patch-1.3.5 linux/drivers/scsi/sd_ioctl.c

• Lines: 131
• Date: Thu Jun 29 12:37:45 1995
• Orig file: v1.3.4/linux/drivers/scsi/sd_ioctl.c
• Orig date: Tue Jun 27 14:11:38 1995

diff -u --recursive --new-file v1.3.4/linux/drivers/scsi/sd_ioctl.c linux/drivers/scsi/sd_ioctl.c
@@ -17,58 +17,59 @@
 
 int sd_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
 {
-	int dev = inode->i_rdev;
-	int error;
-	struct Scsi_Host * host;
-	int diskinfo[4];
-	struct hd_geometry *loc = (struct hd_geometry *) arg;
-
-	switch (cmd) {
-         	case HDIO_REQ:   /* Return BIOS disk parameters */
-			if (!loc)  return -EINVAL;
-			error = verify_area(VERIFY_WRITE, loc, sizeof(*loc));
-			if (error)
-				return error;
-			host = rscsi_disks[MINOR(dev) >> 4].device->host;
-			diskinfo[0] = 0;
-			diskinfo[1] = 0;
-			diskinfo[2] = 0;
-			if(host->hostt->bios_param != NULL)
-			      host->hostt->bios_param(&rscsi_disks[MINOR(dev) >> 4],
-							  dev,
-							  &diskinfo[0]);
-			put_user(diskinfo[0], &loc->heads);
-			put_user(diskinfo[1], &loc->sectors);
-			put_user(diskinfo[2], &loc->cylinders);
-			put_user(sd[MINOR(inode->i_rdev)].start_sect, &loc->start);
-			return 0;
-         	case BLKGETSIZE:   /* Return device size */
-			if (!arg)  return -EINVAL;
-			error = verify_area(VERIFY_WRITE, (long *) arg, sizeof(long));
-			if (error)
-				return error;
-			put_user(sd[MINOR(inode->i_rdev)].nr_sects,
-				 (long *) arg);
-			return 0;
-		case BLKRASET:
-			if(!suser())  return -EACCES;
-			if(!inode->i_rdev) return -EINVAL;
-			if(arg > 0xff) return -EINVAL;
-			read_ahead[MAJOR(inode->i_rdev)] = arg;
-			return 0;
-		case BLKFLSBUF:
-			if(!suser())  return -EACCES;
-			if(!inode->i_rdev) return -EINVAL;
- 			fsync_dev(inode->i_rdev);
-			invalidate_buffers(inode->i_rdev);
-			return 0;
-
-		case BLKRRPART: /* Re-read partition tables */
-			return revalidate_scsidisk(dev, 1);
-		default:
-			return scsi_ioctl(rscsi_disks[MINOR(dev) >> 4].device , cmd, (void *) arg);
-	}
+    int dev = inode->i_rdev;
+    int error;
+    struct Scsi_Host * host;
+    int diskinfo[4];
+    struct hd_geometry *loc = (struct hd_geometry *) arg;
+    
+    switch (cmd) {
+    case HDIO_REQ:   /* Return BIOS disk parameters */
+	if (!loc)  return -EINVAL;
+	error = verify_area(VERIFY_WRITE, loc, sizeof(*loc));
+	if (error)
+	    return error;
+	host = rscsi_disks[MINOR(dev) >> 4].device->host;
+	diskinfo[0] = 0;
+	diskinfo[1] = 0;
+	diskinfo[2] = 0;
+	if(host->hostt->bios_param != NULL)
+	    host->hostt->bios_param(&rscsi_disks[MINOR(dev) >> 4],
+				    dev,
+				    &diskinfo[0]);
+	put_user(diskinfo[0], &loc->heads);
+	put_user(diskinfo[1], &loc->sectors);
+	put_user(diskinfo[2], &loc->cylinders);
+	put_user(sd[MINOR(inode->i_rdev)].start_sect, &loc->start);
+	return 0;
+    case BLKGETSIZE:   /* Return device size */
+	if (!arg)  return -EINVAL;
+	error = verify_area(VERIFY_WRITE, (long *) arg, sizeof(long));
+	if (error)
+	    return error;
+	put_user(sd[MINOR(inode->i_rdev)].nr_sects,
+		 (long *) arg);
+	return 0;
+    case BLKRASET:
+	if(!suser())  return -EACCES;
+	if(!inode->i_rdev) return -EINVAL;
+	if(arg > 0xff) return -EINVAL;
+	read_ahead[MAJOR(inode->i_rdev)] = arg;
+	return 0;
+    case BLKFLSBUF:
+	if(!suser())  return -EACCES;
+	if(!inode->i_rdev) return -EINVAL;
+	fsync_dev(inode->i_rdev);
+	invalidate_buffers(inode->i_rdev);
+	return 0;
+	
+    case BLKRRPART: /* Re-read partition tables */
+	return revalidate_scsidisk(dev, 1);
+    default:
+	return scsi_ioctl(rscsi_disks[MINOR(dev) >> 4].device , cmd, (void *) arg);
+    }
 }
+
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * Emacs will notice this stuff at the end of the file and automatically
@@ -76,12 +77,14 @@
  * of the file.
  * ---------------------------------------------------------------------------
  * Local variables:
- * c-indent-level: 8
+ * c-indent-level: 4
  * c-brace-imaginary-offset: 0
- * c-brace-offset: -8
- * c-argdecl-indent: 8
- * c-label-offset: -8
- * c-continued-statement-offset: 8
+ * c-brace-offset: -4
+ * c-argdecl-indent: 4
+ * c-label-offset: -4
+ * c-continued-statement-offset: 4
  * c-continued-brace-offset: 0
+ * indent-tabs-mode: nil
+ * tab-width: 8
  * End:
  */