static void do_sync(unsigned long wait){
wakeup_pdflush(0);
sync_inodes(0);
DQUOT_SYNC(NULL);
sync_supers();
sync_filesystems(0);
sync_filesystems(wait);
sync_inodes(wait);
if (!wait)
printk("Emergency Sync complete\n");
if (unlikely(laptop_mode))
laptop_sync_completion();
}
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