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xsysace: Convert to bdops->check_events() 

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

xsysace buffers media changed state and clears it on revalidation.  It
will behave correctly with kernel event polling.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kay Sievers <kay.sievers@vrfy.org>
This commit is contained in:
Tejun Heo 2011-03-09 19:54:28 +01:00
parent aaa7c01546
commit 3a200911ad
1 changed files with 5 additions and 4 deletions
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9
drivers/block/xsysace.c
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@ -867,12 +867,12 @@ static void ace_request(struct request_queue * q)
}
}
static int ace_media_changed(struct gendisk *gd)
static unsigned int ace_check_events(struct gendisk *gd, unsigned int clearing)
{
struct ace_device *ace = gd->private_data;
dev_dbg(ace->dev, "ace_media_changed(): %i\n", ace->media_change);
dev_dbg(ace->dev, "ace_check_events(): %i\n", ace->media_change);
return ace->media_change;
return ace->media_change ? DISK_EVENT_MEDIA_CHANGE : 0;
}
static int ace_revalidate_disk(struct gendisk *gd)
@ -953,7 +953,7 @@ static const struct block_device_operations ace_fops = {
.owner = THIS_MODULE,
.open = ace_open,
.release = ace_release,
.media_changed = ace_media_changed,
.check_events = ace_check_events,
.revalidate_disk = ace_revalidate_disk,
.getgeo = ace_getgeo,
};
@ -1005,6 +1005,7 @@ static int __devinit ace_setup(struct ace_device *ace)
ace->gd->major = ace_major;
ace->gd->first_minor = ace->id * ACE_NUM_MINORS;
ace->gd->fops = &ace_fops;
ace->gd->events = DISK_EVENT_MEDIA_CHANGE;
ace->gd->queue = ace->queue;
ace->gd->private_data = ace;
snprintf(ace->gd->disk_name, 32, "xs%c", ace->id + 'a');