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authorSebastian Ott <sebott@linux.vnet.ibm.com>2011-12-01 13:32:19 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-12-01 13:32:17 +0100
commit817e5000ebc4d448ca514db49b55073a724f8552 (patch)
treeeea9284fcc6cd702161eff7611de394822329c30 /drivers/s390/cio/device.c
parentcfc9066bcd3ab498268e1d075f1556bb5244c0aa (diff)
[S390] hibernate: directly trigger subchannel evaluation
Using the generic css_schedule_eval to evaluate subchannels while resuming from hibernation is very slow when used with many devices. Provide a new evaluation trigger which exploits css_sched_sch_todo and use this in the resume callback for ccw devices. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device.c')
-rw-r--r--drivers/s390/cio/device.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index d734f4a0ecac..47269858ecb6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1868,9 +1868,9 @@ static void __ccw_device_pm_restore(struct ccw_device *cdev)
*/
cdev->private->flags.resuming = 1;
cdev->private->path_new_mask = LPM_ANYPATH;
- css_schedule_eval(sch->schid);
+ css_sched_sch_todo(sch, SCH_TODO_EVAL);
spin_unlock_irq(sch->lock);
- css_complete_work();
+ css_wait_for_slow_path();
/* cdev may have been moved to a different subchannel. */
sch = to_subchannel(cdev->dev.parent);