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Date: Tue, 28 Dec 2010 18:29:07 +0100 From: Tejun Heo <tj@...nel.org> To: axboe@...nel.dk, linux-kernel@...r.kernel.org, kay.sievers@...y.org, hch@...radead.org Cc: Tejun Heo <tj@...nel.org>, Grant Likely <grant.likely@...retlab.ca> Subject: [PATCH 11/16] 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@...nel.org> Cc: Jens Axboe <axboe@...nel.dk> Cc: Kay Sievers <kay.sievers@...y.org> Cc: Grant Likely <grant.likely@...retlab.ca> --- 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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