
 int dasd_generic_read_dev_chars(struct dasd_device *device, char *magic,
-				void **rdc_buffer, int rdc_buffer_size)
+				void *rdc_buffer, int rdc_buffer_size)
 {
 	int ret;
 	struct dasd_ccw_req *cqr;
 
-	cqr = dasd_generic_build_rdc(device, *rdc_buffer, rdc_buffer_size,
+	cqr = dasd_generic_build_rdc(device, rdc_buffer, rdc_buffer_size,
 				     magic);
 	if (IS_ERR(cqr))
 		return PTR_ERR(cqr);
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index b9a7f773344..644086ba2ed 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -202,6 +202,7 @@ dasd_start_diag(struct dasd_ccw_req * cqr)
 		rc = -EIO;
 		break;
 	}
+	cqr->intrc = rc;
 	return rc;
 }
 
@@ -505,8 +506,9 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
 		return ERR_PTR(-EINVAL);
 	blksize = block->bp_block;
 	/* Calculate record id of first and last block. */
-	first_rec = req->sector >> block->s2b_shift;
-	last_rec = (req->sector + req->nr_sectors - 1) >> block->s2b_shift;
+	first_rec = blk_rq_pos(req) >> block->s2b_shift;
+	last_rec =
+		(blk_rq_pos(req) + blk_rq_sectors(req) - 1) >> block->s2b_shift;
 	/* Check struct bio and count the number of blocks for the request. */
 	count = 0;
 	rq_for_each_segment(bv, req, iter) {
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index cb52da033f0..cf0cfdba124 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1097,20 +1097,20 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 {
 	struct dasd_eckd_private *private;
 	struct dasd_block *block;
-	void *rdc_data;
 	int is_known, rc;
 
 	private = (struct dasd_eckd_private *) device->private;
-	if (private == NULL) {
-		private = kzalloc(sizeof(struct dasd_eckd_private),
-				  GFP_KERNEL | GFP_DMA);
-		if (private == NULL) {
+	if (!private) {
+		private = kzalloc(sizeof(*private), GFP_KERNEL | GFP_DMA);
+		if (!private) {
 			dev_warn(&device->cdev->dev,
 				 "Allocating memory for private DASD data "
 				 "failed\n");
 			return -ENOMEM;
 		}
 		device->private = (void *) private;
+	} else {
+		memset(private, 0, sizeof(*private));
 	}
 	/* Invalidate status of initial analysis. */
 	private->init_cqr_status = -1;
@@ -1161,9 +1161,8 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 		goto out_err3;
 
 	/* Read Device Characteristics */
-	rdc_data = (void *) &(private->rdc_data);
-	memset(rdc_data, 0, sizeof(rdc_data));
-	rc = dasd_generic_read_dev_chars(device, "ECKD", &rdc_data, 64);
+	rc = dasd_generic_read_dev_chars(device, "ECKD", &private->rdc_data,
+					 64);
 	if (rc) {
 		DBF_EVENT(DBF_WARNING,
 			  "Read device characteristics failed, rc=%d for "
@@ -1183,7 +1182,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 		 private->rdc_data.dev_model,
 		 private->rdc_data.cu_type,
 		 private->rdc_data.cu_model.model,
-		    private->real_cyl,
+		 private->real_cyl,
 		 private->rdc_data.trk_per_cyl,
 		 private->rdc_data.sec_per_trk);
 	return 0;
@@ -2336,9 +2335,10 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
 {
 	int tpm, cmdrtd, cmdwtd;
 	int use_prefix;
-
-	struct dasd_eckd_private *private;
+#if defined(CONFIG_64BIT)
 	int fcx_in_css, fcx_in_gneq, fcx_in_features;
+#endif
+	struct dasd_eckd_private *private;
 	struct dasd_device *basedev;
 	sector_t first_rec, last_rec;
 	sector_t first_trk, last_trk;
@@ -2354,18 +2354,22 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
 	blksize = block->bp_block;
 	blk_per_trk = recs_per_track(&private->rdc_data, 0, blksize);
 	/* Calculate record id of first and last block. */
-	first_rec = first_trk = req->sector >> block->s2b_shift;
+	first_rec = first_trk = blk_rq_pos(req) >> block->s2b_shift;
 	first_offs = sector_div(first_trk, blk_per_trk);
 	last_rec = last_trk =
-		(req->sector + req->nr_sectors - 1) >> block->s2b_shift;
+		(blk_rq_pos(req) + blk_rq_sectors(req) - 1) >> block->s2b_shift;
 	last_offs = sector_div(last_trk, blk_per_trk);
 	cdlspecial = (private->uses_cdl && first_rec < 2*blk_per_trk);
 
-	/* is transport mode supported ? */
+	/* is transport mode supported? */
+#if defined(CONFIG_64BIT)
 	fcx_in_css = css_general_characteristics.fcx;
 	fcx_in_gneq = private->gneq->reserved2[7] & 0x04;
 	fcx_in_features = private->features.feature[40] & 0x80;
 	tpm = fcx_in_css && fcx_in_gneq && fcx_in_features;
+#else
+	tpm = 0;
+#endif
 
 	/* is read track data and write track data in command mode supported? */
 	cmdrtd = private->features.feature[9] & 0x20;
@@ -2420,7 +2424,7 @@ dasd_eckd_free_cp(struct dasd_ccw_req *cqr, struct request *req)
 	private = (struct dasd_eckd_private *) cqr->block->base->private;
 	blksize = cqr->block->bp_block;
 	blk_per_trk = recs_per_track(&private->rdc_data, 0, blksize);
-	recid = req->sector >> cqr->block->s2b_shift;
+	recid = blk_rq_pos(req) >> cqr->block->s2b_shift;
 	ccw = cqr->cpaddr;
 	/* Skip over define extent & locate record. */
 	ccw++;
@@ -3013,8 +3017,9 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
 		      " I/O status report for device %s:\n",
 		      dev_name(&device->cdev->dev));
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
-		       " in req: %p CS: 0x%02X DS: 0x%02X\n", req,
-		       scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw));
+		       " in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d\n",
+		       req, scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
+		       scsw_cc(&irb->scsw), req->intrc);
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " device %s: Failing CCW: %p\n",
 		       dev_name(&device->cdev->dev),
@@ -3115,9 +3120,10 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
 		      " I/O status report for device %s:\n",
 		      dev_name(&device->cdev->dev));
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
-		       " in req: %p CS: 0x%02X DS: 0x%02X "
+		       " in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d "
 		       "fcxs: 0x%02X schxs: 0x%02X\n", req,
 		       scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
+		       scsw_cc(&irb->scsw), req->intrc,
 		       irb->scsw.tm.fcxs, irb->scsw.tm.schxs);
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " device %s: Failing TCW: %p\n",
@@ -3273,8 +3279,14 @@ static struct dasd_discipline dasd_eckd_discipline = {
 static int __init
 dasd_eckd_init(void)
 {
+	int ret;
+
 	ASCEBC(dasd_eckd_discipline.ebcname, 4);
-	return ccw_driver_register(&dasd_eckd_driver);
+	ret = ccw_driver_register(&dasd_eckd_driver);
+	if (!ret)
+		wait_for_device_probe();
+
+	return ret;
 }
 
 static void __exit
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index a3eb6fd1467..597c6ffdb9f 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -122,20 +122,20 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 	struct dasd_block *block;
 	struct dasd_fba_private *private;
 	struct ccw_device *cdev = device->cdev;
-	void *rdc_data;
 	int rc;
 
 	private = (struct dasd_fba_private *) device->private;
-	if (private == NULL) {
-		private = kzalloc(sizeof(struct dasd_fba_private),
-				  GFP_KERNEL | GFP_DMA);
-		if (private == NULL) {
+	if (!private) {
+		private = kzalloc(sizeof(*private), GFP_KERNEL | GFP_DMA);
+		if (!private) {
 			dev_warn(&device->cdev->dev,
 				 "Allocating memory for private DASD "
 				 "data failed\n");
 			return -ENOMEM;
 		}
 		device->private = (void *) private;
+	} else {
+		memset(private, 0, sizeof(*private));
 	}
 	block = dasd_alloc_block();
 	if (IS_ERR(block)) {
@@ -150,8 +150,8 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 	block->base = device;
 
 	/* Read Device Characteristics */
-	rdc_data = (void *) &(private->rdc_data);
-	rc = dasd_generic_read_dev_chars(device, "FBA ", &rdc_data, 32);
+	rc = dasd_generic_read_dev_chars(device, "FBA ", &private->rdc_data,
+					 32);
 	if (rc) {
 		DBF_EVENT(DBF_WARNING, "Read device characteristics returned "
 			  "error %d for device: %s",
@@ -270,8 +270,9 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
 		return ERR_PTR(-EINVAL);
 	blksize = block->bp_block;
 	/* Calculate record id of first and last block. */
-	first_rec = req->sector >> block->s2b_shift;
-	last_rec = (req->sector + req->nr_sectors - 1) >> block->s2b_shift;
+	first_rec = blk_rq_pos(req) >> block->s2b_shift;
+	last_rec =
+		(blk_rq_pos(req) + blk_rq_sectors(req) - 1) >> block->s2b_shift;
 	/* Check struct bio and count the number of blocks for the request. */
 	count = 0;
 	cidaw = 0;
@@ -309,7 +310,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
 	ccw = cqr->cpaddr;
 	/* First ccw is define extent. */
 	define_extent(ccw++, cqr->data, rq_data_dir(req),
-		      block->bp_block, req->sector, req->nr_sectors);
+		      block->bp_block, blk_rq_pos(req), blk_rq_sectors(req));
 	/* Build locate_record + read/write ccws. */
 	idaws = (unsigned long *) (cqr->data + sizeof(struct DE_fba_data));
 	LO_data = (struct LO_fba_data *) (idaws + cidaw);
@@ -603,8 +604,14 @@ static struct dasd_discipline dasd_fba_discipline = {
 static int __init
 dasd_fba_init(void)
 {
+	int ret;
+
 	ASCEBC(dasd_fba_discipline.ebcname, 4);
-	return ccw_driver_register(&dasd_fba_driver);
+	ret = ccw_driver_register(&dasd_fba_driver);
+	if (!ret)
+		wait_for_device_probe();
+
+	return ret;
 }
 
 static void __exit
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index c1e487f774c..f97ceb79507 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -173,6 +173,7 @@ struct dasd_ccw_req {
 	void *data;			/* pointer to data area */
 
 	/* these are important for recovering erroneous requests          */
+	int intrc;			/* internal error, e.g. from start_IO */
 	struct irb irb;			/* device status in case of an error */
 	struct dasd_ccw_req *refers;	/* ERP-chain queueing. */
 	void *function; 		/* originating ERP action */
@@ -578,7 +579,7 @@ int dasd_generic_set_offline (struct ccw_device *cdev);
 int dasd_generic_notify(struct ccw_device *, int);
 void dasd_generic_handle_state_change(struct dasd_device *);
 
-int dasd_generic_read_dev_chars(struct dasd_device *, char *, void **, int);
+int dasd_generic_read_dev_chars(struct dasd_device *, char *, void *, int);
 char *dasd_get_sense(struct irb *);
 
 /* externals in dasd_devmap.c */
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index cfdcf1aed33..b21caf177e3 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -127,7 +127,7 @@ dcssblk_assign_free_minor(struct dcssblk_dev_info *dev_info)
 		found = 0;
 		// test if minor available
 		list_for_each_entry(entry, &dcssblk_devices, lh)
-			if (minor == MINOR(disk_devt(entry->gd)))
+			if (minor == entry->gd->first_minor)
 				found++;
 		if (!found) break; // got unused minor
 	}
@@ -602,7 +602,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 	dev_info->gd->private_data = dev_info;
 	dev_info->gd->driverfs_dev = &dev_info->dev;
 	blk_queue_make_request(dev_info->dcssblk_queue, dcssblk_make_request);
-	blk_queue_hardsect_size(dev_info->dcssblk_queue, 4096);
+	blk_queue_logical_block_size(dev_info->dcssblk_queue, 4096);
 
 	seg_byte_size = (dev_info->end - dev_info->start + 1);
 	set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors
@@ -625,7 +625,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 	if (rc)
 		goto release_gd;
 	sprintf(dev_info->gd->disk_name, "dcssblk%d",
-		MINOR(disk_devt(dev_info->gd)));
+		dev_info->gd->first_minor);
 	list_add_tail(&dev_info->lh, &dcssblk_devices);
 
 	if (!try_module_get(THIS_MODULE)) {
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 76814f3e898..0ae0c83ef87 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -343,7 +343,7 @@ static int __init xpram_setup_blkdev(void)
 			goto out;
 		}
 		blk_queue_make_request(xpram_queues[i], xpram_make_request);
-		blk_queue_hardsect_size(xpram_queues[i], 4096);
+		blk_queue_logical_block_size(xpram_queues[i], 4096);
 	}
 
 	/*
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index d028d2ee83d..ed5396dae58 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -64,7 +64,7 @@ static struct con3270 *condev;
 #define CON_UPDATE_ERASE	1	/* Use EWRITEA instead of WRITE. */
 #define CON_UPDATE_LIST		2	/* Update lines in tty3270->update. */
 #define CON_UPDATE_STATUS	4	/* Update status line. */
-#define CON_UPDATE_ALL		7
+#define CON_UPDATE_ALL		8	/* Recreate screen. */
 
 static void con3270_update(struct con3270 *);
 
@@ -73,18 +73,10 @@ static void con3270_update(struct con3270 *);
  */
 static void con3270_set_timer(struct con3270 *cp, int expires)
 {
-	if (expires == 0) {
-		if (timer_pending(&cp->timer))
-			del_timer(&cp->timer);
-		return;
-	}
-	if (timer_pending(&cp->timer) &&
-	    mod_timer(&cp->timer, jiffies + expires))
-		return;
-	cp->timer.function = (void (*)(unsigned long)) con3270_update;
-	cp->timer.data = (unsigned long) cp;
-	cp->timer.expires = jiffies + expires;
-	add_timer(&cp->timer);
+	if (expires == 0)
+		del_timer(&cp->timer);
+	else
+		mod_timer(&cp->timer, jiffies + expires);
 }
 
 /*
@@ -225,6 +217,12 @@ con3270_update(struct con3270 *cp)
 
 	spin_lock_irqsave(&cp->view.lock, flags);
 	updated = 0;
+	if (cp->update_flags & CON_UPDATE_ALL) {
+		con3270_rebuild_update(cp);
+		con3270_update_status(cp);
+		cp->update_flags = CON_UPDATE_ERASE | CON_UPDATE_LIST |
+			CON_UPDATE_STATUS;
+	}
 	if (cp->update_flags & CON_UPDATE_ERASE) {
 		/* Use erase write alternate to initialize display. */
 		raw3270_request_set_cmd(wrq, TC_EWRITEA);
@@ -302,7 +300,6 @@ con3270_read_tasklet(struct raw3270_request *rrq)
 		deactivate = 1;
 		break;
 	case 0x6d:	/* clear: start from scratch. */
-		con3270_rebuild_update(cp);
 		cp->update_flags = CON_UPDATE_ALL;
 		con3270_set_timer(cp, 1);
 		break;
@@ -382,30 +379,21 @@ con3270_issue_read(struct con3270 *cp)
 static int
 con3270_activate(struct raw3270_view *view)
 {
-	unsigned long flags;
 	struct con3270 *cp;
 
 	cp = (struct con3270 *) view;
-	spin_lock_irqsave(&cp->view.lock, flags);
-	cp->nr_up = 0;
-	con3270_rebuild_update(cp);
-	con3270_update_status(cp);
 	cp->update_flags = CON_UPDATE_ALL;
 	con3270_set_timer(cp, 1);
-	spin_unlock_irqrestore(&cp->view.lock, flags);
 	return 0;
 }
 
 static void
 con3270_deactivate(struct raw3270_view *view)
 {
-	unsigned long flags;
 	struct con3270 *cp;
 
 	cp = (struct con3270 *) view;
-	spin_lock_irqsave(&cp->view.lock, flags);
 	del_timer(&cp->timer);
-	spin_unlock_irqrestore(&cp->view.lock, flags);
 }
 
 static int
@@ -504,6 +492,7 @@ con3270_write(struct console *co, const char *str, unsigned int count)
 			con3270_cline_end(cp);
 	}
 	/* Setup timer to output current console buffer after 1/10 second */
+	cp->nr_up = 0;
 	if (cp->view.dev && !timer_pending(&cp->timer))
 		con3270_set_timer(cp, HZ/10);
 	spin_unlock_irqrestore(&cp->view.lock,flags);
@@ -624,7 +613,8 @@ con3270_init(void)
 
 	INIT_LIST_HEAD(&condev->lines);
 	INIT_LIST_HEAD(&condev->update);
-	init_timer(&condev->timer);
+	setup_timer(&condev->timer, (void (*)(unsigned long)) con3270_update,
+		    (unsigned long) condev);
 	tasklet_init(&condev->readlet, 
 		     (void (*)(unsigned long)) con3270_read_tasklet,
 		     (unsigned long) condev->read);
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 5f8e8ef43dd..2d00a383a47 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -1134,7 +1134,7 @@ tape_34xx_bread(struct tape_device *device, struct request *req)
 	/* Setup ccws. */
 	request->op = TO_BLOCK;
 	start_block = (struct tape_34xx_block_id *) request->cpdata;
-	start_block->block = req->sector >> TAPEBLOCK_HSEC_S2B;
+	start_block->block = blk_rq_pos(req) >> TAPEBLOCK_HSEC_S2B;
 	DBF_EVENT(6, "start_block = %i\n", start_block->block);
 
 	ccw = request->cpaddr;
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 823b05bd0dd..c453b2f3e9f 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -633,7 +633,7 @@ tape_3590_bread(struct tape_device *device, struct request *req)
 	struct req_iterator iter;
 
 	DBF_EVENT(6, "xBREDid:");
-	start_block = req->sector >> TAPEBLOCK_HSEC_S2B;
+	start_block = blk_rq_pos(req) >> TAPEBLOCK_HSEC_S2B;
 	DBF_EVENT(6, "start_block = %i\n", start_block);
 
 	rq_for_each_segment(bv, req, iter)
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index f32e89e7c4f..47ff695255e 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -74,13 +74,6 @@ tapeblock_trigger_requeue(struct tape_device *device)
  * Post finished request.
  */
 static void
-tapeblock_end_request(struct request *req, int error)
-{
-	if (blk_end_request(req, error, blk_rq_bytes(req)))
-		BUG();
-}
-
-static void
 __tapeblock_end_request(struct tape_request *ccw_req, void *data)
 {
 	struct tape_device *device;
@@ -90,17 +83,17 @@ __tapeblock_end_request(struct tape_request *ccw_req, void *data)
 
 	device = ccw_req->device;
 	req = (struct request *) data;
-	tapeblock_end_request(req, (ccw_req->rc == 0) ? 0 : -EIO);
+	blk_end_request_all(req, (ccw_req->rc == 0) ? 0 : -EIO);
 	if (ccw_req->rc == 0)
 		/* Update position. */
 		device->blk_data.block_position =
-			(req->sector + req->nr_sectors) >> TAPEBLOCK_HSEC_S2B;
+		  (blk_rq_pos(req) + blk_rq_sectors(req)) >> TAPEBLOCK_HSEC_S2B;
 	else
 		/* We lost the position information due to an error. */
 		device->blk_data.block_position = -1;
 	device->discipline->free_bread(ccw_req);
 	if (!list_empty(&device->req_queue) ||
-	    elv_next_request(device->blk_data.request_queue))
+	    blk_peek_request(device->blk_data.request_queue))
 		tapeblock_trigger_requeue(device);
 }
 
@@ -118,7 +111,7 @@ tapeblock_start_request(struct tape_device *device, struct request *req)
 	ccw_req = device->discipline->bread(device, req);
 	if (IS_ERR(ccw_req)) {
 		DBF_EVENT(1, "TBLOCK: bread failed\n");
-		tapeblock_end_request(req, -EIO);
+		blk_end_request_all(req, -EIO);
 		return PTR_ERR(ccw_req);
 	}
 	ccw_req->callback = __tapeblock_end_request;
@@ -131,7 +124,7 @@ tapeblock_start_request(struct tape_device *device, struct request *req)
 		 * Start/enqueueing failed. No retries in
 		 * this case.
 		 */
-		tapeblock_end_request(req, -EIO);
+		blk_end_request_all(req, -EIO);
 		device->discipline->free_bread(ccw_req);
 	}
 
@@ -169,19 +162,16 @@ tapeblock_requeue(struct work_struct *work) {
 	spin_lock_irq(&device->blk_data.request_queue_lock);
 	while (
 		!blk_queue_plugged(queue) &&
-		elv_next_request(queue)   &&
+		(req = blk_fetch_request(queue)) &&
 		nr_queued < TAPEBLOCK_MIN_REQUEUE
 	) {
-		req = elv_next_request(queue);
 		if (rq_data_dir(req) == WRITE) {
 			DBF_EVENT(1, "TBLOCK: Rejecting write request\n");
-			blkdev_dequeue_request(req);
 			spin_unlock_irq(&device->blk_data.request_queue_lock);
-			tapeblock_end_request(req, -EIO);
+			blk_end_request_all(req, -EIO);
 			spin_lock_irq(&device->blk_data.request_queue_lock);
 			continue;
 		}
-		blkdev_dequeue_request(req);
 		nr_queued++;
 		spin_unlock_irq(&device->blk_data.request_queue_lock);
 		rc = tapeblock_start_request(device, req);
@@ -232,7 +222,7 @@ tapeblock_setup_device(struct tape_device * device)
 	if (rc)
 		goto cleanup_queue;
 
-	blk_queue_hardsect_size(blkdat->request_queue, TAPEBLOCK_HSEC_SIZE);
+	blk_queue_logical_block_size(blkdat->request_queue, TAPEBLOCK_HSEC_SIZE);
 	blk_queue_max_sectors(blkdat->request_queue, TAPEBLOCK_MAX_SEC);
 	blk_queue_max_phys_segments(blkdat->request_queue, -1L);
 	blk_queue_max_hw_segments(blkdat->request_queue, -1L);
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index a7fe6302c98..38385677c65 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -112,7 +112,7 @@ struct tty3270 {
 #define TTY_UPDATE_LIST		2	/* Update lines in tty3270->update. */
 #define TTY_UPDATE_INPUT	4	/* Update input line. */
 #define TTY_UPDATE_STATUS	8	/* Update status line. */
-#define TTY_UPDATE_ALL		15
+#define TTY_UPDATE_ALL		16	/* Recreate screen. */
 
 static void tty3270_update(struct tty3270 *);
 
@@ -121,19 +121,10 @@ static void tty3270_update(struct tty3270 *);
  */
 static void tty3270_set_timer(struct tty3270 *tp, int expires)
 {
-	if (expires == 0) {
-		if (timer_pending(&tp->timer) && del_timer(&tp->timer))
-			raw3270_put_view(&tp->view);
-		return;
-	}
-	if (timer_pending(&tp->timer) &&
-	    mod_timer(&tp->timer, jiffies + expires))
-		return;
-	raw3270_get_view(&tp->view);
-	tp->timer.function = (void (*)(unsigned long)) tty3270_update;
-	tp->timer.data = (unsigned long) tp;
-	tp->timer.expires = jiffies + expires;
-	add_timer(&tp->timer);
+	if (expires == 0)
+		del_timer(&tp->timer);
+	else
+		mod_timer(&tp->timer, jiffies + expires);
 }
 
 /*
@@ -337,7 +328,6 @@ tty3270_write_callback(struct raw3270_request *rq, void *data)
 	tp = (struct tty3270 *) rq->view;
 	if (rq->rc != 0) {
 		/* Write wasn't successfull. Refresh all. */
-		tty3270_rebuild_update(tp);
 		tp->update_flags = TTY_UPDATE_ALL;
 		tty3270_set_timer(tp, 1);
 	}
@@ -366,6 +356,12 @@ tty3270_update(struct tty3270 *tp)
 
 	spin_lock(&tp->view.lock);
 	updated = 0;
+	if (tp->update_flags & TTY_UPDATE_ALL) {
+		tty3270_rebuild_update(tp);
+		tty3270_update_status(tp);
+		tp->update_flags = TTY_UPDATE_ERASE | TTY_UPDATE_LIST |
+			TTY_UPDATE_INPUT | TTY_UPDATE_STATUS;
+	}
 	if (tp->update_flags & TTY_UPDATE_ERASE) {
 		/* Use erase write alternate to erase display. */
 		raw3270_request_set_cmd(wrq, TC_EWRITEA);
@@ -425,7 +421,6 @@ tty3270_update(struct tty3270 *tp)
 		xchg(&tp->write, wrq);
 	}
 	spin_unlock(&tp->view.lock);