From: Sebastian Ott Date: Mon, 7 Dec 2009 11:51:41 +0000 (+0100) Subject: [S390] cio: dont unregister a busy device in ccw_device_set_offline X-Git-Tag: v2.6.33-rc1~349^2~44 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d40f7b75a23d1e59b6ec9d6701231fd4c6992ac6;p=pandora-kernel.git [S390] cio: dont unregister a busy device in ccw_device_set_offline If we detect a busy subchannel after the driver's set_offline callback returned in ccw_device_set_offline, the current behavior is to unregister the device, which may lead to undesired consequences. Change this to just quiesce the subchannel and go on with the offline processing. Note: This is no excuse for not fixing these drivers - after the set_offline callback they should have no running IO! Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- Reading git-diff-tree failed