X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-linux.h;h=e7d600dd58cbb3f6ffd1e43f5516fdd6fc0bd18a;hp=695e9dad0fc04204b20f94901be68801581c3904;hb=2c3e17be;hpb=7b5c648f6a5c05716e2f345c9d640965abda8761

diff --git a/os/os-linux.h b/os/os-linux.h
index 695e9dad..e7d600dd 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -16,6 +16,8 @@
 #include <linux/unistd.h>
 #include <linux/raw.h>
 #include <linux/major.h>
+#include <linux/fs.h>
+#include <scsi/sg.h>
 
 #include "./os-linux-syscall.h"
 #include "binject.h"
@@ -258,6 +260,14 @@ static inline int arch_cache_line_size(void)
 		return atoi(size);
 }
 
+#ifdef __powerpc64__
+#define FIO_HAVE_CPU_ONLINE_SYSCONF
+static inline unsigned int cpus_online(void)
+{
+        return sysconf(_SC_NPROCESSORS_CONF);
+}
+#endif
+
 static inline unsigned long long get_fs_free_size(const char *path)
 {
 	unsigned long long ret;
@@ -293,11 +303,26 @@ static inline int fio_set_sched_idle(void)
 }
 #endif
 
-#ifndef POSIX_FADV_STREAMID
-#define POSIX_FADV_STREAMID	8
+#ifndef F_GET_RW_HINT
+#ifndef F_LINUX_SPECIFIC_BASE
+#define F_LINUX_SPECIFIC_BASE	1024
+#endif
+#define F_GET_RW_HINT		(F_LINUX_SPECIFIC_BASE + 11)
+#define F_SET_RW_HINT		(F_LINUX_SPECIFIC_BASE + 12)
+#define F_GET_FILE_RW_HINT	(F_LINUX_SPECIFIC_BASE + 13)
+#define F_SET_FILE_RW_HINT	(F_LINUX_SPECIFIC_BASE + 14)
+#endif
+
+#ifndef RWH_WRITE_LIFE_NONE
+#define RWH_WRITE_LIFE_NOT_SET	0
+#define RWH_WRITE_LIFE_NONE	1
+#define RWH_WRITE_LIFE_SHORT	2
+#define RWH_WRITE_LIFE_MEDIUM	3
+#define RWH_WRITE_LIFE_LONG	4
+#define RWH_WRITE_LIFE_EXTREME	5
 #endif
 
-#define FIO_HAVE_STREAMID
+#define FIO_HAVE_WRITE_HINT
 
 #ifndef RWF_HIPRI
 #define RWF_HIPRI	0x00000001
@@ -309,17 +334,23 @@ static inline int fio_set_sched_idle(void)
 #define RWF_SYNC	0x00000004
 #endif
 
+#ifndef RWF_WRITE_LIFE_SHIFT
+#define RWF_WRITE_LIFE_SHIFT		4
+#define RWF_WRITE_LIFE_SHORT		(1 << RWF_WRITE_LIFE_SHIFT)
+#define RWF_WRITE_LIFE_MEDIUM		(2 << RWF_WRITE_LIFE_SHIFT)
+#define RWF_WRITE_LIFE_LONG		(3 << RWF_WRITE_LIFE_SHIFT)
+#define RWF_WRITE_LIFE_EXTREME		(4 << RWF_WRITE_LIFE_SHIFT)
+#endif
+
 #ifndef CONFIG_PWRITEV2
 #ifdef __NR_preadv2
 static inline void make_pos_h_l(unsigned long *pos_h, unsigned long *pos_l,
 				off_t offset)
 {
 #if BITS_PER_LONG == 64
-#warning 64
 	*pos_l = offset;
 	*pos_h = 0;
 #else
-#warning 32
 	*pos_l = offset & 0xffffffff;
 	*pos_h = ((uint64_t) offset) >> 32;
 #endif
@@ -361,4 +392,22 @@ static inline int shm_attach_to_open_removed(void)
 	return 1;
 }
 
+#ifdef CONFIG_LINUX_FALLOCATE
+#define FIO_HAVE_NATIVE_FALLOCATE
+static inline bool fio_fallocate(struct fio_file *f, uint64_t offset,
+				 uint64_t len)
+{
+	int ret;
+	ret = fallocate(f->fd, 0, 0, len);
+	if (ret == 0)
+		return true;
+
+	/* Work around buggy old glibc versions... */
+	if (ret > 0)
+		errno = ret;
+
+	return false;
+}
+#endif
+
 #endif