X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-linux.h;h=7be833bf067a5f81df3505fb2a74df4af4cdc265;hp=e1936342bd54fceac5b61d765a86adfacfdcf970;hb=0cfe20893afc994b3e105ea91a528f96af560199;hpb=df73aab128ff3f1ff5091fb0b5a0e7728f86499f

diff --git a/os/os-linux.h b/os/os-linux.h
index e1936342..7be833bf 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -6,6 +6,7 @@
 #include <sys/ioctl.h>
 #include <sys/uio.h>
 #include <sys/syscall.h>
+#include <sys/sysmacros.h>
 #include <sys/vfs.h>
 #include <sys/mman.h>
 #include <unistd.h>
@@ -17,6 +18,7 @@
 #include <linux/major.h>
 #include <byteswap.h>
 
+#include "./os-linux-syscall.h"
 #include "binject.h"
 #include "../file.h"
 
@@ -24,6 +26,7 @@
 #define FIO_HAVE_DISK_UTIL
 #define FIO_HAVE_SGIO
 #define FIO_HAVE_IOPRIO
+#define FIO_HAVE_IOPRIO_CLASS
 #define FIO_HAVE_IOSCHED_SWITCH
 #define FIO_HAVE_ODIRECT
 #define FIO_HAVE_HUGETLB
@@ -37,6 +40,8 @@
 #define FIO_HAVE_BINJECT
 #define FIO_HAVE_GETTID
 #define FIO_USE_GENERIC_INIT_RANDOM_STATE
+#define FIO_HAVE_PWRITEV2
+#define FIO_HAVE_SHM_ATTACH_REMOVED
 
 #ifdef MAP_HUGETLB
 #define FIO_HAVE_MMAP_HUGE
@@ -94,6 +99,12 @@ enum {
 #define IOPRIO_BITS		16
 #define IOPRIO_CLASS_SHIFT	13
 
+#define IOPRIO_MIN_PRIO		0	/* highest priority */
+#define IOPRIO_MAX_PRIO		7	/* lowest priority */
+
+#define IOPRIO_MIN_PRIO_CLASS	0
+#define IOPRIO_MAX_PRIO_CLASS	3
+
 static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
 {
 	/*
@@ -247,7 +258,7 @@ static inline int arch_cache_line_size(void)
 		return atoi(size);
 }
 
-static inline unsigned long long get_fs_size(const char *path)
+static inline unsigned long long get_fs_free_size(const char *path)
 {
 	unsigned long long ret;
 	struct statfs s;
@@ -282,4 +293,66 @@ static inline int fio_set_sched_idle(void)
 }
 #endif
 
+#ifndef POSIX_FADV_STREAMID
+#define POSIX_FADV_STREAMID	8
+#endif
+
+#define FIO_HAVE_STREAMID
+
+#ifndef RWF_HIPRI
+#define RWF_HIPRI	0x00000001
+#endif
+#ifndef RWF_DSYNC
+#define RWF_DSYNC	0x00000002
+#endif
+#ifndef RWF_SYNC
+#define RWF_SYNC	0x00000004
+#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)
+{
+	*pos_l = offset & 0xffffffff;
+	*pos_h = ((uint64_t) offset) >> 32;
+
+}
+static inline ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt,
+			      off_t offset, unsigned int flags)
+{
+	unsigned long pos_l, pos_h;
+
+	make_pos_h_l(&pos_h, &pos_l, offset);
+	return syscall(__NR_preadv2, fd, iov, iovcnt, pos_l, pos_h, flags);
+}
+static inline ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt,
+			       off_t offset, unsigned int flags)
+{
+	unsigned long pos_l, pos_h;
+
+	make_pos_h_l(&pos_h, &pos_l, offset);
+	return syscall(__NR_pwritev2, fd, iov, iovcnt, pos_l, pos_h, flags);
+}
+#else
+static inline ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt,
+			      off_t offset, unsigned int flags)
+{
+	errno = ENOSYS;
+	return -1;
+}
+static inline ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt,
+			       off_t offset, unsigned int flags)
+{
+	errno = ENOSYS;
+	return -1;
+}
+#endif /* __NR_preadv2 */
+#endif /* CONFIG_PWRITEV2 */
+
+static inline int shm_attach_to_open_removed(void)
+{
+	return 1;
+}
+
 #endif