filesetup: add native fallocate

[fio.git] / os / os-mac.h

diff --git a/os/os-mac.h b/os/os-mac.h
index 7de36ea79aa7b43a7f962796526cf000a2458527..a1536c70fabaf9e2de907eab9ffec0740f2bb3db 100644 (file)
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -20,6 +20,7 @@
 #define FIO_USE_GENERIC_INIT_RANDOM_STATE
 #define FIO_HAVE_GETTID
 #define FIO_HAVE_CHARDEV_SIZE
 #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
 
 
 #define OS_MAP_ANON            MAP_ANON
 


@@ -101,4 +102,15 @@ static inline int gettid(void)
  */
 extern int fdatasync(int fd);
 
  */
 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
 #endif