Commit 7b32d104 authored by Daniel Stodden's avatar Daniel Stodden Committed by Jens Axboe
Browse files

blkfront: Remove obsolete info->users 



This is just bd_openers, protected by the bd_mutex.

Signed-off-by: default avatarDaniel Stodden <daniel.stodden@citrix.com>
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: default avatarJens Axboe <jaxboe@fusionio.com>
parent acfca3c6

drivers/block/xen-blkfront.c

+2 −8
Original line number Diff line number Diff line
@@ -96,12 +96,6 @@ struct blkfront_info 
	unsigned long shadow_free;

	int feature_barrier;

	int is_ready;



	/**

	 * The number of people holding this device open.  We won't allow a

	 * hot-unplug unless this is 0.

	 */

	int users;

};



static DEFINE_SPINLOCK(blkif_io_lock);
@@ -977,7 +971,7 @@ blkfront_closing(struct blkfront_info *info) 


	mutex_lock(&bdev->bd_mutex);



	if (info->users) {

	if (bdev->bd_openers) {

		xenbus_dev_error(xbdev, -EBUSY,

				 "Device in use; refusing to close");

		xenbus_switch_state(xbdev, XenbusStateClosing);
@@ -1126,7 +1120,7 @@ static int blkfront_remove(struct xenbus_device *xbdev) 
	mutex_lock(&bdev->bd_mutex);

	info = disk->private_data;



	if (info && !info->users) {

	if (info && !bdev->bd_openers) {

		xlvbd_release_gendisk(info);

		disk->private_data = NULL;

		kfree(info);

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