centos man page for wait_for_completion_io

WAIT_FOR_COMPLETION_(9) 					   Driver Basics					   WAIT_FOR_COMPLETION_(9)

NAME
       wait_for_completion_io - waits for completion of a task

SYNOPSIS
       void __sched wait_for_completion_io(struct completion * x);

ARGUMENTS
       x
	   holds the state of this particular completion

DESCRIPTION
       This waits to be signaled for completion of a specific task. It is NOT interruptible and there is no timeout. The caller is accounted as
       waiting for IO.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   WAIT_FOR_COMPLETION_(9)