wait_for_completion_io_timeout(9) waits for completion of a task (w/timeout)

SYNOPSIS

unsigned long __sched wait_for_completion_io_timeout(struct completion * x, unsigned long timeout);

ARGUMENTS

x

holds the state of this particular completion

timeout

timeout value in jiffies

DESCRIPTION

This waits for either a completion of a specific task to be signaled or for a specified timeout to expire. The timeout is in jiffies. It is not interruptible. The caller is accounted as waiting for IO.

RETURN

0 if timed out, and positive (at least 1, or number of jiffies left till timeout) if completed.

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