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