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| author | Tejun Heo <tj@kernel.org> | 2011-03-09 19:54:28 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-03-09 19:54:28 +0100 |
| commit | 3c0d206092f50be82523dba2b0e0a02de9e6aad3 (patch) | |
| tree | 13df83cd499411325d7a05cd60d370dc6beec3db | |
| parent | umem: Drop dummy ->media_changed() (diff) | |
| download | linux-3c0d206092f50be82523dba2b0e0a02de9e6aad3.tar.xz linux-3c0d206092f50be82523dba2b0e0a02de9e6aad3.zip | |
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>
| -rw-r--r-- | drivers/block/pktcdvd.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 77d70eebb6b2..a077db27b7c9 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -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); |