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pktcdvd: Convert to bdops->check_events() 

Convert from ->media_changed() to ->check_events().

pktcdvd needs to forward all event related operations to the
underlying device.  Forward ->check_events() instead of
->media_changed() and inherit disk->[async_]events.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Peter Osterlund <petero2@telia.com>
This commit is contained in:
Tejun Heo 2011-03-09 19:54:28 +01:00
parent 6fac80e3aa
commit 3c0d206092
1 changed files with 9 additions and 4 deletions
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13
drivers/block/pktcdvd.c
View File

@ -2796,7 +2796,8 @@ static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
return ret;
}
static int pkt_media_changed(struct gendisk *disk)
static unsigned int pkt_check_events(struct gendisk *disk,
unsigned int clearing)
{
struct pktcdvd_device *pd = disk->private_data;
struct gendisk *attached_disk;
@ -2806,9 +2807,9 @@ static int pkt_media_changed(struct gendisk *disk)
if (!pd->bdev)
return 0;
attached_disk = pd->bdev->bd_disk;
if (!attached_disk)
if (!attached_disk || !attached_disk->fops->check_events)
return 0;
return attached_disk->fops->media_changed(attached_disk);
return attached_disk->fops->check_events(attached_disk, clearing);
}
static const struct block_device_operations pktcdvd_ops = {
@ -2816,7 +2817,7 @@ static const struct block_device_operations pktcdvd_ops = {
.open = pkt_open,
.release = pkt_close,
.ioctl = pkt_ioctl,
.media_changed = pkt_media_changed,
.check_events = pkt_check_events,
};
static char *pktcdvd_devnode(struct gendisk *gd, mode_t *mode)
@ -2889,6 +2890,10 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
if (ret)
goto out_new_dev;
/* inherit events of the host device */
disk->events = pd->bdev->bd_disk->events;
disk->async_events = pd->bdev->bd_disk->async_events;
add_disk(disk);
pkt_sysfs_dev_new(pd);