1 files changed, 31 insertions, 15 deletions

diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index b82d816d9ef7..4ce3f72ee1c1 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -9,6 +9,9 @@
  *
  * i/o controls for the dasd driver.
  */
+
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/interrupt.h>
 #include <linux/major.h>
 #include <linux/fs.h>
@@ -94,7 +97,8 @@ static int dasd_ioctl_quiesce(struct dasd_block *block)
         if (!capable (CAP_SYS_ADMIN))
                 return -EACCES;
 
-        DEV_MESSAGE(KERN_DEBUG, base, "%s", "Quiesce IO on device");
+        dev_info(&base->cdev->dev, "The DASD has been put in the quiesce "
+                 "state\n");
         spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
         base->stopped |= DASD_STOPPED_QUIESCE;
         spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
@@ -103,7 +107,7 @@ static int dasd_ioctl_quiesce(struct dasd_block *block)
 
 
 /*
- * Quiesce device.
+ * Resume device.
  */
 static int dasd_ioctl_resume(struct dasd_block *block)
 {
@@ -114,7 +118,8 @@ static int dasd_ioctl_resume(struct dasd_block *block)
         if (!capable (CAP_SYS_ADMIN))
                 return -EACCES;
 
-        DEV_MESSAGE(KERN_DEBUG, base, "%s", "resume IO on device");
+        dev_info(&base->cdev->dev, "I/O operations have been resumed "
+                 "on the DASD\n");
         spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
         base->stopped &= ~DASD_STOPPED_QUIESCE;
         spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
@@ -140,13 +145,13 @@ static int dasd_format(struct dasd_block *block, struct format_data_t *fdata)
                 return -EPERM;
 
         if (base->state != DASD_STATE_BASIC) {
-                DEV_MESSAGE(KERN_WARNING, base, "%s",
-                            "dasd_format: device is not disabled! ");
+                dev_warn(&base->cdev->dev,
+                         "The DASD cannot be formatted while it is enabled\n");
                 return -EBUSY;
         }
 
         DBF_DEV_EVENT(DBF_NOTICE, base,
-                      "formatting units %d to %d (%d B blocks) flags %d",
+                      "formatting units %u to %u (%u B blocks) flags %u",
                       fdata->start_unit,
                       fdata->stop_unit, fdata->blksize, fdata->intensity);
 
@@ -169,10 +174,9 @@ static int dasd_format(struct dasd_block *block, struct format_data_t *fdata)
                 dasd_sfree_request(cqr, cqr->memdev);
                 if (rc) {
                         if (rc != -ERESTARTSYS)
-                                DEV_MESSAGE(KERN_ERR, base,
-                                            " Formatting of unit %d failed "
-                                            "with rc = %d",
-                                            fdata->start_unit, rc);
+                                dev_err(&base->cdev->dev,
+                                        "Formatting unit %d failed with "
+                                        "rc=%d\n", fdata->start_unit, rc);
                         return rc;
                 }
                 fdata->start_unit++;
@@ -199,8 +203,9 @@ dasd_ioctl_format(struct block_device *bdev, void __user *argp)
         if (copy_from_user(&fdata, argp, sizeof(struct format_data_t)))
                 return -EFAULT;
         if (bdev != bdev->bd_contains) {
-                DEV_MESSAGE(KERN_WARNING, block->base, "%s",
-                            "Cannot low-level format a partition");
+                dev_warn(&block->base->cdev->dev,
+                         "The specified DASD is a partition and cannot be "
+                         "formatted\n");
                 return -EINVAL;
         }
         return dasd_format(block, &fdata);
@@ -365,9 +370,9 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
         return ret;
 }
 
-int
-dasd_ioctl(struct block_device *bdev, fmode_t mode,
-           unsigned int cmd, unsigned long arg)
+static int
+dasd_do_ioctl(struct block_device *bdev, fmode_t mode,
+              unsigned int cmd, unsigned long arg)
 {
         struct dasd_block *block = bdev->bd_disk->private_data;
         void __user *argp = (void __user *)arg;
@@ -420,3 +425,14 @@ dasd_ioctl(struct block_device *bdev, fmode_t mode,
                 return -EINVAL;
         }
 }
+
+int dasd_ioctl(struct block_device *bdev, fmode_t mode,
+               unsigned int cmd, unsigned long arg)
+{
+        int rc;
+
+        lock_kernel();
+        rc = dasd_do_ioctl(bdev, mode, cmd, arg);
+        unlock_kernel();
+        return rc;
+}