On 10/03/2017 08:53 PM, Luis R. Rodriguez wrote: > Now that all filesystems which used to rely on kthread > freezing have been converted to filesystem freeze/thawing > we can remove the kernel kthread freezer. > > Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx> > --- > Documentation/power/freezing-of-tasks.txt | 9 ------ > drivers/xen/manage.c | 6 ---- > include/linux/freezer.h | 4 --- > kernel/power/hibernate.c | 10 ++----- > kernel/power/power.h | 20 +------------ > kernel/power/process.c | 47 ------------------------------- > kernel/power/user.c | 9 ------ > tools/power/pm-graph/analyze_suspend.py | 1 - > 8 files changed, 3 insertions(+), 103 deletions(-) > Weelll ... have you checked MD? It's using kernel threads, which probably should be stopped, too, when going into suspend. After all, MD might be doing on of it's internal operations (eg resync) at that time, which will generate quite some I/O. Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
