15 files changed, 176 insertions, 167 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index b755bac6ccbc..02cfe244e069 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -7,7 +7,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
  *
- * $Revision: 1.158 $
+ * $Revision: 1.161 $
  */
 
 #include <linux/config.h>
@@ -1131,13 +1131,17 @@ __dasd_process_blk_queue(struct dasd_device * device)
         request_queue_t *queue;
         struct request *req;
         struct dasd_ccw_req *cqr;
-        int nr_queued;
+        int nr_queued, feature_ro;
 
         queue = device->request_queue;
         /* No queue ? Then there is nothing to do. */
         if (queue == NULL)
                 return;
 
+        feature_ro = dasd_get_feature(device->cdev, DASD_FEATURE_READONLY);
+        if (feature_ro < 0)     /* no devmap */
+                return;
+
         /*
          * We requeue request from the block device queue to the ccw
          * queue only in two states. In state DASD_STATE_READY the
@@ -1157,8 +1161,8 @@ __dasd_process_blk_queue(struct dasd_device * device)
                elv_next_request(queue) &&
                 nr_queued < DASD_CHANQ_MAX_SIZE) {
                 req = elv_next_request(queue);
-                if (test_bit(DASD_FLAG_RO, &device->flags) &&
-                    rq_data_dir(req) == WRITE) {
+
+                if (feature_ro && rq_data_dir(req) == WRITE) {
                         DBF_DEV_EVENT(DBF_ERR, device,
                                       "Rejecting write request %p",
                                       req);
@@ -1631,6 +1635,7 @@ dasd_setup_queue(struct dasd_device * device)
         blk_queue_max_hw_segments(device->request_queue, -1L);
         blk_queue_max_segment_size(device->request_queue, -1L);
         blk_queue_segment_boundary(device->request_queue, -1L);
+        blk_queue_ordered(device->request_queue, 1);
 }
 
 /*
@@ -1803,13 +1808,17 @@ dasd_generic_set_online (struct ccw_device *cdev,
 
 {
         struct dasd_device *device;
-        int rc;
+        int feature_diag, rc;
+
+        feature_diag = dasd_get_feature(cdev, DASD_FEATURE_USEDIAG);
+        if (feature_diag < 0)
+                return feature_diag;
 
         device = dasd_create_device(cdev);
         if (IS_ERR(device))
                 return PTR_ERR(device);
 
-        if (test_bit(DASD_FLAG_USE_DIAG, &device->flags)) {
+        if (feature_diag) {
                 if (!dasd_diag_discipline_pointer) {
                         printk (KERN_WARNING
                                 "dasd_generic couldn't online device %s "
diff --git a/drivers/s390/block/dasd_cmb.c b/drivers/s390/block/dasd_cmb.c
index ed1ab474c0c6..4f365bff275c 100644
--- a/drivers/s390/block/dasd_cmb.c
+++ b/drivers/s390/block/dasd_cmb.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/s390/block/dasd_cmb.c ($Revision: 1.6 $)
+ * linux/drivers/s390/block/dasd_cmb.c ($Revision: 1.9 $)
  *
  * Linux on zSeries Channel Measurement Facility support
  *  (dasd device driver interface)
@@ -23,7 +23,6 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 #include <linux/init.h>
-#include <linux/ioctl32.h>
 #include <linux/module.h>
 #include <asm/ccwdev.h>
 #include <asm/cmb.h>
@@ -84,27 +83,13 @@ dasd_ioctl_readall_cmb(struct block_device *bdev, int no, long args)
 static inline int
 ioctl_reg(unsigned int no, dasd_ioctl_fn_t handler)
 {
-        int ret;
-        ret = dasd_ioctl_no_register(THIS_MODULE, no, handler);
-#ifdef CONFIG_COMPAT
-        if (ret)
-                return ret;
-
-        ret = register_ioctl32_conversion(no, NULL);
-        if (ret)
-                dasd_ioctl_no_unregister(THIS_MODULE, no, handler);
-#endif
-        return ret;
+        return dasd_ioctl_no_register(THIS_MODULE, no, handler);
 }
 
 static inline void
 ioctl_unreg(unsigned int no, dasd_ioctl_fn_t handler)
 {
         dasd_ioctl_no_unregister(THIS_MODULE, no, handler);
-#ifdef CONFIG_COMPAT
-        unregister_ioctl32_conversion(no);
-#endif
-
 }
 
 static void
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index ad1841a96c87..1aedc48e5f85 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -11,7 +11,7 @@
  * functions may not be called from interrupt context. In particular
  * dasd_get_device is a no-no from interrupt context.
  *
- * $Revision: 1.37 $
+ * $Revision: 1.40 $
  */
 
 #include <linux/config.h>
@@ -513,14 +513,6 @@ dasd_create_device(struct ccw_device *cdev)
         if (!devmap->device) {
                 devmap->device = device;
                 device->devindex = devmap->devindex;
-                if (devmap->features & DASD_FEATURE_READONLY)
-                        set_bit(DASD_FLAG_RO, &device->flags);
-                else
-                        clear_bit(DASD_FLAG_RO, &device->flags);
-                if (devmap->features & DASD_FEATURE_USEDIAG)
-                        set_bit(DASD_FLAG_USE_DIAG, &device->flags);
-                else
-                        clear_bit(DASD_FLAG_USE_DIAG, &device->flags);
                 get_device(&cdev->dev);
                 device->cdev = cdev;
                 rc = 0;
@@ -651,14 +643,8 @@ dasd_ro_store(struct device *dev, const char *buf, size_t count)
                 devmap->features |= DASD_FEATURE_READONLY;
         else
                 devmap->features &= ~DASD_FEATURE_READONLY;
-        if (devmap->device) {
-                if (devmap->device->gdp)
-                        set_disk_ro(devmap->device->gdp, ro_flag);
-                if (ro_flag)
-                        set_bit(DASD_FLAG_RO, &devmap->device->flags);
-                else
-                        clear_bit(DASD_FLAG_RO, &devmap->device->flags);
-        }
+        if (devmap->device && devmap->device->gdp)
+                set_disk_ro(devmap->device->gdp, ro_flag);
         spin_unlock(&dasd_devmap_lock);
         return count;
 }
@@ -739,6 +725,45 @@ static struct attribute_group dasd_attr_group = {
         .attrs = dasd_attrs,
 };
 
+/*
+ * Return value of the specified feature.
+ */
+int
+dasd_get_feature(struct ccw_device *cdev, int feature)
+{
+        struct dasd_devmap *devmap;
+
+        devmap = dasd_find_busid(cdev->dev.bus_id);
+        if (IS_ERR(devmap))
+                return (int) PTR_ERR(devmap);
+
+        return ((devmap->features & feature) != 0);
+}
+
+/*
+ * Set / reset given feature.
+ * Flag indicates wether to set (!=0) or the reset (=0) the feature.
+ */
+int
+dasd_set_feature(struct ccw_device *cdev, int feature, int flag)
+{
+        struct dasd_devmap *devmap;
+
+        devmap = dasd_find_busid(cdev->dev.bus_id);
+        if (IS_ERR(devmap))
+                return (int) PTR_ERR(devmap);
+
+        spin_lock(&dasd_devmap_lock);
+        if (flag)
+                devmap->features |= feature;
+        else
+                devmap->features &= ~feature;
+
+        spin_unlock(&dasd_devmap_lock);
+        return 0;
+}
+
+
 int
 dasd_add_sysfs_files(struct ccw_device *cdev)
 {
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 838aedf78a56..811060e10c00 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -7,7 +7,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
  *
- * $Revision: 1.69 $
+ * $Revision: 1.71 $
  */
 
 #include <linux/config.h>
@@ -1101,7 +1101,8 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
                                 if (dasd_eckd_cdl_special(blk_per_trk, recid)){
                                         rcmd |= 0x8;
                                         count = dasd_eckd_cdl_reclen(recid);
-                                        if (count < blksize)
+                                        if (count < blksize &&
+                                            rq_data_dir(req) == READ)
                                                 memset(dst + count, 0xe5,
                                                        blksize - count);
                                 }
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 1d52db406b2e..96c49349701f 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -9,7 +9,7 @@
  *
  * gendisk related functions for the dasd driver.
  *
- * $Revision: 1.48 $
+ * $Revision: 1.50 $
  */
 
 #include <linux/config.h>
@@ -31,12 +31,16 @@ int
 dasd_gendisk_alloc(struct dasd_device *device)
 {
         struct gendisk *gdp;
-        int len;
+        int len, feature_ro;
 
         /* Make sure the minor for this device exists. */
         if (device->devindex >= DASD_PER_MAJOR)
                 return -EBUSY;
 
+        feature_ro = dasd_get_feature(device->cdev, DASD_FEATURE_READONLY);
+        if (feature_ro < 0)
+                return feature_ro;
+
         gdp = alloc_disk(1 << DASD_PARTN_BITS);
         if (!gdp)
                 return -ENOMEM;
@@ -71,7 +75,7 @@ dasd_gendisk_alloc(struct dasd_device *device)
 
         sprintf(gdp->devfs_name, "dasd/%s", device->cdev->dev.bus_id);
 
-        if (test_bit(DASD_FLAG_RO, &device->flags))
+        if (feature_ro)
                 set_disk_ro(gdp, 1);
         gdp->private_data = device;
         gdp->queue = device->request_queue;
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 4586e0ecc526..a9f38b235981 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -6,7 +6,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
  *
- * $Revision: 1.63 $
+ * $Revision: 1.64 $
  */
 
 #ifndef DASD_INT_H
@@ -329,8 +329,6 @@ struct dasd_device {
 #define DASD_STOPPED_DC_EIO  16        /* disconnected, return -EIO */
 
 /* per device flags */
-#define DASD_FLAG_RO            0       /* device is read-only */
-#define DASD_FLAG_USE_DIAG      1       /* use diag disciplnie */
 #define DASD_FLAG_DSC_ERROR     2       /* return -EIO when disconnected */
 #define DASD_FLAG_OFFLINE       3       /* device is in offline processing */
 
@@ -501,6 +499,9 @@ void dasd_devmap_exit(void);
 struct dasd_device *dasd_create_device(struct ccw_device *);
 void dasd_delete_device(struct dasd_device *);
 
+int dasd_get_feature(struct ccw_device *, int);
+int dasd_set_feature(struct ccw_device *, int, int);
+
 int dasd_add_sysfs_files(struct ccw_device *);
 void dasd_remove_sysfs_files(struct ccw_device *);
 
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index f1892baa3b18..980c555aa538 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -7,6 +7,8 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
  *
+ * $Revision: 1.45 $
+ *
  * i/o controls for the dasd driver.
  */
 #include <linux/config.h>
@@ -294,6 +296,7 @@ dasd_ioctl_format(struct block_device *bdev, int no, long args)
 {
         struct dasd_device *device;
         struct format_data_t fdata;
+        int feature_ro;
 
         if (!capable(CAP_SYS_ADMIN))
                 return -EACCES;
@@ -304,7 +307,11 @@ dasd_ioctl_format(struct block_device *bdev, int no, long args)
 
         if (device == NULL)
                 return -ENODEV;
-        if (test_bit(DASD_FLAG_RO, &device->flags))
+
+        feature_ro = dasd_get_feature(device->cdev, DASD_FEATURE_READONLY);
+        if (feature_ro < 0)
+                return feature_ro;
+        if (feature_ro)
                 return -EROFS;
         if (copy_from_user(&fdata, (void __user *) args,
                            sizeof (struct format_data_t)))
@@ -377,7 +384,7 @@ dasd_ioctl_information(struct block_device *bdev, int no, long args)
         struct dasd_device *device;
         struct dasd_information2_t *dasd_info;
         unsigned long flags;
-        int rc;
+        int rc, feature_ro;
         struct ccw_device *cdev;
 
         device = bdev->bd_disk->private_data;
@@ -387,6 +394,10 @@ dasd_ioctl_information(struct block_device *bdev, int no, long args)
         if (!device->discipline->fill_info)
                 return -EINVAL;
 
+        feature_ro = dasd_get_feature(device->cdev, DASD_FEATURE_READONLY);
+        if (feature_ro < 0)
+                return feature_ro;
+
         dasd_info = kmalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
         if (dasd_info == NULL)
                 return -ENOMEM;
@@ -415,9 +426,8 @@ dasd_ioctl_information(struct block_device *bdev, int no, long args)
         if ((device->state < DASD_STATE_READY) ||
             (dasd_check_blocksize(device->bp_block)))
                 dasd_info->format = DASD_FORMAT_NONE;
-        
-        dasd_info->features |= test_bit(DASD_FLAG_RO, &device->flags) ?
-                DASD_FEATURE_READONLY : DASD_FEATURE_DEFAULT;
+
+        dasd_info->features |= feature_ro;
 
         if (device->discipline)
                 memcpy(dasd_info->type, device->discipline->name, 4);
@@ -460,7 +470,7 @@ static int
 dasd_ioctl_set_ro(struct block_device *bdev, int no, long args)
 {
         struct dasd_device *device;
-        int intval;
+        int intval, rc;
 
         if (!capable(CAP_SYS_ADMIN))
                 return -EACCES;
@@ -472,12 +482,11 @@ dasd_ioctl_set_ro(struct block_device *bdev, int no, long args)
         device =  bdev->bd_disk->private_data;
         if (device == NULL)
                 return -ENODEV;
+
         set_disk_ro(bdev->bd_disk, intval);
-        if (intval)
-                set_bit(DASD_FLAG_RO, &device->flags);
-        else
-                clear_bit(DASD_FLAG_RO, &device->flags);
-        return 0;
+        rc = dasd_set_feature(device->cdev, DASD_FEATURE_READONLY, intval);
+
+        return rc;
 }
 
 /*
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 353d41118c62..d7f19745911f 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -9,7 +9,7 @@
  *
  * /proc interface for the dasd driver.
  *
- * $Revision: 1.30 $
+ * $Revision: 1.31 $
  */
 
 #include <linux/config.h>
@@ -54,6 +54,7 @@ dasd_devices_show(struct seq_file *m, void *v)
 {
         struct dasd_device *device;
         char *substr;
+        int feature;
 
         device = dasd_device_from_devindex((unsigned long) v - 1);
         if (IS_ERR(device))
@@ -77,7 +78,10 @@ dasd_devices_show(struct seq_file *m, void *v)
         else
                 seq_printf(m, " is ????????");
         /* Print devices features. */
-        substr = test_bit(DASD_FLAG_RO, &device->flags) ? "(ro)" : " ";
+        feature = dasd_get_feature(device->cdev, DASD_FEATURE_READONLY);
+        if (feature < 0)
+                return 0;
+        substr = feature ? "(ro)" : " ";
         seq_printf(m, "%4s: ", substr);
         /* Print device status information. */
         switch ((device != NULL) ? device->state : -1) {
diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c
index 3720e77b465f..83e6a060668e 100644
--- a/drivers/s390/cio/airq.c
+++ b/drivers/s390/cio/airq.c
@@ -45,7 +45,7 @@ s390_register_adapter_interrupt (adapter_int_handler_t handler)
         else
                 ret = (cmpxchg(&adapter_handler, NULL, handler) ? -EBUSY : 0);
         if (!ret)
-                synchronize_kernel();
+                synchronize_sched();  /* Allow interrupts to complete. */
 
         sprintf (dbf_txt, "ret:%d", ret);
         CIO_TRACE_EVENT (4, dbf_txt);
@@ -65,7 +65,7 @@ s390_unregister_adapter_interrupt (adapter_int_handler_t handler)
                 ret = -EINVAL;
         else {
                 adapter_handler = NULL;
-                synchronize_kernel();
+                synchronize_sched();  /* Allow interrupts to complete. */
                 ret = 0;
         }
         sprintf (dbf_txt, "ret:%d", ret);
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 99ce5a567982..1d9b3f18d8de 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -1,7 +1,7 @@
 /*
  *  drivers/s390/cio/cio.c
  *   S/390 common I/O routines -- low level i/o calls
- *   $Revision: 1.131 $
+ *   $Revision: 1.133 $
  *
  *    Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
  *                            IBM Corporation
@@ -228,7 +228,7 @@ cio_start_key (struct subchannel *sch,	/* subchannel structure */
 int
 cio_start (struct subchannel *sch, struct ccw1 *cpa, __u8 lpm)
 {
-        return cio_start_key(sch, cpa, lpm, default_storage_key);
+        return cio_start_key(sch, cpa, lpm, PAGE_DEFAULT_KEY);
 }
 
 /*
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 11e260e0b9c9..02d01a0de16c 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -1,7 +1,7 @@
 /*
  *  drivers/s390/cio/device_ops.c
  *
- *   $Revision: 1.55 $
+ *   $Revision: 1.56 $
  *
  *    Copyright (C) 2002 IBM Deutschland Entwicklung GmbH,
  *                       IBM Corporation
@@ -128,7 +128,7 @@ ccw_device_start(struct ccw_device *cdev, struct ccw1 *cpa,
                  unsigned long intparm, __u8 lpm, unsigned long flags)
 {
         return ccw_device_start_key(cdev, cpa, intparm, lpm,
-                                    default_storage_key, flags);
+                                    PAGE_DEFAULT_KEY, flags);
 }
 
 int
@@ -137,7 +137,7 @@ ccw_device_start_timeout(struct ccw_device *cdev, struct ccw1 *cpa,
                          int expires)
 {
         return ccw_device_start_timeout_key(cdev, cpa, intparm, lpm,
-                                            default_storage_key, flags,
+                                            PAGE_DEFAULT_KEY, flags,
                                             expires);
 }
 
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 9ad14db24143..b6daadac4e8b 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -1,7 +1,9 @@
 #ifndef _CIO_QDIO_H
 #define _CIO_QDIO_H
 
-#define VERSION_CIO_QDIO_H "$Revision: 1.26 $"
+#include <asm/page.h>
+
+#define VERSION_CIO_QDIO_H "$Revision: 1.32 $"
 
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_VERBOSE_LEVEL 9
@@ -42,7 +44,7 @@
 
 #define QDIO_Q_LAPS 5
 
-#define QDIO_STORAGE_KEY 0
+#define QDIO_STORAGE_KEY PAGE_DEFAULT_KEY
 
 #define L2_CACHELINE_SIZE 256
 #define INDICATORS_PER_CACHELINE (L2_CACHELINE_SIZE/sizeof(__u32))
diff --git a/drivers/s390/crypto/z90main.c b/drivers/s390/crypto/z90main.c
index a98c00c02559..9ec29bb41b28 100644
--- a/drivers/s390/crypto/z90main.c
+++ b/drivers/s390/crypto/z90main.c
@@ -385,8 +385,8 @@ static int z90crypt_release(struct inode *, struct file *);
 static ssize_t z90crypt_read(struct file *, char __user *, size_t, loff_t *);
 static ssize_t z90crypt_write(struct file *, const char __user *,
                                                         size_t, loff_t *);
-static int z90crypt_ioctl(struct inode *, struct file *,
-                          unsigned int, unsigned long);
+static long z90crypt_unlocked_ioctl(struct file *, unsigned int, unsigned long);
+static long z90crypt_compat_ioctl(struct file *, unsigned int, unsigned long);
 
 static void z90crypt_reader_task(unsigned long);
 static void z90crypt_schedule_reader_task(unsigned long);
@@ -433,12 +433,15 @@ static atomic_t total_open;
 static atomic_t z90crypt_step;
 
 static struct file_operations z90crypt_fops = {
-        .owner   = THIS_MODULE,
-        .read    = z90crypt_read,
-        .write   = z90crypt_write,
-        .ioctl   = z90crypt_ioctl,
-        .open    = z90crypt_open,
-        .release = z90crypt_release
+        .owner          = THIS_MODULE,
+        .read           = z90crypt_read,
+        .write          = z90crypt_write,
+        .unlocked_ioctl = z90crypt_unlocked_ioctl,
+#ifdef CONFIG_COMPAT
+        .compat_ioctl   = z90crypt_compat_ioctl,
+#endif
+        .open           = z90crypt_open,
+        .release        = z90crypt_release
 };
 
 #ifndef Z90CRYPT_USE_HOTPLUG
@@ -474,14 +477,13 @@ struct ica_rsa_modexpo_32 { // For 32-bit callers
         compat_uptr_t   n_modulus;
 };
 
-static int
-trans_modexpo32(unsigned int fd, unsigned int cmd, unsigned long arg,
-                struct file *file)
+static long
+trans_modexpo32(struct file *filp, unsigned int cmd, unsigned long arg)
 {
         struct ica_rsa_modexpo_32 __user *mex32u = compat_ptr(arg);
         struct ica_rsa_modexpo_32  mex32k;
         struct ica_rsa_modexpo __user *mex64;
-        int ret = 0;
+        long ret = 0;
         unsigned int i;
 
         if (!access_ok(VERIFY_WRITE, mex32u, sizeof(struct ica_rsa_modexpo_32)))
@@ -498,7 +500,7 @@ trans_modexpo32(unsigned int fd, unsigned int cmd, unsigned long arg,
             __put_user(compat_ptr(mex32k.b_key), &mex64->b_key)           ||
             __put_user(compat_ptr(mex32k.n_modulus), &mex64->n_modulus))
                 return -EFAULT;
-        ret = sys_ioctl(fd, cmd, (unsigned long)mex64);
+        ret = z90crypt_unlocked_ioctl(filp, cmd, (unsigned long)mex64);
         if (!ret)
                 if (__get_user(i, &mex64->outputdatalength) ||
                     __put_user(i, &mex32u->outputdatalength))
@@ -518,14 +520,13 @@ struct ica_rsa_modexpo_crt_32 { // For 32-bit callers
         compat_uptr_t   u_mult_inv;
 };
 
-static int
-trans_modexpo_crt32(unsigned int fd, unsigned int cmd, unsigned long arg,
-                    struct file *file)
+static long
+trans_modexpo_crt32(struct file *filp, unsigned int cmd, unsigned long arg)
 {
         struct ica_rsa_modexpo_crt_32 __user *crt32u = compat_ptr(arg);
         struct ica_rsa_modexpo_crt_32  crt32k;
         struct ica_rsa_modexpo_crt __user *crt64;
-        int ret = 0;
+        long ret = 0;
         unsigned int i;
 
         if (!access_ok(VERIFY_WRITE, crt32u,
@@ -546,9 +547,8 @@ trans_modexpo_crt32(unsigned int fd, unsigned int cmd, unsigned long arg,
             __put_user(compat_ptr(crt32k.np_prime), &crt64->np_prime)     ||
             __put_user(compat_ptr(crt32k.nq_prime), &crt64->nq_prime)     ||
             __put_user(compat_ptr(crt32k.u_mult_inv), &crt64->u_mult_inv))
-                ret = -EFAULT;
-        if (!ret)
-                ret = sys_ioctl(fd, cmd, (unsigned long)crt64);
+                return -EFAULT;
+        ret = z90crypt_unlocked_ioctl(filp, cmd, (unsigned long)crt64);
         if (!ret)
                 if (__get_user(i, &crt64->outputdatalength) ||
                     __put_user(i, &crt32u->outputdatalength))
@@ -556,66 +556,34 @@ trans_modexpo_crt32(unsigned int fd, unsigned int cmd, unsigned long arg,
         return ret;
 }
 
-static int compatible_ioctls[] = {
-        ICAZ90STATUS, Z90QUIESCE, Z90STAT_TOTALCOUNT, Z90STAT_PCICACOUNT,
-        Z90STAT_PCICCCOUNT, Z90STAT_PCIXCCCOUNT, Z90STAT_PCIXCCMCL2COUNT,
-        Z90STAT_PCIXCCMCL3COUNT, Z90STAT_CEX2CCOUNT, Z90STAT_REQUESTQ_COUNT,
-        Z90STAT_PENDINGQ_COUNT, Z90STAT_TOTALOPEN_COUNT, Z90STAT_DOMAIN_INDEX,
-        Z90STAT_STATUS_MASK, Z90STAT_QDEPTH_MASK, Z90STAT_PERDEV_REQCNT,
-};
-
-static void z90_unregister_ioctl32s(void)
-{
-        int i;
-
-        unregister_ioctl32_conversion(ICARSAMODEXPO);
-        unregister_ioctl32_conversion(ICARSACRT);
-
-        for(i = 0; i < ARRAY_SIZE(compatible_ioctls); i++)
-                unregister_ioctl32_conversion(compatible_ioctls[i]);
-}
-
-static int z90_register_ioctl32s(void)
-{
-        int result, i;
-
-        result = register_ioctl32_conversion(ICARSAMODEXPO, trans_modexpo32);
-        if (result == -EBUSY) {
-                unregister_ioctl32_conversion(ICARSAMODEXPO);
-                result = register_ioctl32_conversion(ICARSAMODEXPO,
-                                                     trans_modexpo32);
-        }
-        if (result)
-                return result;
-        result = register_ioctl32_conversion(ICARSACRT, trans_modexpo_crt32);
-        if (result == -EBUSY) {
-                unregister_ioctl32_conversion(ICARSACRT);
-                result = register_ioctl32_conversion(ICARSACRT,
-                                                     trans_modexpo_crt32);
-        }
-        if (result)
-                return result;
-
-        for(i = 0; i < ARRAY_SIZE(compatible_ioctls); i++) {
-                result = register_ioctl32_conversion(compatible_ioctls[i], 0);
-                if (result == -EBUSY) {
-                        unregister_ioctl32_conversion(compatible_ioctls[i]);
-                        result = register_ioctl32_conversion(
-                                                       compatible_ioctls[i], 0);
-                }
-                if (result)
-                        return result;
-        }
-        return 0;
-}
-#else // !CONFIG_COMPAT
-static inline void z90_unregister_ioctl32s(void)
-{
-}
-
-static inline int z90_register_ioctl32s(void)
+static long
+z90crypt_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-        return 0;
+        switch (cmd) {
+        case ICAZ90STATUS:
+        case Z90QUIESCE:
+        case Z90STAT_TOTALCOUNT:
+        case Z90STAT_PCICACOUNT:
+        case Z90STAT_PCICCCOUNT:
+        case Z90STAT_PCIXCCCOUNT:
+        case Z90STAT_PCIXCCMCL2COUNT:
+        case Z90STAT_PCIXCCMCL3COUNT:
+        case Z90STAT_CEX2CCOUNT:
+        case Z90STAT_REQUESTQ_COUNT:
+        case Z90STAT_PENDINGQ_COUNT:
+        case Z90STAT_TOTALOPEN_COUNT:
+        case Z90STAT_DOMAIN_INDEX:
+        case Z90STAT_STATUS_MASK:
+        case Z90STAT_QDEPTH_MASK:
+        case Z90STAT_PERDEV_REQCNT:
+                return z90crypt_unlocked_ioctl(filp, cmd, arg);
+        case ICARSAMODEXPO:
+                return trans_modexpo32(filp, cmd, arg);
+        case ICARSACRT:
+                return trans_modexpo_crt32(filp, cmd, arg);
+        default:
+                return -ENOIOCTLCMD;
+        }
 }
 #endif
 
@@ -730,14 +698,9 @@ z90crypt_init_module(void)
         reader_timer.expires = jiffies + (READERTIME * HZ / 1000);
         add_timer(&reader_timer);
 
-        if ((result = z90_register_ioctl32s()))
-                goto init_module_cleanup;
-
         return 0; // success
 
 init_module_cleanup:
-        z90_unregister_ioctl32s();
-
 #ifndef Z90CRYPT_USE_HOTPLUG
         if ((nresult = misc_deregister(&z90crypt_misc_device)))
                 PRINTK("misc_deregister failed with %d.\n", nresult);
@@ -763,8 +726,6 @@ z90crypt_cleanup_module(void)
 
         PDEBUG("PID %d\n", PID());
 
-        z90_unregister_ioctl32s();
-
         remove_proc_entry("driver/z90crypt", 0);
 
 #ifndef Z90CRYPT_USE_HOTPLUG
@@ -800,7 +761,7 @@ z90crypt_cleanup_module(void)
  *     z90crypt_release
  *     z90crypt_read
  *     z90crypt_write
- *     z90crypt_ioctl
+ *     z90crypt_unlocked_ioctl
  *     z90crypt_status
  *     z90crypt_status_write
  *       disable_card
@@ -1804,9 +1765,8 @@ z90crypt_rsa(struct priv_data *private_data_p, pid_t pid,
  * This function is a little long, but it's really just one large switch
  * statement.
  */
-static int
-z90crypt_ioctl(struct inode *inode, struct file *filp,
-               unsigned int cmd, unsigned long arg)
+static long
+z90crypt_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
         struct priv_data *private_data_p = filp->private_data;
         unsigned char *status;
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index a3d285859564..1e3f7f3c662f 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -32,7 +32,7 @@ struct smsg_callback {
         struct list_head list;
         char *prefix;
         int len;
-        void (*callback)(char *str);
+        void (*callback)(char *from, char *str);
 };
 
 MODULE_AUTHOR
@@ -55,8 +55,9 @@ smsg_message_pending(iucv_MessagePending *eib, void *pgm_data)
 {
         struct smsg_callback *cb;
         unsigned char *msg;
+        unsigned char sender[9];
         unsigned short len;
-        int rc;
+        int rc, i;
 
         len = eib->ln1msg2.ipbfln1f;
         msg = kmalloc(len + 1, GFP_ATOMIC|GFP_DMA);
@@ -69,10 +70,18 @@ smsg_message_pending(iucv_MessagePending *eib, void *pgm_data)
         if (rc == 0) {
                 msg[len] = 0;
                 EBCASC(msg, len);
+                memcpy(sender, msg, 8);
+                sender[8] = 0;
+                /* Remove trailing whitespace from the sender name. */
+                for (i = 7; i >= 0; i--) {
+                        if (sender[i] != ' ' && sender[i] != '\t')
+                                break;
+                        sender[i] = 0;
+                }
                 spin_lock(&smsg_list_lock);
                 list_for_each_entry(cb, &smsg_list, list)
                         if (strncmp(msg + 8, cb->prefix, cb->len) == 0) {
-                                cb->callback(msg + 8);
+                                cb->callback(sender, msg + 8);
                                 break;
                         }
                 spin_unlock(&smsg_list_lock);
@@ -91,7 +100,7 @@ static struct device_driver smsg_driver = {
 };
 
 int
-smsg_register_callback(char *prefix, void (*callback)(char *str))
+smsg_register_callback(char *prefix, void (*callback)(char *from, char *str))
 {
         struct smsg_callback *cb;
 
@@ -108,7 +117,7 @@ smsg_register_callback(char *prefix, void (*callback)(char *str))
 }
 
 void
-smsg_unregister_callback(char *prefix, void (*callback)(char *str))
+smsg_unregister_callback(char *prefix, void (*callback)(char *from, char *str))
 {
         struct smsg_callback *cb, *tmp;
 
diff --git a/drivers/s390/net/smsgiucv.h b/drivers/s390/net/smsgiucv.h
index 04cd87152964..67f5d4f8378d 100644
--- a/drivers/s390/net/smsgiucv.h
+++ b/drivers/s390/net/smsgiucv.h
@@ -5,6 +5,6 @@
  * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
  */
 
-int  smsg_register_callback(char *, void (*)(char *));
-void smsg_unregister_callback(char *, void (*)(char *));
+int  smsg_register_callback(char *, void (*)(char *, char *));
+void smsg_unregister_callback(char *, void (*)(char *, char *));