From a4af9b48cb480f5016947bbd3f396c265c7cb368 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 2 Mar 2008 09:27:55 -0500 Subject: [PATCH] [PATCH] switch floppy Signed-off-by: Al Viro --- drivers/block/floppy.c | 51 +++++++++++++++++++++--------------------- 1 file changed, 26 insertions(+), 25 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 72363df58953..14db747a636e 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, -- 2.30.2