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i2o_block: Convert to bdops->check_events()

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

i2o_block buffers media changed state and clears it after reporting.
It will behave correctly with kernel event polling.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
This commit is contained in:
Tejun Heo 2011-03-09 19:54:28 +01:00
parent 3a200911ad
commit f47350fdec
1 changed files with 7 additions and 4 deletions
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11
drivers/message/i2o/i2o_block.c
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@ -695,20 +695,22 @@ static int i2o_block_ioctl(struct block_device *bdev, fmode_t mode,
};
/**
* i2o_block_media_changed - Have we seen a media change?
* i2o_block_check_events - Have we seen a media change?
* @disk: gendisk which should be verified
* @clearing: events being cleared
*
* Verifies if the media has changed.
*
* Returns 1 if the media was changed or 0 otherwise.
*/
static int i2o_block_media_changed(struct gendisk *disk)
static unsigned int i2o_block_check_events(struct gendisk *disk,
unsigned int clearing)
{
struct i2o_block_device *p = disk->private_data;
if (p->media_change_flag) {
p->media_change_flag = 0;
return 1;
return DISK_EVENT_MEDIA_CHANGE;
}
return 0;
}
@ -950,7 +952,7 @@ static const struct block_device_operations i2o_block_fops = {
.ioctl = i2o_block_ioctl,
.compat_ioctl = i2o_block_ioctl,
.getgeo = i2o_block_getgeo,
.media_changed = i2o_block_media_changed
.check_events = i2o_block_check_events,
};
/**
@ -1002,6 +1004,7 @@ static struct i2o_block_device *i2o_block_device_alloc(void)
gd->major = I2O_MAJOR;
gd->queue = queue;
gd->fops = &i2o_block_fops;
gd->events = DISK_EVENT_MEDIA_CHANGE;
gd->private_data = dev;
dev->gd = gd;