On Mon, Mar 19, 2018 at 04:01:41PM +0100, Martin Wilck wrote:
> Paths that are already classified as DM_MULTIPATH_DEVICE_PATH don't
> need to be retriggered.
>
Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
> Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
> ---
> libmultipath/configure.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/libmultipath/configure.c b/libmultipath/configure.c
> index 245bd11672cb..838d145a5aa2 100644
> --- a/libmultipath/configure.c
> +++ b/libmultipath/configure.c
> @@ -456,8 +456,20 @@ trigger_paths_udev_change(const struct multipath *mpp)
> if (!pgp->paths)
> continue;
> vector_foreach_slot(pgp->paths, pp, j) {
> + const char *env;
> +
> if (!pp->udev)
> continue;
> + /*
> + * Paths that are already classified as multipath
> + * members don't need another uevent.
> + */
> + env = udev_device_get_property_value(
> + pp->udev, "DM_MULTIPATH_DEVICE_PATH");
> + if (env != NULL && !strcmp(env, "1"))
> + continue;
> +
> + condlog(4, "triggering change uevent for %s", pp->dev);
> sysfs_attr_set_value(pp->udev, "uevent", "change",
> strlen("change"));
> }
> --
> 2.16.1
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