forked from luck/tmp_suning_uos_patched
9p: send uevent after adding/removing mount_tag attribute
This driver adds an attribute to the existing virtio device so a CHANGE event is required in order udev rules to make use of it. The ADD event happens before this driver is probed and unlike a more typical driver like a block device there isn't a higher level device to watch for. Signed-off-by: Michael Marineau <michael.marineau@coreos.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
parent
b3f8ab4b79
commit
e0d6cb9cd3
|
@ -577,6 +577,10 @@ static int p9_virtio_probe(struct virtio_device *vdev)
|
|||
mutex_lock(&virtio_9p_lock);
|
||||
list_add_tail(&chan->chan_list, &virtio_chan_list);
|
||||
mutex_unlock(&virtio_9p_lock);
|
||||
|
||||
/* Let udev rules use the new mount_tag attribute. */
|
||||
kobject_uevent(&(vdev->dev.kobj), KOBJ_CHANGE);
|
||||
|
||||
return 0;
|
||||
|
||||
out_free_tag:
|
||||
|
@ -654,6 +658,7 @@ static void p9_virtio_remove(struct virtio_device *vdev)
|
|||
list_del(&chan->chan_list);
|
||||
mutex_unlock(&virtio_9p_lock);
|
||||
sysfs_remove_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr);
|
||||
kobject_uevent(&(vdev->dev.kobj), KOBJ_CHANGE);
|
||||
kfree(chan->tag);
|
||||
kfree(chan->vc_wq);
|
||||
kfree(chan);
|
||||
|
|
Loading…
Reference in New Issue
Block a user