Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751232Ab3HKEyP (ORCPT ); Sun, 11 Aug 2013 00:54:15 -0400 Received: from mail-vc0-f176.google.com ([209.85.220.176]:60572 "EHLO mail-vc0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750947Ab3HKEyM (ORCPT ); Sun, 11 Aug 2013 00:54:12 -0400 From: Michael Marineau To: Eric Van Hensbergen Cc: Michael Marineau , v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: [PATCH] 9p: send uevent after adding/removing mount_tag attribute Date: Sun, 11 Aug 2013 00:53:45 -0400 Message-Id: <1376196825-19793-1-git-send-email-michael.marineau@coreos.com> X-Mailer: git-send-email 1.8.1.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1464 Lines: 41 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 --- net/9p/trans_virtio.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index e1c26b1..990afab 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -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); -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/