diff options
| -rw-r--r-- | block/compat_ioctl.c | 73 |
1 files changed, 26 insertions, 47 deletions
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c index fd537fdb25a..504344d2902 100644 --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -71,8 +71,8 @@ static int compat_hdio_getgeo(struct gendisk *disk, struct block_device *bdev, return ret; } -static int compat_hdio_ioctl(struct inode *inode, struct file *file, - struct gendisk *disk, unsigned int cmd, unsigned long arg) +static int compat_hdio_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); unsigned long kval; @@ -80,7 +80,7 @@ static int compat_hdio_ioctl(struct inode *inode, struct file *file, int error; set_fs(KERNEL_DS); - error = blkdev_driver_ioctl(inode, file, disk, + error = __blkdev_driver_ioctl(bdev, mode, cmd, (unsigned long)(&kval)); set_fs(old_fs); @@ -111,8 +111,8 @@ struct compat_cdrom_generic_command { compat_caddr_t reserved[1]; }; -static int compat_cdrom_read_audio(struct inode *inode, struct file *file, - struct gendisk *disk, unsigned int cmd, unsigned long arg) +static int compat_cdrom_read_audio(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) { struct cdrom_read_audio __user *cdread_audio; struct compat_cdrom_read_audio __user *cdread_audio32; @@ -134,12 +134,12 @@ static int compat_cdrom_read_audio(struct inode *inode, struct file *file, if (put_user(datap, &cdread_audio->buf)) return -EFAULT; - return blkdev_driver_ioctl(inode, file, disk, cmd, + return __blkdev_driver_ioctl(bdev, mode, cmd, (unsigned long)cdread_audio); } -static int compat_cdrom_generic_command(struct inode *inode, struct file *file, - struct gendisk *disk, unsigned int cmd, unsigned long arg) +static int compat_cdrom_generic_command(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) { struct cdrom_generic_command __user *cgc; struct compat_cdrom_generic_command __user *cgc32; @@ -167,7 +167,7 @@ static int compat_cdrom_generic_command(struct inode *inode, struct file *file, put_user(compat_ptr(data), &cgc->reserved[0])) return -EFAULT; - return blkdev_driver_ioctl(inode, file, disk, cmd, (unsigned long)cgc); + return __blkdev_driver_ioctl(bdev, mode, cmd, (unsigned long)cgc); } struct compat_blkpg_ioctl_arg { @@ -308,8 +308,8 @@ static struct { #define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table) -static int compat_fd_ioctl(struct inode *inode, struct file *file, - struct gendisk *disk, unsigned int cmd, unsigned long arg) +static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); void *karg = NULL; @@ -413,7 +413,7 @@ static int compat_fd_ioctl(struct inode *inode, struct file *file, return -EINVAL; } set_fs(KERNEL_DS); - err = blkdev_driver_ioctl(inode, file, disk, kcmd, (unsigned long)karg); + err = __blkdev_driver_ioctl(bdev, mode, kcmd, (unsigned long)karg); set_fs(old_fs); if (err) goto out; @@ -579,8 +579,8 @@ static int compat_blk_trace_setup(struct block_device *bdev, char __user *arg) return 0; } -static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file, - struct gendisk *disk, unsigned cmd, unsigned long arg) +static int compat_blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode, + unsigned cmd, unsigned long arg) { int ret; @@ -596,7 +596,7 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file, case HDIO_GET_ACOUSTIC: case HDIO_GET_ADDRESS: case HDIO_GET_BUSSTATE: - return compat_hdio_ioctl(inode, file, disk, cmd, arg); + return compat_hdio_ioctl(bdev, mode, cmd, arg); case FDSETPRM32: case FDDEFPRM32: case FDGETPRM32: @@ -606,11 +606,11 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file, case FDPOLLDRVSTAT32: case FDGETFDCSTAT32: case FDWERRORGET32: - return compat_fd_ioctl(inode, file, disk, cmd, arg); + return compat_fd_ioctl(bdev, mode, cmd, arg); case CDROMREADAUDIO: - return compat_cdrom_read_audio(inode, file, disk, cmd, arg); + return compat_cdrom_read_audio(bdev, mode, cmd, arg); case CDROM_SEND_PACKET: - return compat_cdrom_generic_command(inode, file, disk, cmd, arg); + return compat_cdrom_generic_command(bdev, mode, cmd, arg); /* * No handler required for the ones below, we just need to @@ -679,40 +679,16 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file, case DVD_WRITE_STRUCT: case DVD_AUTH: arg = (unsigned long)compat_ptr(arg); - /* These intepret arg as an unsigned long, not as a pointer, - * so we must not do compat_ptr() conversion. */ - case HDIO_SET_MULTCOUNT: - case HDIO_SET_UNMASKINTR: - case HDIO_SET_KEEPSETTINGS: - case HDIO_SET_32BIT: - case HDIO_SET_NOWERR: - case HDIO_SET_DMA: - case HDIO_SET_PIO_MODE: - case HDIO_SET_NICE: - case HDIO_SET_WCACHE: - case HDIO_SET_ACOUSTIC: - case HDIO_SET_BUSSTATE: - case HDIO_SET_ADDRESS: - case CDROMEJECT_SW: - case CDROM_SET_OPTIONS: - case CDROM_CLEAR_OPTIONS: - case CDROM_SELECT_SPEED: - case CDROM_SELECT_DISC: - case CDROM_MEDIA_CHANGED: - case CDROM_DRIVE_STATUS: - case CDROM_LOCKDOOR: - case CDROM_DEBUG: break; default: /* unknown ioctl number */ return -ENOIOCTLCMD; } - return __blkdev_driver_ioctl(inode->i_bdev, file->f_mode, cmd, arg); + return __blkdev_driver_ioctl(bdev, mode, cmd, arg); } -static int compat_blkdev_locked_ioctl(struct inode *inode, struct file *file, - struct block_device *bdev, +static int compat_blkdev_locked_ioctl(struct block_device *bdev, unsigned cmd, unsigned long arg) { struct backing_dev_info *bdi; @@ -772,6 +748,9 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) struct inode *inode = file->f_mapping->host; struct block_device *bdev = inode->i_bdev; struct gendisk *disk = bdev->bd_disk; + fmode_t mode = file->f_mode; + if (file->f_flags & O_NDELAY) + mode |= FMODE_NDELAY_NOW; switch (cmd) { case HDIO_GETGEO: @@ -794,13 +773,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) } lock_kernel(); - ret = compat_blkdev_locked_ioctl(inode, file, bdev, cmd, arg); + ret = compat_blkdev_locked_ioctl(bdev, cmd, arg); unlock_kernel(); if (ret == -ENOIOCTLCMD && disk->fops->compat_ioctl) - ret = disk->fops->compat_ioctl(bdev, file->f_mode, cmd, arg); + ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg); if (ret != -ENOIOCTLCMD) return ret; - return compat_blkdev_driver_ioctl(inode, file, disk, cmd, arg); + return compat_blkdev_driver_ioctl(bdev, mode, cmd, arg); } |