From 37732ea82e0921657b54b71aa8856675305e1b91 Mon Sep 17 00:00:00 2001 From: Daniel Wagner Date: Thu, 11 Mar 2021 16:19:17 +0100 Subject: [PATCH] block: Suppress uevent for hidden device when removed [ Upstream commit 9ec491447b90ad6a4056a9656b13f0b3a1e83043 ] register_disk() suppress uevents for devices with the GENHD_FL_HIDDEN but enables uevents at the end again in order to announce disk after possible partitions are created. When the device is removed the uevents are still on and user land sees 'remove' messages for devices which were never 'add'ed to the system. KERNEL[95481.571887] remove /devices/virtual/nvme-fabrics/ctl/nvme5/nvme0c5n1 (block) Let's suppress the uevents for GENHD_FL_HIDDEN by not enabling the uevents at all. Signed-off-by: Daniel Wagner Reviewed-by: Christoph Hellwig Reviewed-by: Martin Wilck Link: https://lore.kernel.org/r/20210311151917.136091-1-dwagner@suse.de Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/genhd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 604f0a2cbc9a..2f6f341a8fbb 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -637,10 +637,8 @@ static void register_disk(struct device *parent, struct gendisk *disk, disk->part0.holder_dir = kobject_create_and_add("holders", &ddev->kobj); disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj); - if (disk->flags & GENHD_FL_HIDDEN) { - dev_set_uevent_suppress(ddev, 0); + if (disk->flags & GENHD_FL_HIDDEN) return; - } /* No minors to use for partitions */ if (!disk_part_scan_enabled(disk))