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    Subject[PATCH 26/28] Driver core: allow to delay the uevent at device creation time
    Date
    From: Kay Sievers <kay.sievers@novell.com>

    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>
    ---
    drivers/base/core.c | 3 ++-
    include/linux/device.h | 3 ++-
    2 files changed, 4 insertions(+), 2 deletions(-)

    diff --git a/drivers/base/core.c b/drivers/base/core.c
    index 34ac187..e136142 100644
    --- 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 e1e164f..5ca1cdb 100644
    --- 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);
    };
    --
    1.4.4.4
    -
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