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linux-2.6
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[PATCH] switch cdrom_{open,release,ioctl} to sane APIs 

... convert to it in callers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2007-10-07 17:54:28 -04:00
parent 08f8585121
commit bbc1cc9784
7 changed files with 38 additions and 36 deletions
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8
drivers/block/paride/pcd.c
View File

@ -226,20 +226,22 @@ static int pcd_warned; /* Have we logged a phase warning ? */
static int pcd_block_open(struct inode *inode, struct file *file)
{
struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
return cdrom_open(&cd->info, inode, file);
return cdrom_open(&cd->info, inode->i_bdev, file->f_mode);
}
static int pcd_block_release(struct inode *inode, struct file *file)
{
struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
return cdrom_release(&cd->info, file);
cdrom_release(&cd->info, file ? file->f_mode : 0);
return 0;
}
static int pcd_block_ioctl(struct inode *inode, struct file *file,
unsigned cmd, unsigned long arg)
{
struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
return cdrom_ioctl(file, &cd->info, inode, cmd, arg);
return cdrom_ioctl(&cd->info, inode->i_bdev,
file ? file->f_mode : 0, cmd, arg);
}
static int pcd_block_media_changed(struct gendisk *disk)

23
drivers/cdrom/cdrom.c
View File

@ -973,7 +973,7 @@ static int cdrom_close_write(struct cdrom_device_info *cdi)
* is in their own interest: device control becomes a lot easier
* this way.
*/
int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev, fmode_t mode)
{
int ret;
@ -982,14 +982,14 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
/* if this was a O_NONBLOCK open and we should honor the flags,
* do a quick open without drive/disc integrity checks. */
cdi->use_count++;
if ((fp->f_mode & FMODE_NDELAY) && (cdi->options & CDO_USE_FFLAGS)) {
if ((mode & FMODE_NDELAY) && (cdi->options & CDO_USE_FFLAGS)) {
ret = cdi->ops->open(cdi, 1);
} else {
ret = open_for_data(cdi);
if (ret)
goto err;
cdrom_mmc3_profile(cdi);
if (fp->f_mode & FMODE_WRITE) {
if (mode & FMODE_WRITE) {
ret = -EROFS;
if (cdrom_open_write(cdi))
goto err_release;
@ -1007,7 +1007,7 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
cdi->name, cdi->use_count);
/* Do this on open. Don't wait for mount, because they might
not be mounting, but opening with O_NONBLOCK */
check_disk_change(ip->i_bdev);
check_disk_change(bdev);
return 0;
err_release:
if (CDROM_CAN(CDC_LOCK) && cdi->options & CDO_LOCK) {
@ -1184,7 +1184,7 @@ static int check_for_audio_disc(struct cdrom_device_info * cdi,
return 0;
}
int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode)
{
struct cdrom_device_ops *cdo = cdi->ops;
int opened_for_data;
@ -1205,7 +1205,7 @@ int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
}
opened_for_data = !(cdi->options & CDO_USE_FFLAGS) ||
!(fp && fp->f_mode & FMODE_NDELAY);
!(mode & FMODE_NDELAY);
/*
* flush cache on last write release
@ -1219,7 +1219,6 @@ int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
cdi->options & CDO_AUTO_EJECT && CDROM_CAN(CDC_OPEN_TRAY))
cdo->tray_move(cdi, 1);
}
return 0;
}
static int cdrom_read_mech_status(struct cdrom_device_info *cdi,
@ -2662,17 +2661,17 @@ static int cdrom_ioctl_audioctl(struct cdrom_device_info *cdi,
* these days.
* ATAPI / SCSI specific code now mainly resides in mmc_ioctl().
*/
int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi,
struct inode *ip, unsigned int cmd, unsigned long arg)
int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
fmode_t mode, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int ret;
struct gendisk *disk = ip->i_bdev->bd_disk;
struct gendisk *disk = bdev->bd_disk;
/*
* Try the generic SCSI command ioctl's first.
*/
ret = scsi_cmd_ioctl(disk->queue, disk, file ? file->f_mode : 0, cmd, argp);
ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
if (ret != -ENOTTY)
return ret;
@ -2696,7 +2695,7 @@ int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi,
case CDROM_SELECT_DISC:
return cdrom_ioctl_select_disc(cdi, arg);
case CDROMRESET:
return cdrom_ioctl_reset(cdi, ip->i_bdev);
return cdrom_ioctl_reset(cdi, bdev);
case CDROM_LOCKDOOR:
return cdrom_ioctl_lock_door(cdi, arg);
case CDROM_DEBUG:

7
drivers/cdrom/gdrom.c
View File

@ -492,12 +492,12 @@ static struct cdrom_device_ops gdrom_ops = {
static int gdrom_bdops_open(struct inode *inode, struct file *file)
{
return cdrom_open(gd.cd_info, inode, file);
return cdrom_open(gd.cd_info, inode->i_bdev, file->f_mode);
}
static int gdrom_bdops_release(struct inode *inode, struct file *file)
{
return cdrom_release(gd.cd_info, file);
return cdrom_release(gd.cd_info, file ? file->f_mode : 0);
}
static int gdrom_bdops_mediachanged(struct gendisk *disk)
@ -508,7 +508,8 @@ static int gdrom_bdops_mediachanged(struct gendisk *disk)
static int gdrom_bdops_ioctl(struct inode *inode, struct file *file,
unsigned cmd, unsigned long arg)
{
return cdrom_ioctl(file, gd.cd_info, inode, cmd, arg);
return cdrom_ioctl(gd.cd_info, inode->i_bdev,
file ? file->f_mode : 0, cmd, arg);
}
static struct block_device_operations gdrom_bdops = {

8
drivers/cdrom/viocd.c
View File

@ -154,20 +154,22 @@ static const struct file_operations proc_viocd_operations = {
static int viocd_blk_open(struct inode *inode, struct file *file)
{
struct disk_info *di = inode->i_bdev->bd_disk->private_data;
return cdrom_open(&di->viocd_info, inode, file);
return cdrom_open(&di->viocd_info, inode->i_bdev, file->f_mode);
}
static int viocd_blk_release(struct inode *inode, struct file *file)
{
struct disk_info *di = inode->i_bdev->bd_disk->private_data;
return cdrom_release(&di->viocd_info, file);
cdrom_release(&di->viocd_info, file ? file->f_mode : 0);
return 0;
}
static int viocd_blk_ioctl(struct inode *inode, struct file *file,
unsigned cmd, unsigned long arg)
{
struct disk_info *di = inode->i_bdev->bd_disk->private_data;
return cdrom_ioctl(file, &di->viocd_info, inode, cmd, arg);
return cdrom_ioctl(&di->viocd_info, inode->i_bdev,
file ? file->f_mode : 0, cmd, arg);
}
static int viocd_blk_media_changed(struct gendisk *disk)

7
drivers/ide/ide-cd.c
View File

@ -2099,7 +2099,7 @@ static int idecd_open(struct inode *inode, struct file *file)
if (!info)
return -ENXIO;
rc = cdrom_open(&info->devinfo, inode, file);
rc = cdrom_open(&info->devinfo, inode->i_bdev, file->f_mode);
if (rc < 0)
ide_cd_put(info);
@ -2112,7 +2112,7 @@ static int idecd_release(struct inode *inode, struct file *file)
struct gendisk *disk = inode->i_bdev->bd_disk;
struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
cdrom_release(&info->devinfo, file);
cdrom_release(&info->devinfo, file ? file->f_mode : 0);
ide_cd_put(info);
@ -2176,7 +2176,8 @@ static int idecd_ioctl(struct inode *inode, struct file *file,
err = generic_ide_ioctl(info->drive, bdev, cmd, arg);
if (err == -EINVAL)
err = cdrom_ioctl(file, &info->devinfo, inode, cmd, arg);
err = cdrom_ioctl(&info->devinfo, bdev,
file ? file->f_mode : 0, cmd, arg);
return err;
}

11
drivers/scsi/sr.c
View File

@ -480,7 +480,7 @@ static int sr_block_open(struct inode *inode, struct file *file)
if(!(cd = scsi_cd_get(disk)))
return -ENXIO;
if((ret = cdrom_open(&cd->cdi, inode, file)) != 0)
if((ret = cdrom_open(&cd->cdi, inode->i_bdev, file->f_mode)) != 0)
scsi_cd_put(cd);
return ret;
@ -488,12 +488,8 @@ static int sr_block_open(struct inode *inode, struct file *file)
static int sr_block_release(struct inode *inode, struct file *file)
{
int ret;
struct scsi_cd *cd = scsi_cd(inode->i_bdev->bd_disk);
ret = cdrom_release(&cd->cdi, file);
if(ret)
return ret;
cdrom_release(&cd->cdi, file ? file->f_mode : 0);
scsi_cd_put(cd);
return 0;
@ -517,7 +513,8 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
return scsi_ioctl(sdev, cmd, argp);
}
ret = cdrom_ioctl(file, &cd->cdi, inode, cmd, arg);
ret = cdrom_ioctl(&cd->cdi, inode->i_bdev,
file ? file->f_mode : 0, cmd, arg);
if (ret != -ENOSYS)
return ret;

10
include/linux/cdrom.h
View File

@ -987,11 +987,11 @@ struct cdrom_device_ops {
};
/* the general block_device operations structure: */
extern int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip,
struct file *fp);
extern int cdrom_release(struct cdrom_device_info *cdi, struct file *fp);
extern int cdrom_ioctl(struct file *file, struct cdrom_device_info *cdi,
struct inode *ip, unsigned int cmd, unsigned long arg);
extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev,
fmode_t mode);
extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode);
extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
fmode_t mode, unsigned int cmd, unsigned long arg);
extern int cdrom_media_changed(struct cdrom_device_info *);
extern int register_cdrom(struct cdrom_device_info *cdi);