patch-2.3.27 linux/drivers/scsi/sd_ioctl.c

• Lines: 120
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.26/linux/drivers/scsi/sd_ioctl.c
• Orig date: Sat May 15 23:43:04 1999

diff -u --recursive --new-file v2.3.26/linux/drivers/scsi/sd_ioctl.c linux/drivers/scsi/sd_ioctl.c
@@ -1,119 +0,0 @@
-/*
- * drivers/scsi/sd_ioctl.c
- *
- * ioctl handling for SCSI disks
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/hdreg.h>
-#include <linux/errno.h>
-
-#include <asm/uaccess.h>
-
-#define MAJOR_NR	SCSI_DISK0_MAJOR
-#include <linux/blk.h>
-#include <linux/blkpg.h>
-#include "scsi.h"
-#include <scsi/scsi_ioctl.h>
-#include "hosts.h"
-#include "sd.h"
-#include <scsi/scsicam.h>     /* must follow "hosts.h" */
-
-int sd_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
-{
-    kdev_t dev = inode->i_rdev;
-    int error;
-    struct Scsi_Host * host;
-    Scsi_Device * SDev;
-    int diskinfo[4];
-    struct hd_geometry *loc = (struct hd_geometry *) arg;
-    
-    SDev = rscsi_disks[DEVICE_NR(dev)].device;
-    /*
-     * If we are in the middle of error recovery, don't let anyone
-     * else try and use this device.  Also, if error recovery fails, it
-     * may try and take the device offline, in which case all further
-     * access to the device is prohibited.
-     */
-    if( !scsi_block_when_processing_errors(SDev) )
-      {
-        return -ENODEV;
-      }
-
-    switch (cmd) {
-    case HDIO_GETGEO:   /* Return BIOS disk parameters */
-	if (!loc)  return -EINVAL;
-	error = verify_area(VERIFY_WRITE, loc, sizeof(*loc));
-	if (error)
-	    return error;
-	host = rscsi_disks[DEVICE_NR(dev)].device->host;
-
-/* default to most commonly used values */
-
-        diskinfo[0] = 0x40;
-        diskinfo[1] = 0x20;
-        diskinfo[2] = rscsi_disks[DEVICE_NR(dev)].capacity >> 11;
-
-/* override with calculated, extended default, or driver values */
-
-	if(host->hostt->bios_param != NULL)
-	    host->hostt->bios_param(&rscsi_disks[DEVICE_NR(dev)],
-				    dev,
-				    &diskinfo[0]);
-        else scsicam_bios_param(&rscsi_disks[DEVICE_NR(dev)],
-				dev, &diskinfo[0]);
-
-	put_user(diskinfo[0], &loc->heads);
-	put_user(diskinfo[1], &loc->sectors);
-	put_user(diskinfo[2], &loc->cylinders);
-	put_user(sd[SD_PARTITION(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[SD_PARTITION(inode->i_rdev)].nr_sects,
-		 (long *) arg);
-	return 0;
-
-    case BLKROSET:
-    case BLKROGET:
-    case BLKRASET:
-    case BLKRAGET:
-    case BLKFLSBUF:
-    case BLKSSZGET:
-    case BLKPG:
-	return blk_ioctl(inode->i_rdev, cmd, arg);
-
-    case BLKRRPART: /* Re-read partition tables */
-        if (!capable(CAP_SYS_ADMIN))
-                return -EACCES;
-	return revalidate_scsidisk(dev, 1);
-
-    default:
-	return scsi_ioctl(rscsi_disks[DEVICE_NR(dev)].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
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-indent-level: 4
- * c-brace-imaginary-offset: 0
- * 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:
- */