Merge commit 'v2.6.28-rc2' into x86/uv

24 files changed, 280 insertions, 292 deletions

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index a002a381df9..f6a337c34ac 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -72,9 +72,9 @@ static long disk_size(DAC960_Controller_T *p, int drive_nr)
 	}
 }
 
-static int DAC960_open(struct inode *inode, struct file *file)
+static int DAC960_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	DAC960_Controller_T *p = disk->queue->queuedata;
 	int drive_nr = (long)disk->private_data;
 
@@ -89,7 +89,7 @@ static int DAC960_open(struct inode *inode, struct file *file)
 			return -ENXIO;
 	}
 
-	check_disk_change(inode->i_bdev);
+	check_disk_change(bdev);
 
 	if (!get_capacity(p->disks[drive_nr]))
 		return -ENXIO;
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 7516baff3bb..4b1d4ac960f 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1437,10 +1437,11 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int fd_ioctl(struct inode *inode, struct file *filp,
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long param)
 {
-	int drive = iminor(inode) & 3;
+	struct amiga_floppy_struct *p = bdev->bd_disk->private_data;
+	int drive = p - unit;
 	static struct floppy_struct getprm;
 	void __user *argp = (void __user *)param;
 
@@ -1451,7 +1452,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 			rel_fdc();
 			return -EBUSY;
 		}
-		fsync_bdev(inode->i_bdev);
+		fsync_bdev(bdev);
 		if (fd_motor_on(drive) == 0) {
 			rel_fdc();
 			return -ENODEV;
@@ -1464,12 +1465,12 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		rel_fdc();
 		break;
 	case FDFMTTRK:
-		if (param < unit[drive].type->tracks * unit[drive].type->heads)
+		if (param < p->type->tracks * p->type->heads)
 		{
 			get_fdc(drive);
 			if (fd_seek(drive,param) != 0){
-				memset(unit[drive].trackbuf, FD_FILL_BYTE,
-				       unit[drive].dtype->sects * unit[drive].type->sect_mult * 512);
+				memset(p->trackbuf, FD_FILL_BYTE,
+				       p->dtype->sects * p->type->sect_mult * 512);
 				non_int_flush_track(drive);
 			}
 			floppy_off(drive);
@@ -1480,14 +1481,14 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		break;
 	case FDFMTEND:
 		floppy_off(drive);
-		invalidate_bdev(inode->i_bdev);
+		invalidate_bdev(bdev);
 		break;
 	case FDGETPRM:
 		memset((void *)&getprm, 0, sizeof (getprm));
-		getprm.track=unit[drive].type->tracks;
-		getprm.head=unit[drive].type->heads;
-		getprm.sect=unit[drive].dtype->sects * unit[drive].type->sect_mult;
-		getprm.size=unit[drive].blocks;
+		getprm.track=p->type->tracks;
+		getprm.head=p->type->heads;
+		getprm.sect=p->dtype->sects * p->type->sect_mult;
+		getprm.size=p->blocks;
 		if (copy_to_user(argp, &getprm, sizeof(struct floppy_struct)))
 			return -EFAULT;
 		break;
@@ -1500,10 +1501,10 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		break;
 #ifdef RAW_IOCTL
 	case IOCTL_RAW_TRACK:
-		if (copy_to_user(argp, raw_buf, unit[drive].type->read_size))
+		if (copy_to_user(argp, raw_buf, p->type->read_size))
 			return -EFAULT;
 		else
-			return unit[drive].type->read_size;
+			return p->type->read_size;
 #endif
 	default:
 		printk(KERN_DEBUG "fd_ioctl: unknown cmd %d for drive %d.",
@@ -1548,10 +1549,10 @@ static void fd_probe(int dev)
  * /dev/PS0 etc), and disallows simultaneous access to the same
  * drive with different device numbers.
  */
-static int floppy_open(struct inode *inode, struct file *filp)
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	int drive = iminor(inode) & 3;
-	int system =  (iminor(inode) & 4) >> 2;
+	int drive = MINOR(bdev->bd_dev) & 3;
+	int system =  (MINOR(bdev->bd_dev) & 4) >> 2;
 	int old_dev;
 	unsigned long flags;
 
@@ -1560,9 +1561,9 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	if (fd_ref[drive] && old_dev != system)
 		return -EBUSY;
 
-	if (filp && filp->f_mode & 3) {
-		check_disk_change(inode->i_bdev);
-		if (filp->f_mode & 2 ) {
+	if (mode & (FMODE_READ|FMODE_WRITE)) {
+		check_disk_change(bdev);
+		if (mode & FMODE_WRITE) {
 			int wrprot;
 
 			get_fdc(drive);
@@ -1592,9 +1593,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-static int floppy_release(struct inode * inode, struct file * filp)
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	int drive = iminor(inode) & 3;
+	struct amiga_floppy_struct *p = disk->private_data;
+	int drive = p - unit;
 
 	if (unit[drive].dirty == 1) {
 		del_timer (flush_track_timer + drive);
@@ -1650,7 +1652,7 @@ static struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
 	.open		= floppy_open,
 	.release	= floppy_release,
-	.ioctl		= fd_ioctl,
+	.locked_ioctl	= fd_ioctl,
 	.getgeo		= fd_getgeo,
 	.media_changed	= amiga_floppy_change,
 };
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index d876ad86123..1747dd272cd 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -118,13 +118,11 @@ aoedisk_rm_sysfs(struct aoedev *d)
 }
 
 static int
-aoeblk_open(struct inode *inode, struct file *filp)
+aoeblk_open(struct block_device *bdev, fmode_t mode)
 {
-	struct aoedev *d;
+	struct aoedev *d = bdev->bd_disk->private_data;
 	ulong flags;
 
-	d = inode->i_bdev->bd_disk->private_data;
-
 	spin_lock_irqsave(&d->lock, flags);
 	if (d->flags & DEVFL_UP) {
 		d->nopen++;
@@ -136,13 +134,11 @@ aoeblk_open(struct inode *inode, struct file *filp)
 }
 
 static int
-aoeblk_release(struct inode *inode, struct file *filp)
+aoeblk_release(struct gendisk *disk, fmode_t mode)
 {
-	struct aoedev *d;
+	struct aoedev *d = disk->private_data;
 	ulong flags;
 
-	d = inode->i_bdev->bd_disk->private_data;
-
 	spin_lock_irqsave(&d->lock, flags);
 
 	if (--d->nopen == 0) {
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 432cf401829..69e1df7dfa1 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -361,13 +361,13 @@ static void finish_fdc( void );
 static void finish_fdc_done( int dummy );
 static void setup_req_params( int drive );
 static void redo_fd_request( void);
-static int fd_ioctl( struct inode *inode, struct file *filp, unsigned int
+static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
                      cmd, unsigned long param);
 static void fd_probe( int drive );
 static int fd_test_drive_present( int drive );
 static void config_types( void );
-static int floppy_open( struct inode *inode, struct file *filp );
-static int floppy_release( struct inode * inode, struct file * filp );
+static int floppy_open(struct block_device *bdev, fmode_t mode);
+static int floppy_release(struct gendisk *disk, fmode_t mode);
 
 /************************* End of Prototypes **************************/
 
@@ -1483,10 +1483,10 @@ void do_fd_request(struct request_queue * q)
 	atari_enable_irq( IRQ_MFP_FDC );
 }
 
-static int fd_ioctl(struct inode *inode, struct file *filp,
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long param)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct atari_floppy_struct *floppy = disk->private_data;
 	int drive = floppy - unit;
 	int type = floppy->type;
@@ -1661,7 +1661,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		/* invalidate the buffer track to force a reread */
 		BufferDrive = -1;
 		set_bit(drive, &fake_change);
-		check_disk_change(inode->i_bdev);
+		check_disk_change(bdev);
 		return 0;
 	default:
 		return -EINVAL;
@@ -1804,37 +1804,36 @@ static void __init config_types( void )
  * drive with different device numbers.
  */
 
-static int floppy_open( struct inode *inode, struct file *filp )
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	struct atari_floppy_struct *p = inode->i_bdev->bd_disk->private_data;
-	int type  = iminor(inode) >> 2;
+	struct atari_floppy_struct *p = bdev->bd_disk->private_data;
+	int type  = MINOR(bdev->bd_dev) >> 2;
 
 	DPRINT(("fd_open: type=%d\n",type));
 	if (p->ref && p->type != type)
 		return -EBUSY;
 
-	if (p->ref == -1 || (p->ref && filp->f_flags & O_EXCL))
+	if (p->ref == -1 || (p->ref && mode & FMODE_EXCL))
 		return -EBUSY;
 
-	if (filp->f_flags & O_EXCL)
+	if (mode & FMODE_EXCL)
 		p->ref = -1;
 	else
 		p->ref++;
 
 	p->type = type;
 
-	if (filp->f_flags & O_NDELAY)
+	if (mode & FMODE_NDELAY)
 		return 0;
 
-	if (filp->f_mode & 3) {
-		check_disk_change(inode->i_bdev);
-		if (filp->f_mode & 2) {
+	if (mode & (FMODE_READ|FMODE_WRITE)) {
+		check_disk_change(bdev);
+		if (mode & FMODE_WRITE) {
 			if (p->wpstat) {
 				if (p->ref < 0)
 					p->ref = 0;
 				else
 					p->ref--;
-				floppy_release(inode, filp);
 				return -EROFS;
 			}
 		}
@@ -1843,9 +1842,9 @@ static int floppy_open( struct inode *inode, struct file *filp )
 }
 
 
-static int floppy_release( struct inode * inode, struct file * filp )
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	struct atari_floppy_struct *p = inode->i_bdev->bd_disk->private_data;
+	struct atari_floppy_struct *p = disk->private_data;
 	if (p->ref < 0)
 		p->ref = 0;
 	else if (!p->ref--) {
@@ -1859,7 +1858,7 @@ static struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
 	.open		= floppy_open,
 	.release	= floppy_release,
-	.ioctl		= fd_ioctl,
+	.locked_ioctl	= fd_ioctl,
 	.media_changed	= check_floppy_change,
 	.revalidate_disk= floppy_revalidate,
 };
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index d070d492e38..bdd4f5f4557 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -340,11 +340,10 @@ static int brd_direct_access (struct block_device *bdev, sector_t sector,
 }
 #endif
 
-static int brd_ioctl(struct inode *inode, struct file *file,
+static int brd_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
 	int error;
-	struct block_device *bdev = inode->i_bdev;
 	struct brd_device *brd = bdev->bd_disk->private_data;
 
 	if (cmd != BLKFLSBUF)
@@ -376,7 +375,7 @@ static int brd_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations brd_fops = {
 	.owner =		THIS_MODULE,
-	.ioctl =		brd_ioctl,
+	.locked_ioctl =		brd_ioctl,
 #ifdef CONFIG_BLK_DEV_XIP
 	.direct_access =	brd_direct_access,
 #endif
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 1e1f9153000..4023885353e 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -152,9 +152,9 @@ static ctlr_info_t *hba[MAX_CTLR];
 
 static void do_cciss_request(struct request_queue *q);
 static irqreturn_t do_cciss_intr(int irq, void *dev_id);
-static int cciss_open(struct inode *inode, struct file *filep);
-static int cciss_release(struct inode *inode, struct file *filep);
-static int cciss_ioctl(struct inode *inode, struct file *filep,
+static int cciss_open(struct block_device *bdev, fmode_t mode);
+static int cciss_release(struct gendisk *disk, fmode_t mode);
+static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
 		       unsigned int cmd, unsigned long arg);
 static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
@@ -192,14 +192,15 @@ static void cciss_procinit(int i)
 #endif				/* CONFIG_PROC_FS */
 
 #ifdef CONFIG_COMPAT
-static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg);
+static int cciss_compat_ioctl(struct block_device *, fmode_t,
+			      unsigned, unsigned long);
 #endif
 
 static struct block_device_operations cciss_fops = {
 	.owner = THIS_MODULE,
 	.open = cciss_open,
 	.release = cciss_release,
-	.ioctl = cciss_ioctl,
+	.locked_ioctl = cciss_ioctl,
 	.getgeo = cciss_getgeo,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = cciss_compat_ioctl,
@@ -547,13 +548,13 @@ static inline drive_info_struct *get_drv(struct gendisk *disk)
 /*
  * Open.  Make sure the device is really there.
  */
-static int cciss_open(struct inode *inode, struct file *filep)
+static int cciss_open(struct block_device *bdev, fmode_t mode)
 {
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
-	drive_info_struct *drv = get_drv(inode->i_bdev->bd_disk);
+	ctlr_info_t *host = get_host(bdev->bd_disk);
+	drive_info_struct *drv = get_drv(bdev->bd_disk);
 
 #ifdef CCISS_DEBUG
-	printk(KERN_DEBUG "cciss_open %s\n", inode->i_bdev->bd_disk->disk_name);
+	printk(KERN_DEBUG "cciss_open %s\n", bdev->bd_disk->disk_name);
 #endif				/* CCISS_DEBUG */
 
 	if (host->busy_initializing || drv->busy_configuring)
@@ -567,9 +568,9 @@ static int cciss_open(struct inode *inode, struct file *filep)
 	 * for "raw controller".
 	 */
 	if (drv->heads == 0) {
-		if (iminor(inode) != 0) {	/* not node 0? */
+		if (MINOR(bdev->bd_dev) != 0) {	/* not node 0? */
 			/* if not node 0 make sure it is a partition = 0 */
-			if (iminor(inode) & 0x0f) {
+			if (MINOR(bdev->bd_dev) & 0x0f) {
 				return -ENXIO;
 				/* if it is, make sure we have a LUN ID */
 			} else if (drv->LunID == 0) {
@@ -587,14 +588,13 @@ static int cciss_open(struct inode *inode, struct file *filep)
 /*
  * Close.  Sync first.
  */
-static int cciss_release(struct inode *inode, struct file *filep)
+static int cciss_release(struct gendisk *disk, fmode_t mode)
 {
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
-	drive_info_struct *drv = get_drv(inode->i_bdev->bd_disk);
+	ctlr_info_t *host = get_host(disk);
+	drive_info_struct *drv = get_drv(disk);
 
 #ifdef CCISS_DEBUG
-	printk(KERN_DEBUG "cciss_release %s\n",
-	       inode->i_bdev->bd_disk->disk_name);
+	printk(KERN_DEBUG "cciss_release %s\n", disk->disk_name);
 #endif				/* CCISS_DEBUG */
 
 	drv->usage_count--;
@@ -604,21 +604,23 @@ static int cciss_release(struct inode *inode, struct file *filep)
 
 #ifdef CONFIG_COMPAT
 
-static int do_ioctl(struct file *f, unsigned cmd, unsigned long arg)
+static int do_ioctl(struct block_device *bdev, fmode_t mode,
+		    unsigned cmd, unsigned long arg)
 {
 	int ret;
 	lock_kernel();
-	ret = cciss_ioctl(f->f_path.dentry->d_inode, f, cmd, arg);
+	ret = cciss_ioctl(bdev, mode, cmd, arg);
 	unlock_kernel();
 	return ret;
 }
 
-static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
-				  unsigned long arg);
-static int cciss_ioctl32_big_passthru(struct file *f, unsigned cmd,
-				      unsigned long arg);
+static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
+				  unsigned cmd, unsigned long arg);
+static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
+				      unsigned cmd, unsigned long arg);
 
-static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
+static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode,
+			      unsigned cmd, unsigned long arg)
 {
 	switch (cmd) {
 	case CCISS_GETPCIINFO:
@@ -636,20 +638,20 @@ static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
 	case CCISS_REGNEWD:
 	case CCISS_RESCANDISK:
 	case CCISS_GETLUNINFO:
-		return do_ioctl(f, cmd, arg);
+		return do_ioctl(bdev, mode, cmd, arg);
 
 	case CCISS_PASSTHRU32:
-		return cciss_ioctl32_passthru(f, cmd, arg);
+		return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
 	case CCISS_BIG_PASSTHRU32:
-		return cciss_ioctl32_big_passthru(f, cmd, arg);
+		return cciss_ioctl32_big_passthru(bdev, mode, cmd, arg);
 
 	default:
 		return -ENOIOCTLCMD;
 	}
 }
 
-static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
-				  unsigned long arg)
+static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
+				  unsigned cmd, unsigned long arg)
 {
 	IOCTL32_Command_struct __user *arg32 =
 	    (IOCTL32_Command_struct __user *) arg;
@@ -676,7 +678,7 @@ static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
 	if (err)
 		return -EFAULT;
 
-	err = do_ioctl(f, CCISS_PASSTHRU, (unsigned long)p);
+	err = do_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
 	if (err)
 		return err;
 	err |=
@@ -687,8 +689,8 @@ static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
 	return err;
 }
 
-static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd,
-				      unsigned long arg)
+static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
+				      unsigned cmd, unsigned long arg)
 {
 	BIG_IOCTL32_Command_struct __user *arg32 =
 	    (BIG_IOCTL32_Command_struct __user *) arg;
@@ -717,7 +719,7 @@ static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd,
 	if (err)
 		return -EFAULT;
 
-	err = do_ioctl(file, CCISS_BIG_PASSTHRU, (unsigned long)p);
+	err = do_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
 	if (err)
 		return err;
 	err |=
@@ -745,10 +747,9 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 /*
  * ioctl
  */
-static int cciss_ioctl(struct inode *inode, struct file *filep,
+static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
 		       unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
 	ctlr_info_t *host = get_host(disk);
 	drive_info_struct *drv = get_drv(disk);
@@ -1232,7 +1233,7 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
 	case SG_EMULATED_HOST:
 	case SG_IO:
 	case SCSI_IOCTL_SEND_COMMAND:
-		return scsi_cmd_ioctl(filep, disk->queue, disk, cmd, argp);
+		return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
 
 	/* scsi_cmd_ioctl would normally handle these, below, but */
 	/* they aren't a good fit for cciss, as CD-ROMs are */
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 3d967525e9a..47d233c6d0b 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -156,9 +156,9 @@ static int sendcmd(
 	unsigned int blkcnt,
 	unsigned int log_unit );
 
-static int ida_open(struct inode *inode, struct file *filep);
-static int ida_release(struct inode *inode, struct file *filep);
-static int ida_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, unsigned long arg);
+static int ida_open(struct block_device *bdev, fmode_t mode);
+static int ida_release(struct gendisk *disk, fmode_t mode);
+static int ida_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg);
 static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 static int ida_ctlr_ioctl(ctlr_info_t *h, int dsk, ida_ioctl_t *io);
 
@@ -197,7 +197,7 @@ static struct block_device_operations ida_fops  = {
 	.owner		= THIS_MODULE,
 	.open		= ida_open,
 	.release	= ida_release,
-	.ioctl		= ida_ioctl,
+	.locked_ioctl	= ida_ioctl,
 	.getgeo		= ida_getgeo,
 	.revalidate_disk= ida_revalidate,
 };
@@ -818,12 +818,12 @@ DBGINFO(
 /*
  * Open.  Make sure the device is really there.
  */
-static int ida_open(struct inode *inode, struct file *filep)
+static int ida_open(struct block_device *bdev, fmode_t mode)
 {
-	drv_info_t *drv = get_drv(inode->i_bdev->bd_disk);
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
+	drv_info_t *drv = get_drv(bdev->bd_disk);
+	ctlr_info_t *host = get_host(bdev->bd_disk);
 
-	DBGINFO(printk("ida_open %s\n", inode->i_bdev->bd_disk->disk_name));
+	DBGINFO(printk("ida_open %s\n", bdev->bd_disk->disk_name));
 	/*
 	 * Root is allowed to open raw volume zero even if it's not configured
 	 * so array config can still work.  I don't think I really like this,
@@ -843,9 +843,9 @@ static int ida_open(struct inode *inode, struct file *filep)
 /*
  * Close.  Sync first.
  */
-static int ida_release(struct inode *inode, struct file *filep)
+static int ida_release(struct gendisk *disk, fmode_t mode)
 {
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
+	ctlr_info_t *host = get_host(disk);
 	host->usage_count--;
 	return 0;
 }
@@ -1128,10 +1128,10 @@ static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo)
  *  ida_ioctl does some miscellaneous stuff like reporting drive geometry,
  *  setting readahead and submitting commands from userspace to the controller.
  */
-static int ida_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, unsigned long arg)
+static int ida_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
 {
-	drv_info_t *drv = get_drv(inode->i_bdev->bd_disk);
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
+	drv_info_t *drv = get_drv(bdev->bd_disk);
+	ctlr_info_t *host = get_host(bdev->bd_disk);
 	int error;
 	ida_ioctl_t __user *io = (ida_ioctl_t __user *)arg;
 	ida_ioctl_t *my_io;
@@ -1165,7 +1165,7 @@ out_passthru:
 		put_user(host->ctlr_sig, (int __user *)arg);
 		return 0;
 	case IDAREVALIDATEVOLS:
-		if (iminor(inode) != 0)
+		if (MINOR(bdev->bd_dev) != 0)
 			return -ENXIO;
 		return revalidate_allvol(host);
 	case IDADRIVERVERSION:
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 2cea27aba9a..14db747a636 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3450,14 +3450,14 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
+static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
 		    unsigned long param)
 {
-#define FD_IOCTL_ALLOWED ((filp) && (filp)->private_data)
+#define FD_IOCTL_ALLOWED (mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
 #define OUT(c,x) case c: outparam = (const char *) (x); break
 #define IN(c,x,tag) case c: *(x) = inparam. tag ; return 0
 
-	int drive = (long)inode->i_bdev->bd_disk->private_data;
+	int drive = (long)bdev->bd_disk->private_data;
 	int type = ITYPE(UDRS->fd_device);
 	int i;
 	int ret;
@@ -3516,11 +3516,11 @@ static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 			current_type[drive] = NULL;
 			floppy_sizes[drive] = MAX_DISK_SIZE << 1;
 			UDRS->keep_data = 0;
-			return invalidate_drive(inode->i_bdev);
+			return invalidate_drive(bdev);
 		case FDSETPRM:
 		case FDDEFPRM:
 			return set_geometry(cmd, &inparam.g,
-					    drive, type, inode->i_bdev);
+					    drive, type, bdev);
 		case FDGETPRM:
 			ECALL(get_floppy_geometry(drive, type,
 						  (struct floppy_struct **)
@@ -3551,7 +3551,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		case FDFMTEND:
 		case FDFLUSH:
 			LOCK_FDC(drive, 1);
-			return invalidate_drive(inode->i_bdev);
+			return invalidate_drive(bdev);
 
 		case FDSETEMSGTRESH:
 			UDP->max_errors.reporting =
@@ -3659,9 +3659,9 @@ static void __init config_types(void)
 		printk("\n");
 }
 
-static int floppy_release(struct inode *inode, struct file *filp)
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	int drive = (long)inode->i_bdev->bd_disk->private_data;
+	int drive = (long)disk->private_data;
 
 	mutex_lock(&open_lock);
 	if (UDRS->fd_ref < 0)
@@ -3682,18 +3682,17 @@ static int floppy_release(struct inode *inode, struct file *filp)
  * /dev/PS0 etc), and disallows simultaneous access to the same
  * drive with different device numbers.
  */
-static int floppy_open(struct inode *inode, struct file *filp)
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	int drive = (long)inode->i_bdev->bd_disk->private_data;
-	int old_dev;
+	int drive = (long)bdev->bd_disk->private_data;
+	int old_dev, new_dev;
 	int try;
 	int res = -EBUSY;
 	char *tmp;
 
-	filp->private_data = (void *)0;
 	mutex_lock(&open_lock);
 	old_dev = UDRS->fd_device;
-	if (opened_bdev[drive] && opened_bdev[drive] != inode->i_bdev)
+	if (opened_bdev[drive] && opened_bdev[drive] != bdev)
 		goto out2;
 
 	if (!UDRS->fd_ref && (UDP->flags & FD_BROKEN_DCL)) {
@@ -3701,15 +3700,15 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		USETF(FD_VERIFY);
 	}
 
-	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_flags & O_EXCL)))
+	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (mode & FMODE_EXCL)))
 		goto out2;
 
-	if (filp->f_flags & O_EXCL)
+	if (mode & FMODE_EXCL)
 		UDRS->fd_ref = -1;
 	else
 		UDRS->fd_ref++;
 
-	opened_bdev[drive] = inode->i_bdev;
+	opened_bdev[drive] = bdev;
 
 	res = -ENXIO;
 
@@ -3744,31 +3743,26 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		}
 	}
 
-	UDRS->fd_device = iminor(inode);
-	set_capacity(disks[drive], floppy_sizes[iminor(inode)]);
-	if (old_dev != -1 && old_dev != iminor(inode)) {
+	new_dev = MINOR(bdev->bd_dev);
+	UDRS->fd_device = new_dev;
+	set_capacity(disks[drive], floppy_sizes[new_dev]);
+	if (old_dev != -1 && old_dev != new_dev) {
 		if (buffer_drive == drive)
 			buffer_track = -1;
 	}
 
-	/* Allow ioctls if we have write-permissions even if read-only open.
-	 * Needed so that programs such as fdrawcmd still can work on write
-	 * protected disks */
-	if ((filp->f_mode & FMODE_WRITE) || !file_permission(filp, MAY_WRITE))
-		filp->private_data = (void *)8;
-
 	if (UFDCS->rawcmd == 1)
 		UFDCS->rawcmd = 2;
 
-	if (!(filp->f_flags & O_NDELAY)) {
-		if (filp->f_mode & 3) {
+	if (!(mode & FMODE_NDELAY)) {
+		if (mode & (FMODE_READ|FMODE_WRITE)) {
 			UDRS->last_checked = 0;
-			check_disk_change(inode->i_bdev);
+			check_disk_change(bdev);
 			if (UTESTF(FD_DISK_CHANGED))
 				goto out;
 		}
 		res = -EROFS;
-		if ((filp->f_mode & 2) && !(UTESTF(FD_DISK_WRITABLE)))
+		if ((mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
 			goto out;
 	}
 	mutex_unlock(&open_lock);
@@ -3911,7 +3905,7 @@ static struct block_device_operations floppy_fops = {
 	.owner			= THIS_MODULE,
 	.open			= floppy_open,
 	.release		= floppy_release,
-	.ioctl			= fd_ioctl,
+	.locked_ioctl		= fd_ioctl,
 	.getgeo			= fd_getgeo,
 	.media_changed		= check_floppy_change,
 	.revalidate_disk	= floppy_revalidate,
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d3a25b027ff..3f09cd8bcc3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -210,7 +210,7 @@ lo_do_transfer(struct loop_device *lo, int cmd,
  * space operations write_begin and write_end.
  */
 static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec,
-		int bsize, loff_t pos, struct page *unused)
+		loff_t pos, struct page *unused)
 {
 	struct file *file = lo->lo_backing_file; /* kudos to NFsckingS */
 	struct address_space *mapping = file->f_mapping;
@@ -302,7 +302,7 @@ static int __do_lo_send_write(struct file *file,
  * filesystems.
  */
 static int do_lo_send_direct_write(struct loop_device *lo,
-		struct bio_vec *bvec, int bsize, loff_t pos, struct page *page)
+		struct bio_vec *bvec, loff_t pos, struct page *page)
 {
 	ssize_t bw = __do_lo_send_write(lo->lo_backing_file,
 			kmap(bvec->bv_page) + bvec->bv_offset,
@@ -326,7 +326,7 @@ static int do_lo_send_direct_write(struct loop_device *lo,
  * destination pages of the backing file.
  */
 static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec,
-		int bsize, loff_t pos, struct page *page)
+		loff_t pos, struct page *page)
 {
 	int ret = lo_do_transfer(lo, WRITE, page, 0, bvec->bv_page,
 			bvec->bv_offset, bvec->bv_len, pos >> 9);
@@ -341,10 +341,9 @@ static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec,
 	return ret;
 }
 
-static int lo_send(struct loop_device *lo, struct bio *bio, int bsize,
-		loff_t pos)
+static int lo_send(struct loop_device *lo, struct bio *bio, loff_t pos)
 {
-	int (*do_lo_send)(struct loop_device *, struct bio_vec *, int, loff_t,
+	int (*do_lo_send)(struct loop_device *, struct bio_vec *, loff_t,
 			struct page *page);
 	struct bio_vec *bvec;
 	struct page *page = NULL;
@@ -362,7 +361,7 @@ static int lo_send(struct loop_device *lo, struct bio *bio, int bsize,
 		}
 	}
 	bio_for_each_segment(bvec, bio, i) {
-		ret = do_lo_send(lo, bvec, bsize, pos, page);
+		ret = do_lo_send(lo, bvec, pos, page);
 		if (ret < 0)
 			break;
 		pos += bvec->bv_len;
@@ -478,7 +477,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
 
 	pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset;
 	if (bio_rw(bio) == WRITE)
-		ret = lo_send(lo, bio, lo->lo_blocksize, pos);
+		ret = lo_send(lo, bio, pos);
 	else
 		ret = lo_receive(lo, bio, lo->lo_blocksize, pos);
 	return ret;
@@ -652,8 +651,8 @@ static void do_loop_switch(struct loop_device *lo, struct switch_request *p)
  * This can only work if the loop device is used read-only, and if the
  * new backing store is the same size and type as the old backing store.
  */
-static int loop_change_fd(struct loop_device *lo, struct file *lo_file,
-		       struct block_device *bdev, unsigned int arg)
+static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
+			  unsigned int arg)
 {
 	struct file	*file, *old_file;
 	struct inode	*inode;
@@ -712,7 +711,7 @@ static inline int is_loop_device(struct file *file)
 	return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR;
 }
 
-static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
+static int loop_set_fd(struct loop_device *lo, fmode_t mode,
 		       struct block_device *bdev, unsigned int arg)
 {
 	struct file	*file, *f;
@@ -740,7 +739,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
 	while (is_loop_device(f)) {
 		struct loop_device *l;
 
-		if (f->f_mapping->host->i_rdev == lo_file->f_mapping->host->i_rdev)
+		if (f->f_mapping->host->i_bdev == bdev)
 			goto out_putf;
 
 		l = f->f_mapping->host->i_bdev->bd_disk->private_data;
@@ -786,7 +785,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
 		goto out_putf;
 	}
 
-	if (!(lo_file->f_mode & FMODE_WRITE))
+	if (!(mode & FMODE_WRITE))
 		lo_flags |= LO_FLAGS_READ_ONLY;
 
 	set_device_ro(bdev, (lo_flags & LO_FLAGS_READ_ONLY) != 0);
@@ -918,9 +917,11 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
 	memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
 	memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
 	memset(lo->lo_file_name, 0, LO_NAME_SIZE);
-	invalidate_bdev(bdev);
+	if (bdev)
+		invalidate_bdev(bdev);
 	set_capacity(lo->lo_disk, 0);
-	bd_set_size(bdev, 0);
+	if (bdev)
+		bd_set_size(bdev, 0);
 	mapping_set_gfp_mask(filp->f_mapping, gfp);
 	lo->lo_state = Lo_unbound;
 	fput(filp);
@@ -1137,22 +1138,22 @@ loop_get_status64(struct loop_device *lo, struct loop_info64 __user *arg) {
 	return err;
 }
 
-static int lo_ioctl(struct inode * inode, struct file * file,
+static int lo_ioctl(struct block_device *bdev, fmode_t mode,
 	unsigned int cmd, unsigned long arg)
 {
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = bdev->bd_disk->private_data;
 	int err;
 
 	mutex_lock(&lo->lo_ctl_mutex);
 	switch (cmd) {
 	case LOOP_SET_FD:
-		err = loop_set_fd(lo, file, inode->i_bdev, arg);
+		err = loop_set_fd(lo, mode, bdev, arg);
 		break;
 	case LOOP_CHANGE_FD:
-		err = loop_change_fd(lo, file, inode->i_bdev, arg);
+		err = loop_change_fd(lo, bdev, arg);
 		break;
 	case LOOP_CLR_FD:
-		err = loop_clr_fd(lo, inode->i_bdev);
+		err = loop_clr_fd(lo, bdev);
 		break;
 	case LOOP_SET_STATUS:
 		err = loop_set_status_old(lo, (struct loop_info __user *) arg);
@@ -1292,10 +1293,10 @@ loop_get_status_compat(struct loop_device *lo,
 	return err;
 }
 
-static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
+			   unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = bdev->bd_disk->private_data;
 	int err;
 
 	switch(cmd) {
@@ -1317,7 +1318,7 @@ static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
 		arg = (unsigned long) compat_ptr(arg);
 	case LOOP_SET_FD:
 	case LOOP_CHANGE_FD:
-		err = lo_ioctl(inode, file, cmd, arg);
+		err = lo_ioctl(bdev, mode, cmd, arg);
 		break;
 	default:
 		err = -ENOIOCTLCMD;
@@ -1327,9 +1328,9 @@ static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
 }
 #endif
 
-static int lo_open(struct inode *inode, struct file *file)
+static int lo_open(struct block_device *bdev, fmode_t mode)
 {
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = bdev->bd_disk->private_data;
 
 	mutex_lock(&lo->lo_ctl_mutex);
 	lo->lo_refcnt++;
@@ -1338,15 +1339,15 @@ static int lo_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static int lo_release(struct inode *inode, struct file *file)
+static int lo_release(struct gendisk *disk, fmode_t mode)
 {
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = disk->private_data;
 
 	mutex_lock(&lo->lo_ctl_mutex);
 	--lo->lo_refcnt;
 
 	if ((lo->lo_flags & LO_FLAGS_AUTOCLEAR) && !lo->lo_refcnt)
-		loop_clr_fd(lo, inode->i_bdev);
+		loop_clr_fd(lo, NULL);
 
 	mutex_unlock(&lo->lo_ctl_mutex);
 
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9034ca585af..d3a91cacee8 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -557,10 +557,11 @@ static void do_nbd_request(struct request_queue * q)
 	}
 }
 
-static int nbd_ioctl(struct inode *inode, struct file *file,
+static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
 		     unsigned int cmd, unsigned long arg)
 {
-	struct nbd_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct nbd_device *lo = bdev->bd_disk->private_data;
+	struct file *file;
 	int error;
 	struct request sreq ;
 	struct task_struct *thread;
@@ -612,8 +613,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		error = -EINVAL;
 		file = fget(arg);
 		if (file) {
-			struct block_device *bdev = inode->i_bdev;
-			inode = file->f_path.dentry->d_inode;
+			struct inode *inode = file->f_path.dentry->d_inode;
 			if (S_ISSOCK(inode->i_mode)) {
 				lo->file = file;
 				lo->sock = SOCKET_I(inode);
@@ -628,14 +628,14 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 	case NBD_SET_BLKSIZE:
 		lo->blksize = arg;
 		lo->bytesize &= ~(lo->blksize-1);
-		inode->i_bdev->bd_inode->i_size = lo->bytesize;
-		set_blocksize(inode->i_bdev, lo->blksize);
+		bdev->bd_inode->i_size = lo->bytesize;
+		set_blocksize(bdev, lo->blksize);
 		set_capacity(lo->disk, lo->bytesize >> 9);
 		return 0;
 	case NBD_SET_SIZE:
 		lo->bytesize = arg & ~(lo->blksize-1);
-		inode->i_bdev->bd_inode->i_size = lo->bytesize;
-		set_blocksize(inode->i_bdev, lo->blksize);
+		bdev->bd_inode->i_size = lo->bytesize;
+		set_blocksize(bdev, lo->blksize);
 		set_capacity(lo->disk, lo->bytesize >> 9);
 		return 0;
 	case NBD_SET_TIMEOUT:
@@ -643,8 +643,8 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		return 0;
 	case NBD_SET_SIZE_BLOCKS:
 		lo->bytesize = ((u64) arg) * lo->blksize;
-		inode->i_bdev->bd_inode->i_size = lo->bytesize;
-		set_blocksize(inode->i_bdev, lo->blksize);
+		bdev->bd_inode->i_size = lo->bytesize;
+		set_blocksize(bdev, lo->blksize);
 		set_capacity(lo->disk, lo->bytesize >> 9);
 		return 0;
 	case NBD_DO_IT:
@@ -666,10 +666,10 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		if (file)
 			fput(file);
 		lo->bytesize = 0;
-		inode->i_bdev->bd_inode->i_size = 0;
+		bdev->bd_inode->i_size = 0;
 		set_capacity(lo->disk, 0);
 		if (max_part > 0)
-			ioctl_by_bdev(inode->i_bdev, BLKRRPART, 0);
+			ioctl_by_bdev(bdev, BLKRRPART, 0);
 		return lo->harderror;
 	case NBD_CLEAR_QUE:
 		/*
@@ -680,7 +680,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		return 0;
 	case NBD_PRINT_DEBUG:
 		printk(KERN_INFO "%s: next = %p, prev = %p, head = %p\n",
-			inode->i_bdev->bd_disk->disk_name,
+			bdev->bd_disk->disk_name,
 			lo->queue_head.next, lo->queue_head.prev,
 			&lo->queue_head);
 		return 0;
@@ -691,7 +691,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 static struct block_device_operations nbd_fops =
 {
 	.owner =	THIS_MODULE,
-	.ioctl =	nbd_ioctl,
+	.locked_ioctl =	nbd_ioctl,
 };
 
 /*
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index b8a994a2b01..e91d4b4b014 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -223,23 +223,24 @@ static int pcd_warned;		/* Have we logged a phase warning ? */
 
 /* kernel glue structures */
 
-static int pcd_block_open(struct inode *inode, struct file *file)
+static int pcd_block_open(struct block_device *bdev, fmode_t mode)
 {
-	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_open(&cd->info, inode, file);
+	struct pcd_unit *cd = bdev->bd_disk->private_data;
+	return cdrom_open(&cd->info, bdev, mode);
 }
 
-static int pcd_block_release(struct inode *inode, struct file *file)
+static int pcd_block_release(struct gendisk *disk, fmode_t mode)
 {
-	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_release(&cd->info, file);
+	struct pcd_unit *cd = disk->private_data;
+	cdrom_release(&cd->info, mode);
+	return 0;
 }
 
-static int pcd_block_ioctl(struct inode *inode, struct file *file,
+static int pcd_block_ioctl(struct block_device *bdev, fmode_t mode,
 				unsigned cmd, unsigned long arg)
 {
-	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_ioctl(file, &cd->info, inode, cmd, arg);
+	struct pcd_unit *cd = bdev->bd_disk->private_data;
+	return cdrom_ioctl(&cd->info, bdev, mode, cmd, arg);
 }
 
 static int pcd_block_media_changed(struct gendisk *disk)
@@ -252,7 +253,7 @@ static struct block_device_operations pcd_bdops = {
 	.owner		= THIS_MODULE,
 	.open		= pcd_block_open,
 	.release	= pcd_block_release,
-	.ioctl		= pcd_block_ioctl,
+	.locked_ioctl	= pcd_block_ioctl,
 	.media_changed	= pcd_block_media_changed,
 };
 
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 5fdfa7c888c..9299455b0af 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -728,9 +728,9 @@ static int pd_special_command(struct pd_unit *disk,
 
 /* kernel glue structures */
 
-static int pd_open(struct inode *inode, struct file *file)
+static int pd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct pd_unit *disk = inode->i_bdev->bd_disk->private_data;
+	struct pd_unit *disk = bdev->bd_disk->private_data;
 
 	disk->access++;
 
@@ -758,10 +758,10 @@ static int pd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int pd_ioctl(struct inode *inode, struct file *file,
+static int pd_ioctl(struct block_device *bdev, fmode_t mode,
 	 unsigned int cmd, unsigned long arg)
 {
-	struct pd_unit *disk = inode->i_bdev->bd_disk->private_data;
+	struct pd_unit *disk = bdev->bd_disk->private_data;
 
 	switch (cmd) {
 	case CDROMEJECT:
@@ -773,9 +773,9 @@ static int pd_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
-static int pd_release(struct inode *inode, struct file *file)
+static int pd_release(struct gendisk *p, fmode_t mode)
 {
-	struct pd_unit *disk = inode->i_bdev->bd_disk->private_data;
+	struct pd_unit *disk = p->private_data;
 
 	if (!--disk->access && disk->removable)
 		pd_special_command(disk, pd_door_unlock);
@@ -809,7 +809,7 @@ static struct block_device_operations pd_fops = {
 	.owner		= THIS_MODULE,
 	.open		= pd_open,
 	.release	= pd_release,
-	.ioctl		= pd_ioctl,
+	.locked_ioctl	= pd_ioctl,
 	.getgeo		= pd_getgeo,
 	.media_changed	= pd_check_media,
 	.revalidate_disk= pd_revalidate
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index e7fe6ca97dd..bef3b997ba3 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -201,13 +201,13 @@ module_param_array(drive3, int, NULL, 0);
 #define ATAPI_READ_10		0x28
 #define ATAPI_WRITE_10		0x2a
 
-static int pf_open(struct inode *inode, struct file *file);
+static int pf_open(struct block_device *bdev, fmode_t mode);
 static void do_pf_request(struct request_queue * q);
-static int pf_ioctl(struct inode *inode, struct file *file,
+static int pf_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long arg);
 static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
-static int pf_release(struct inode *inode, struct file *file);
+static int pf_release(struct gendisk *disk, fmode_t mode);
 
 static int pf_detect(void);
 static void do_pf_read(void);
@@ -266,7 +266,7 @@ static struct block_device_operations pf_fops = {
 	.owner		= THIS_MODULE,
 	.open		= pf_open,
 	.release	= pf_release,
-	.ioctl		= pf_ioctl,
+	.locked_ioctl	= pf_ioctl,
 	.getgeo		= pf_getgeo,
 	.media_changed	= pf_check_media,
 };
@@ -296,16 +296,16 @@ static void __init pf_init_units(void)
 	}
 }
 
-static int pf_open(struct inode *inode, struct file *file)
+static int pf_open(struct block_device *bdev, fmode_t mode)
 {
-	struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
+	struct pf_unit *pf = bdev->bd_disk->private_data;
 
 	pf_identify(pf);
 
 	if (pf->media_status == PF_NM)
 		return -ENODEV;
 
-	if ((pf->media_status == PF_RO) && (file->f_mode & 2))
+	if ((pf->media_status == PF_RO) && (mode & FMODE_WRITE))
 		return -EROFS;
 
 	pf->access++;
@@ -333,9 +333,9 @@ static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int pf_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
 {
-	struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
+	struct pf_unit *pf = bdev->bd_disk->private_data;
 
 	if (cmd != CDROMEJECT)
 		return -EINVAL;
@@ -346,9 +346,9 @@ static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
 	return 0;
 }
 
-static int pf_release(struct inode *inode, struct file *file)
+static int pf_release(struct gendisk *disk, fmode_t mode)
 {
-	struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
+	struct pf_unit *pf = disk->private_data;
 
 	if (pf->access <= 0)
 		return -EINVAL;
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 5ae229656ea..1e4006e18f0 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -667,7 +667,7 @@ static int pt_open(struct inode *inode, struct file *file)
 		goto out;
 
 	err = -EROFS;
-	if ((!(tape->flags & PT_WRITE_OK)) && (file->f_mode & 2))
+	if ((!(tape->flags & PT_WRITE_OK)) && (file->f_mode & FMODE_WRITE))
 		goto out;
 
 	if (!(iminor(inode) & 128))
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 195ca7c720f..f20bf359b84 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2320,7 +2320,7 @@ static int pkt_open_write(struct pktcdvd_device *pd)
 /*
  * called at open time.
  */
-static int pkt_open_dev(struct pktcdvd_device *pd, int write)
+static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
 {
 	int ret;
 	long lba;
@@ -2332,7 +2332,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, int write)
 	 * so bdget() can't fail.
 	 */
 	bdget(pd->bdev->bd_dev);
-	if ((ret = blkdev_get(pd->bdev, FMODE_READ, O_RDONLY)))
+	if ((ret = blkdev_get(pd->bdev, FMODE_READ)))
 		goto out;
 
 	if ((ret = bd_claim(pd->bdev, pd)))
@@ -2381,7 +2381,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, int write)
 out_unclaim:
 	bd_release(pd->bdev);
 out_putdev:
-	blkdev_put(pd->bdev);
+	blkdev_put(pd->bdev, FMODE_READ);
 out:
 	return ret;
 }
@@ -2399,7 +2399,7 @@ static void pkt_release_dev(struct pktcdvd_device *pd, int flush)
 
 	pkt_set_speed(pd, MAX_SPEED, MAX_SPEED);
 	bd_release(pd->bdev);
-	blkdev_put(pd->bdev);
+	blkdev_put(pd->bdev, FMODE_READ);
 
 	pkt_shrink_pktlist(pd);
 }
@@ -2411,7 +2411,7 @@ static struct pktcdvd_device *pkt_find_dev_from_minor(int dev_minor)
 	return pkt_devs[dev_minor];
 }
 
-static int pkt_open(struct inode *inode, struct file *file)
+static int pkt_open(struct block_device *bdev, fmode_t mode)
 {
 	struct pktcdvd_device *pd = NULL;
 	int ret;
@@ -2419,7 +2419,7 @@ static int pkt_open(struct inode *inode, struct file *file)
 	VPRINTK(DRIVER_NAME": entering open\n");
 
 	mutex_lock(&ctl_mutex);
-	pd = pkt_find_dev_from_minor(iminor(inode));
+	pd = pkt_find_dev_from_minor(MINOR(bdev->bd_dev));
 	if (!pd) {
 		ret = -ENODEV;
 		goto out;
@@ -2428,20 +2428,20 @@ static int pkt_open(struct inode *inode, struct file *file)
 
 	pd->refcnt++;
 	if (pd->refcnt > 1) {
-		if ((file->f_mode & FMODE_WRITE) &&
+		if ((mode & FMODE_WRITE) &&
 		    !test_bit(PACKET_WRITABLE, &pd->flags)) {
 			ret = -EBUSY;
 			goto out_dec;
 		}
 	} else {
-		ret = pkt_open_dev(pd, file->f_mode & FMODE_WRITE);
+		ret = pkt_open_dev(pd, mode & FMODE_WRITE);
 		if (ret)
 			goto out_dec;
 		/*
 		 * needed here as well, since ext2 (among others) may change
 		 * the blocksize at mount time
 		 */
-		set_blocksize(inode->i_bdev, CD_FRAMESIZE);
+		set_blocksize(bdev, CD_FRAMESIZE);
 	}
 
 	mutex_unlock(&ctl_mutex);
@@ -2455,9 +2455,9 @@ out:
 	return ret;
 }
 
-static int pkt_close(struct inode *inode, struct file *file)
+static int pkt_close(struct gendisk *disk, fmode_t mode)
 {
-	struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data;
+	struct pktcdvd_device *pd = disk->private_data;
 	int ret = 0;
 
 	mutex_lock(&ctl_mutex);
@@ -2765,7 +2765,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
 	bdev = bdget(dev);
 	if (!bdev)
 		return -ENOMEM;
-	ret = blkdev_get(bdev, FMODE_READ, O_RDONLY | O_NONBLOCK);
+	ret = blkdev_get(bdev, FMODE_READ | FMODE_NDELAY);
 	if (ret)
 		return ret;
 
@@ -2790,19 +2790,28 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
 	return 0;
 
 out_mem:
-	blkdev_put(bdev);
+	blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 	/* This is safe: open() is still holding a reference. */
 	module_put(THIS_MODULE);
 	return ret;
 }
 
-static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
 {
-	struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data;
+	struct pktcdvd_device *pd = bdev->bd_disk->private_data;
 
-	VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, imajor(inode), iminor(inode));
+	VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd,
+		MAJOR(bdev->bd_dev), MINOR(bdev->bd_dev));
 
 	switch (cmd) {
+	case CDROMEJECT:
+		/*
+		 * The door gets locked when the device is opened, so we
+		 * have to unlock it or else the eject command fails.
+		 */
+		if (pd->refcnt == 1)
+			pkt_lock_door(pd, 0);
+		/* fallthru */
 	/*
 	 * forward selected CDROM ioctls to CD-ROM, for UDF
 	 */
@@ -2811,16 +2820,7 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
 	case CDROM_LAST_WRITTEN:
 	case CDROM_SEND_PACKET:
 	case SCSI_IOCTL_SEND_COMMAND:
-		return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
-
-	case CDROMEJECT:
-		/*
-		 * The door gets locked when the device is opened, so we
-		 * have to unlock it or else the eject command fails.
-		 */
-		if (pd->refcnt == 1)
-			pkt_lock_door(pd, 0);
-		return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
+		return __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg);
 
 	default:
 		VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
@@ -2849,7 +2849,7 @@ static struct block_device_operations pktcdvd_ops = {
 	.owner =		THIS_MODULE,
 	.open =			pkt_open,
 	.release =		pkt_close,
-	.ioctl =		pkt_ioctl,
+	.locked_ioctl =		pkt_ioctl,
 	.media_changed =	pkt_media_changed,
 };
 
@@ -2975,7 +2975,7 @@ static int pkt_remove_dev(dev_t pkt_dev)
 	pkt_debugfs_dev_remove(pd);
 	pkt_sysfs_dev_remove(pd);
 
-	blkdev_put(pd->bdev);
+	blkdev_put(pd->bdev, FMODE_READ|FMODE_WRITE);
 
 	remove_proc_entry(pd->name, pkt_proc);
 	DPRINTK(DRIVER_NAME": writer %s unmapped\n", pd->name);
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 730ccea78e4..612965307ba 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -244,10 +244,10 @@ static int grab_drive(struct floppy_state *fs, enum swim_state state,
 		      int interruptible);
 static void release_drive(struct floppy_state *fs);
 static int fd_eject(struct floppy_state *fs);
-static int floppy_ioctl(struct inode *inode, struct file *filp,
+static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long param);
-static int floppy_open(struct inode *inode, struct file *filp);
-static int floppy_release(struct inode *inode, struct file *filp);
+static int floppy_open(struct block_device *bdev, fmode_t mode);
+static int floppy_release(struct gendisk *disk, fmode_t mode);
 static int floppy_check_change(struct gendisk *disk);
 static int floppy_revalidate(struct gendisk *disk);
 
@@ -839,10 +839,10 @@ static int fd_eject(struct floppy_state *fs)
 static struct floppy_struct floppy_type =
 	{ 2880,18,2,80,0,0x1B,0x00,0xCF,0x6C,NULL };	/*  7 1.44MB 3.5"   */
 
-static int floppy_ioctl(struct inode *inode, struct file *filp,
+static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long param)
 {
-	struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
+	struct floppy_state *fs = bdev->bd_disk->private_data;
 	int err;
 		
 	if ((cmd & 0x80) && !capable(CAP_SYS_ADMIN))
@@ -868,9 +868,9 @@ static int floppy_ioctl(struct inode *inode, struct file *filp,
 	return -ENOTTY;
 }
 
-static int floppy_open(struct inode *inode, struct file *filp)
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
+	struct floppy_state *fs = bdev->bd_disk->private_data;
 	struct swim3 __iomem *sw = fs->swim3;
 	int n, err = 0;
 
@@ -904,17 +904,17 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		swim3_action(fs, SETMFM);
 		swim3_select(fs, RELAX);
 
-	} else if (fs->ref_count == -1 || filp->f_flags & O_EXCL)
+	} else if (fs->ref_count == -1 || mode & FMODE_EXCL)
 		return -EBUSY;
 
-	if (err == 0 && (filp->f_flags & O_NDELAY) == 0
-	    && (filp->f_mode & 3)) {
-		check_disk_change(inode->i_bdev);
+	if (err == 0 && (mode & FMODE_NDELAY) == 0
+	    && (mode & (FMODE_READ|FMODE_WRITE))) {
+		check_disk_change(bdev);
 		if (fs->ejected)
 			err = -ENXIO;
 	}
 
-	if (err == 0 && (filp->f_mode & 2)) {
+	if (err == 0 && (mode & FMODE_WRITE)) {
 		if (fs->write_prot < 0)
 			fs->write_prot = swim3_readbit(fs, WRITE_PROT);
 		if (fs->write_prot)
@@ -930,7 +930,7 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		return err;
 	}
 
-	if (filp->f_flags & O_EXCL)
+	if (mode & FMODE_EXCL)
 		fs->ref_count = -1;
 	else
 		++fs->ref_count;
@@ -938,9 +938,9 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-static int floppy_release(struct inode *inode, struct file *filp)
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
+	struct floppy_state *fs = disk->private_data;
 	struct swim3 __iomem *sw = fs->swim3;
 	if (fs->ref_count > 0 && --fs->ref_count == 0) {
 		swim3_action(fs, MOTOR_OFF);
@@ -1000,7 +1000,7 @@ static int floppy_revalidate(struct gendisk *disk)
 static struct block_device_operations floppy_fops = {
 	.open		= floppy_open,
 	.release	= floppy_release,
-	.ioctl		= floppy_ioctl,
+	.locked_ioctl	= floppy_ioctl,
 	.media_changed	= floppy_check_change,
 	.revalidate_disk= floppy_revalidate,
 };
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index f60e41833f6..fccac18d311 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1667,10 +1667,9 @@ static void ub_revalidate(struct ub_dev *sc, struct ub_lun *lun)
  * This is mostly needed to keep refcounting, but also to support
  * media checks on removable media drives.
  */
-static int ub_bd_open(struct inode *inode, struct file *filp)
+static int ub_bd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ub_lun *lun = disk->private_data;
+	struct ub_lun *lun = bdev->bd_disk->private_data;
 	struct ub_dev *sc = lun->udev;
 	unsigned long flags;
 	int rc;
@@ -1684,19 +1683,19 @@ static int ub_bd_open(struct inode *inode, struct file *filp)
 	spin_unlock_irqrestore(&ub_lock, flags);
 
 	if (lun->removable || lun->readonly)
-		check_disk_change(inode->i_bdev);
+		check_disk_change(bdev);
 
 	/*
 	 * The sd.c considers ->media_present and ->changed not equivalent,
 	 * under some pretty murky conditions (a failure of READ CAPACITY).
 	 * We may need it one day.
 	 */
-	if (lun->removable && lun->changed && !(filp->f_flags & O_NDELAY)) {
+	if (lun->removable && lun->changed && !(mode & FMODE_NDELAY)) {
 		rc = -ENOMEDIUM;
 		goto err_open;
 	}
 
-	if (lun->readonly && (filp->f_mode & FMODE_WRITE)) {
+	if (lun->readonly && (mode & FMODE_WRITE)) {
 		rc = -EROFS;
 		goto err_open;
 	}
@@ -1710,9 +1709,8 @@ err_open:
 
 /*
  */
-static int ub_bd_release(struct inode *inode, struct file *filp)
+static int ub_bd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct ub_lun *lun = disk->private_data;
 	struct ub_dev *sc = lun->udev;
 
@@ -1723,13 +1721,13 @@ static int ub_bd_release(struct inode *inode, struct file *filp)
 /*
  * The ioctl interface.
  */
-static int ub_bd_ioctl(struct inode *inode, struct file *filp,
+static int ub_bd_ioctl(struct block_device *bdev, fmode_t mode,
     unsigned int cmd, unsigned long arg)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	void __user *usermem = (void __user *) arg;
 
-	return scsi_cmd_ioctl(filp, disk->queue, disk, cmd, usermem);
+	return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem);
 }
 
 /*
@@ -1793,7 +1791,7 @@ static struct block_device_operations ub_bd_fops = {
 	.owner		= THIS_MODULE,
 	.open		= ub_bd_open,
 	.release	= ub_bd_release,
-	.ioctl		= ub_bd_ioctl,
+	.locked_ioctl	= ub_bd_ioctl,
 	.media_changed	= ub_bd_media_changed,
 	.revalidate_disk = ub_bd_revalidate,
 };
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index 1730d29e604..ecccf65dce2 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -130,15 +130,15 @@ struct viodasd_device {
 /*
  * External open entry point.
  */
-static int viodasd_open(struct inode *ino, struct file *fil)
+static int viodasd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct viodasd_device *d = ino->i_bdev->bd_disk->private_data;
+	struct viodasd_device *d = bdev->bd_disk->private_data;
 	HvLpEvent_Rc hvrc;
 	struct viodasd_waitevent we;
 	u16 flags = 0;
 
 	if (d->read_only) {
-		if ((fil != NULL) && (fil->f_mode & FMODE_WRITE))
+		if (mode & FMODE_WRITE)
 			return -EROFS;
 		flags = vioblockflags_ro;
 	}
@@ -179,9 +179,9 @@ static int viodasd_open(struct inode *ino, struct file *fil)
 /*
  * External release entry point.
  */
-static int viodasd_release(struct inode *ino, struct file *fil)
+static int viodasd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct viodasd_device *d = ino->i_bdev->bd_disk->private_data;
+	struct viodasd_device *d = disk->private_data;
 	HvLpEvent_Rc hvrc;
 
 	/* Send the event to OS/400.  We DON'T expect a response */
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ec5fc05278..85d79a02d48 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -146,11 +146,11 @@ static void do_virtblk_request(struct request_queue *q)
 		vblk->vq->vq_ops->kick(vblk->vq);
 }
 
-static int virtblk_ioctl(struct inode *inode, struct file *filp,
+static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
 			 unsigned cmd, unsigned long data)
 {
-	return scsi_cmd_ioctl(filp, inode->i_bdev->bd_disk->queue,
-			      inode->i_bdev->bd_disk, cmd,
+	return scsi_cmd_ioctl(bdev->bd_disk->queue,
+			      bdev->bd_disk, mode, cmd,
 			      (void __user *)data);
 }
 
@@ -180,7 +180,7 @@ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
 }
 
 static struct block_device_operations virtblk_fops = {
-	.ioctl  = virtblk_ioctl,
+	.locked_ioctl = virtblk_ioctl,
 	.owner  = THIS_MODULE,
 	.getgeo = virtblk_getgeo,
 };
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 624d30f7da3..64b496fce98 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -132,7 +132,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
 static struct block_device_operations xd_fops = {
 	.owner	= THIS_MODULE,
-	.ioctl	= xd_ioctl,
+	.locked_ioctl	= xd_ioctl,
 	.getgeo = xd_getgeo,
 };
 static DECLARE_WAIT_QUEUE_HEAD(xd_wait_int);
@@ -343,7 +343,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 }
 
 /* xd_ioctl: handle device ioctl's */
-static int xd_ioctl (struct inode *inode,struct file *file,u_int cmd,u_long arg)
+static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg)
 {
 	switch (cmd) {
 		case HDIO_SET_DMA:
diff --git a/drivers/block/xd.h b/drivers/block/xd.h
index cffd44a2038..37cacef16e9 100644
--- a/drivers/block/xd.h
+++ b/drivers/block/xd.h
@@ -105,7 +105,7 @@ static u_char xd_detect (u_char *controller, unsigned int *address);
 static u_char xd_initdrives (void (*init_drive)(u_char drive));
 
 static void do_xd_request (struct request_queue * q);
-static int xd_ioctl (struct inode *inode,struct file *file,unsigned int cmd,unsigned long arg);
+static int xd_ioctl (struct block_device *bdev,fmode_t mode,unsigned int cmd,unsigned long arg);
 static int xd_readwrite (u_char operation,XD_INFO *disk,char *buffer,u_int block,u_int count);
 static void xd_recalibrate (u_char drive);
 
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 1a50ae70f71..b220c686089 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -156,11 +156,10 @@ static int blkif_getgeo(struct block_device *bd, struct hd_geometry *hg)
 	return 0;
 }
 
-static int blkif_ioctl(struct inode *inode, struct file *filep,
+static int blkif_ioctl(struct block_device *bdev, fmode_t mode,
 		       unsigned command, unsigned long argument)
 {
-	struct blkfront_info *info =
-		inode->i_bdev->bd_disk->private_data;
+	struct blkfront_info *info = bdev->bd_disk->private_data;
 	int i;
 
 	dev_dbg(&info->xbdev->dev, "command: 0x%x, argument: 0x%lx\n",
@@ -1014,16 +1013,16 @@ static int blkfront_is_ready(struct xenbus_device *dev)
 	return info->is_ready;
 }
 
-static int blkif_open(struct inode *inode, struct file *filep)
+static int blkif_open(struct block_device *bdev, fmode_t mode)
 {
-	struct blkfront_info *info = inode->i_bdev->bd_disk->private_data;
+	struct blkfront_info *info = bdev->bd_disk->private_data;
 	info->users++;
 	return 0;
 }
 
-static int blkif_release(struct inode *inode, struct file *filep)
+static int blkif_release(struct gendisk *disk, fmode_t mode)
 {
-	struct blkfront_info *info = inode->i_bdev->bd_disk->private_data;
+	struct blkfront_info *info = disk->private_data;
 	info->users--;
 	if (info->users == 0) {
 		/* Check whether we have been instructed to close.  We will
@@ -1044,7 +1043,7 @@ static struct block_device_operations xlvbd_block_fops =
 	.open = blkif_open,
 	.release = blkif_release,
 	.getgeo = blkif_getgeo,
-	.ioctl = blkif_ioctl,
+	.locked_ioctl = blkif_ioctl,
 };
 
 
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 4a7a059ebaf..ecab9e67d47 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -870,25 +870,24 @@ static int ace_revalidate_disk(struct gendisk *gd)
 	return ace->id_result;
 }
 
-static int ace_open(struct inode *inode, struct file *filp)
+static int ace_open(struct block_device *bdev, fmode_t mode)
 {
-	struct ace_device *ace = inode->i_bdev->bd_disk->private_data;
+	struct ace_device *ace = bdev->bd_disk->private_data;
 	unsigned long flags;
 
 	dev_dbg(ace->dev, "ace_open() users=%i\n", ace->users + 1);
 
-	filp->private_data = ace;
 	spin_lock_irqsave(&ace->lock, flags);
 	ace->users++;
 	spin_unlock_irqrestore(&ace->lock, flags);
 
-	check_disk_change(inode->i_bdev);
+	check_disk_change(bdev);
 	return 0;
 }
 
-static int ace_release(struct inode *inode, struct file *filp)
+static int ace_release(struct gendisk *disk, fmode_t mode)
 {
-	struct ace_device *ace = inode->i_bdev->bd_disk->private_data;
+	struct ace_device *ace = disk->private_data;
 	unsigned long flags;
 	u16 val;
 
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index be20a67f1fa..80754cdd311 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -137,8 +137,7 @@ get_chipram( void )
     return;
 }
 
-static int
-z2_open( struct inode *inode, struct file *filp )
+static int z2_open(struct block_device *bdev, fmode_t mode)
 {
     int device;
     int max_z2_map = ( Z2RAM_SIZE / Z2RAM_CHUNKSIZE ) *
@@ -147,7 +146,7 @@ z2_open( struct inode *inode, struct file *filp )
 	sizeof( z2ram_map[0] );
     int rc = -ENOMEM;
 
-    device = iminor(inode);
+    device = MINOR(bdev->bd_dev);
 
     if ( current_device != -1 && current_device != device )
     {
@@ -299,7 +298,7 @@ err_out:
 }
 
 static int
-z2_release( struct inode *inode, struct file *filp )
+z2_release(struct gendisk *disk, fmode_t mode)
 {
     if ( current_device == -1 )
 	return 0;