Commit 0f3649a9 authored Mar 06, 2010 by Mike Snitzer Committed by Alasdair G Kergon Mar 06, 2010

dm ioctl: only issue uevent on resume if state changed



Only issue a uevent on a resume if the state of the device changed,
i.e. if it was suspended and/or its table was replaced.

Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

parent ede5ea0b

drivers/md/dm-ioctl.c

+5 −4

Original line number	Diff line number	Diff line
		@@ -897,16 +897,17 @@ static int do_resume(struct dm_ioctl *param)
		set_disk_ro(dm_disk(md), 1);
		}

		if (dm_suspended_md(md))
		if (dm_suspended_md(md)) {
		r = dm_resume(md);
		if (!r)
		dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr);
		}

		if (old_map)
		dm_table_destroy(old_map);

		if (!r) {
		dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr);
		if (!r)
		r = __dev_status(md, param);
		}

		dm_put(md);
		return r;