Merge branch 'ioat-md-accel-for-linus' of git://lost.foo-projects.org/~dwillia2/git/iop

[pandora-kernel.git] / include / linux / aio_abi.h

diff --git a/include/linux/aio_abi.h b/include/linux/aio_abi.h
index e3ca0a4..9e01729 100644 (file)
--- a/include/linux/aio_abi.h
+++ b/include/linux/aio_abi.h
@@ -45,6 +45,14 @@ enum {
        IOCB_CMD_PWRITEV = 8,
 };
 
+/*
+ * Valid flags for the "aio_flags" member of the "struct iocb".
+ *
+ * IOCB_FLAG_RESFD - Set if the "aio_resfd" member of the "struct iocb"
+ *                   is valid.
+ */
+#define IOCB_FLAG_RESFD                (1 << 0)
+
 /* read() from /dev/aio returns these structures. */
 struct io_event {
        __u64           data;           /* the data field from the iocb */
@@ -84,7 +92,15 @@ struct iocb {
 
        /* extra parameters */
        __u64   aio_reserved2;  /* TODO: use this for a (struct sigevent *) */
-       __u64   aio_reserved3;
+
+       /* flags for the "struct iocb" */
+       __u32   aio_flags;
+
+       /*
+        * if the IOCB_FLAG_RESFD flag of "aio_flags" is set, this is an
+        * eventfd to signal AIO readiness to
+        */
+       __u32   aio_resfd;
 }; /* 64 bytes */
 
 #undef IFBIG