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| author | Daniel Stodden <daniel.stodden@citrix.com> | 2010-04-30 22:01:23 +0000 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-08-07 18:49:20 +0200 |
| commit | 7b32d1044ae791a1e53a53023bf2668438d5301b (patch) | |
| tree | 8e751d41c7754f8b89eb4076ae76e2e7b028f152 /drivers/block/xen-blkfront.c | |
| parent | acfca3c622a009fb62b566604452ab9fb3a11019 (diff) | |
| download | kernel-common-7b32d1044ae791a1e53a53023bf2668438d5301b.tar.gz kernel-common-7b32d1044ae791a1e53a53023bf2668438d5301b.tar.bz2 kernel-common-7b32d1044ae791a1e53a53023bf2668438d5301b.zip | |
blkfront: Remove obsolete info->users
This is just bd_openers, protected by the bd_mutex.
Signed-off-by: Daniel Stodden <daniel.stodden@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/block/xen-blkfront.c')
| -rw-r--r-- | drivers/block/xen-blkfront.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 9c5a25a462e6..b01167b6207a 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -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); |