dm ioctl: introduce flag indicating uevent was generated
commit76eeb36bb43163c0aa49be6c952e2f4246e7f582
authorPeter Rajnoha <prajnoha@redhat.com>
Sat, 6 Mar 2010 02:32:31 +0000 (6 02:32 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 26 Apr 2010 14:47:57 +0000 (26 07:47 -0700)
treec525c34a6dd217a88aadf82e3c678742f67c6f81
parentfaef0b851da169e44a842ab3b257a84857ac8f7f
dm ioctl: introduce flag indicating uevent was generated

commit 3abf85b5b5851b5f28d3d8a920ebb844edd08352 upstream.

Set a new DM_UEVENT_GENERATED_FLAG when returning from ioctls to
indicate that a uevent was actually generated.  This tells the userspace
caller that it may need to wait for the event to be processed.

Signed-off-by: Peter Rajnoha <prajnoha@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/md/dm-ioctl.c
drivers/md/dm.c
drivers/md/dm.h
include/linux/dm-ioctl.h