Re: [PATCH 11/16] xsysace: convert to bdops->check_events()

From: Grant Likely
Date: Wed Dec 29 2010 - 01:38:01 EST


On Tue, Dec 28, 2010 at 06:29:07PM +0100, Tejun Heo wrote:
> 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@xxxxxxxxxx>
> Cc: Jens Axboe <axboe@xxxxxxxxx>
> Cc: Kay Sievers <kay.sievers@xxxxxxxx>
> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>

Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx>

g.

> ---
> drivers/block/xsysace.c | 9 +++++----
> 1 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
> index 829161e..16a2fa9 100644
> --- a/drivers/block/xsysace.c
> +++ b/drivers/block/xsysace.c
> @@ -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');
> --
> 1.7.1
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/