Android: add ioprio support
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/os/os-android.h b/os/os-android.h
index 3bb44b9..070aa1a 100644
--- a/os/os-android.h
+++ b/os/os-android.h
@@ -19,6 +19,7 @@
#define FIO_HAVE_DISK_UTIL
#define FIO_HAVE_IOSCHED_SWITCH
+#define FIO_HAVE_IOPRIO
#define FIO_HAVE_ODIRECT
#define FIO_HAVE_HUGETLB
#define FIO_HAVE_BLKTRACE
@@ -78,6 +79,27 @@
#define SPLICE_DEF_SIZE (64*1024)
+static inline int ioprio_set(int which, int who, int ioprio)
+{
+ return syscall(__NR_ioprio_set, which, who, ioprio);
+}
+
+enum {
+ IOPRIO_CLASS_NONE,
+ IOPRIO_CLASS_RT,
+ IOPRIO_CLASS_BE,
+ IOPRIO_CLASS_IDLE,
+};
+
+enum {
+ IOPRIO_WHO_PROCESS = 1,
+ IOPRIO_WHO_PGRP,
+ IOPRIO_WHO_USER,
+};
+
+#define IOPRIO_BITS 16
+#define IOPRIO_CLASS_SHIFT 13
+
#ifndef BLKGETSIZE64
#define BLKGETSIZE64 _IOR(0x12,114,size_t)
#endif