[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] blkfront: add uevent for size change
When a blkfront device is resized from dom0, emit a KOBJ_CHANGE uevent to notify the guest about the change. This allows for custom udev rules, such as automatically resizing a filesystem, when an event occurs. Signed-off-by: Marc Olson <marcolso@xxxxxxxxxx> --- drivers/block/xen-blkfront.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 2fee2ee..66abf9c 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1996,6 +1996,7 @@ static void blkfront_connect(struct blkfront_info *info) unsigned long sector_size; unsigned int physical_sector_size; unsigned int binfo; + char *envp[] = { "RESIZE=1", NULL }; int err; switch (info->connected) { @@ -2012,6 +2013,8 @@ static void blkfront_connect(struct blkfront_info *info) sectors); set_capacity(info->gd, sectors); revalidate_disk(info->gd); + kobject_uevent_env(&disk_to_dev(info->gd)->kobj, + KOBJ_CHANGE, envp); return; case BLKIF_STATE_SUSPENDED: -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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