fs/sync.c: switch do_fsync() to fget_light()

switch do_fsync() to fget_light()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: SkipXS <sskkiipp@gmail.com>
cpu-tegra3.c: rework hotplug so nexus 7 stops to crawl

-fix min_online
-drop up_delay_multi
-introduce touch_online

Signed-off-by: SkipXS <sskkiipp@gmail.com>
cpu-tegra3.c: reset delay_count if touch event and cpu count is ok

Signed-off-by: SkipXS <sskkiipp@gmail.com>