futex_requeue_pi optimization

[powerpc.git] / include / linux / aio.h

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 3372ec6..43dc2eb 100644 (file)
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -105,6 +105,7 @@ struct kiocb {
        wait_queue_t            ki_wait;
        loff_t                  ki_pos;
 
+       atomic_t                ki_bio_count;   /* num bio used for this iocb */
        void                    *private;
        /* State that we remember to be able to restart/retry  */
        unsigned short          ki_opcode;
@@ -225,7 +226,8 @@ int FASTCALL(io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
                __put_ioctx(kioctx);                                    \
 } while (0)
 
-#define in_aio() !is_sync_wait(current->io_wait)
+#define in_aio() (unlikely(!is_sync_wait(current->io_wait)))
+
 /* may be used for debugging */
 #define warn_if_async()                                                        \
 do {                                                                   \