sched: Remove proliferation of wait_on_bit() action functions

[mirror_ubuntu-artful-kernel.git] / kernel / sched / wait.c

diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index 0ffa20ae657b5510b20425ad17acbf8390dcac51..a104879e88f2751478caaf7268a261ea1b6d4665 100644 (file)
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -502,3 +502,21 @@ void wake_up_atomic_t(atomic_t *p)
        __wake_up_bit(atomic_t_waitqueue(p), p, WAIT_ATOMIC_T_BIT_NR);
 }
 EXPORT_SYMBOL(wake_up_atomic_t);
+
+__sched int bit_wait(void *word)
+{
+       if (signal_pending_state(current->state, current))
+               return 1;
+       schedule();
+       return 0;
+}
+EXPORT_SYMBOL(bit_wait);
+
+__sched int bit_wait_io(void *word)
+{
+       if (signal_pending_state(current->state, current))
+               return 1;
+       io_schedule();
+       return 0;
+}
+EXPORT_SYMBOL(bit_wait_io);