Driver core: allow to delay the uevent at device creation time

For the block subsystem, we want to delay all uevents until the
disk has been scanned and allpartitons are already created before
the first event is sent out.

Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 34ac18778d8a30173a2eecef077cd04c819527c3..e13614241c9eeed951141d285bb5d8e041ded23c 100644 (file)
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -589,7 +589,8 @@ int device_add(struct device *dev)
                goto PMError;
        if ((error = bus_add_device(dev)))
                goto BusError;
-       kobject_uevent(&dev->kobj, KOBJ_ADD);
+       if (!dev->uevent_suppress)
+               kobject_uevent(&dev->kobj, KOBJ_ADD);
        if ((error = bus_attach_device(dev)))
                goto AttachError;
        if (parent)

diff --git a/include/linux/device.h b/include/linux/device.h
index e1e164f81eea3b5168d2310cb66deafb20fc9d08..5ca1cdba563a43b4bc05cbe99b313203822add6b 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -399,9 +399,10 @@ struct device {
 
        /* class_device migration path */
        struct list_head        node;
-       struct class            *class;         /* optional*/
+       struct class            *class;
        dev_t                   devt;           /* dev_t, creates the sysfs "dev" */
        struct attribute_group  **groups;       /* optional groups */
+       int                     uevent_suppress;
 
        void    (*release)(struct device * dev);
 };