[PATCH] switch tape_block

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

1 files changed, 13 insertions, 16 deletions

diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index f1a741c9a6f0..023803dbb0c7 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -43,18 +43,18 @@
 /*
  * file operation structure for tape block frontend
  */
-static int tapeblock_open(struct inode *, struct file *);
-static int tapeblock_release(struct inode *, struct file *);
-static int tapeblock_ioctl(struct inode *, struct file *, unsigned int,
+static int tapeblock_open(struct block_device *, fmode_t);
+static int tapeblock_release(struct gendisk *, fmode_t);
+static int tapeblock_ioctl(struct block_device *, fmode_t, unsigned int,
                                 unsigned long);
 static int tapeblock_medium_changed(struct gendisk *);
 static int tapeblock_revalidate_disk(struct gendisk *);
 
 static struct block_device_operations tapeblock_fops = {
         .owner           = THIS_MODULE,
-        .__open          = tapeblock_open,
-        .__release       = tapeblock_release,
-        .__ioctl           = tapeblock_ioctl,
+        .open            = tapeblock_open,
+        .release         = tapeblock_release,
+        .locked_ioctl           = tapeblock_ioctl,
         .media_changed   = tapeblock_medium_changed,
         .revalidate_disk = tapeblock_revalidate_disk,
 };
@@ -364,13 +364,12 @@ tapeblock_medium_changed(struct gendisk *disk)
  * Block frontend tape device open function.
  */
 static int
-tapeblock_open(struct inode *inode, struct file *filp)
+tapeblock_open(struct block_device *bdev, fmode_t mode)
 {
-        struct gendisk *        disk;
+        struct gendisk *        disk = bdev->bd_disk;
         struct tape_device *    device;
         int                     rc;
 
-        disk   = inode->i_bdev->bd_disk;
         device = tape_get_device_reference(disk->private_data);
 
         if (device->required_tapemarks) {
@@ -410,9 +409,8 @@ release:
  *       we just get the pointer here and release the reference.
  */
 static int
-tapeblock_release(struct inode *inode, struct file *filp)
+tapeblock_release(struct gendisk *disk, fmode_t mode)
 {
-        struct gendisk *disk = inode->i_bdev->bd_disk;
         struct tape_device *device = disk->private_data;
 
         tape_state_set(device, TS_IN_USE);
@@ -427,22 +425,21 @@ tapeblock_release(struct inode *inode, struct file *filp)
  */
 static int
 tapeblock_ioctl(
-        struct inode *          inode,
-        struct file *           file,
+        struct block_device *   bdev,
+        fmode_t                 mode,
         unsigned int            command,
         unsigned long           arg
 ) {
         int rc;
         int minor;
-        struct gendisk *disk;
+        struct gendisk *disk = bdev->bd_disk;
         struct tape_device *device;
 
         rc     = 0;
-        disk   = inode->i_bdev->bd_disk;
         BUG_ON(!disk);
         device = disk->private_data;
         BUG_ON(!device);
-        minor  = iminor(inode);
+        minor  = MINOR(bdev->bd_dev);
 
         DBF_LH(6, "tapeblock_ioctl(0x%0x)\n", command);
         DBF_LH(6, "device = %d:%d\n", tapeblock_major, minor);