X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos-linux.h;h=081f5d6c632b57ae322ff93e8d39d5c985b14e9e;hb=f681d0bac9c42e5d6bcb3601d2f3cfaa1c2cefb4;hp=9b7ff29e50af7f07d656cf3e763e7fafe409a669;hpb=eebd2f2d8a022a248acac5685f73665aa0c6ee99;p=fio.git

diff --git a/os/os-linux.h b/os/os-linux.h
index 9b7ff29e..081f5d6c 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -116,8 +116,31 @@ static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
 
 #define FIO_MAX_CPUS			CPU_SETSIZE
 
-static inline int ioprio_set(int which, int who, int 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
+
+static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
 {
+	/*
+	 * If no class is set, assume BE
+	 */
+	if (!ioprio_class)
+		ioprio_class = IOPRIO_CLASS_BE;
+
+	ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
 	return syscall(__NR_ioprio_set, which, who, ioprio);
 }
 
@@ -191,22 +214,6 @@ static inline long umem_add(unsigned long *uptr, unsigned long inc)
 }
 #endif /* FIO_HAVE_SYSLET */
 
-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