[PATCH] switch amiflop

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 26 insertions, 24 deletions

diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index d5da4e3cb2a..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 & (FMODE_READ|FMODE_WRITE)) {
-                check_disk_change(inode->i_bdev);
-                if (filp->f_mode & FMODE_WRITE ) {
+        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);
@@ -1648,9 +1650,9 @@ static int amiga_floppy_change(struct gendisk *disk)
 
 static struct block_device_operations floppy_fops = {
         .owner          = THIS_MODULE,
-        .__open         = floppy_open,
-        .__release      = floppy_release,
-        .__ioctl                = fd_ioctl,
+        .open           = floppy_open,
+        .release        = floppy_release,
+        .locked_ioctl   = fd_ioctl,
         .getgeo         = fd_getgeo,
         .media_changed  = amiga_floppy_change,
 };