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authorAl Viro <viro@zeniv.linux.org.uk>2008-03-02 09:27:55 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-21 07:47:49 -0400
commita4af9b48cb480f5016947bbd3f396c265c7cb368 (patch)
treec387f4af76dfc90156bb3760c6d554964f5e3d90 /drivers/block/floppy.c
parent47844fadb5050a6fb90924e73eb2dea1afd7fe33 (diff)
downloadop-kernel-dev-a4af9b48cb480f5016947bbd3f396c265c7cb368.zip
op-kernel-dev-a4af9b48cb480f5016947bbd3f396c265c7cb368.tar.gz
[PATCH] switch floppy
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r--drivers/block/floppy.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 72363df..14db747 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)->f_mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
+#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)
@@ -3682,17 +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;
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)) {
@@ -3700,15 +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_mode & FMODE_EXCL)))
+ if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (mode & FMODE_EXCL)))
goto out2;
- if (filp->f_mode & FMODE_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;
@@ -3743,9 +3743,10 @@ 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;
}
@@ -3753,15 +3754,15 @@ static int floppy_open(struct inode *inode, struct file *filp)
if (UFDCS->rawcmd == 1)
UFDCS->rawcmd = 2;
- if (!(filp->f_mode & FMODE_NDELAY)) {
- if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
+ 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 & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
+ if ((mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
goto out;
}
mutex_unlock(&open_lock);
@@ -3902,9 +3903,9 @@ static int floppy_revalidate(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 = check_floppy_change,
.revalidate_disk = floppy_revalidate,
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