X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-mac.h;h=0b9c870761df96677a90a80f183a1c850fec2a36;hp=0903a6fec5c4cd508ff5fefeca69a7e0b9652063;hb=d5495f0b72f8fbecb97192da430720aa56f8feb9;hpb=c7334fa3f3be87854354044615b0c0e473c50713

diff --git a/os/os-mac.h b/os/os-mac.h
index 0903a6fe..0b9c8707 100644
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -16,10 +16,10 @@
 
 #include "../file.h"
 
-#define FIO_USE_GENERIC_RAND
 #define FIO_USE_GENERIC_INIT_RANDOM_STATE
 #define FIO_HAVE_GETTID
 #define FIO_HAVE_CHARDEV_SIZE
+#define FIO_HAVE_NATIVE_FALLOCATE
 
 #define OS_MAP_ANON		MAP_ANON
 
@@ -40,9 +40,9 @@ typedef unsigned int clockid_t;
 #endif
 
 #define FIO_OS_DIRECTIO
-static inline int fio_set_odirect(int fd)
+static inline int fio_set_odirect(struct fio_file *f)
 {
-	if (fcntl(fd, F_NOCACHE, 1) == -1)
+	if (fcntl(f->fd, F_NOCACHE, 1) == -1)
 		return errno;
 	return 0;
 }
@@ -77,7 +77,7 @@ static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
 
 static inline int blockdev_invalidate_cache(struct fio_file *f)
 {
-	return EINVAL;
+	return ENOTSUP;
 }
 
 static inline unsigned long long os_phys_mem(void)
@@ -101,4 +101,15 @@ static inline int gettid(void)
  */
 extern int fdatasync(int fd);
 
+static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
+{
+	fstore_t store = {F_ALLOCATEALL, F_PEOFPOSMODE, offset, len};
+	if (fcntl(f->fd, F_PREALLOCATE, &store) != -1) {
+		if (ftruncate(f->fd, len) == 0)
+			return true;
+	}
+
+	return false;
+}
+
 #endif