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[PATCH] switch tape_block

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2008-03-02 10:39:59 -05:00
parent 46d74326e6
commit 4e999af9b2
1 changed files with 13 additions and 16 deletions
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29
drivers/s390/char/tape_block.c
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@ -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);