Merge branch 'minor_fixes' of https://github.com/sitsofe/fio

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

diff --git a/os/os-mac.h b/os/os-mac.h
index 0903a6fec5c4cd508ff5fefeca69a7e0b9652063..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_HAVE_NATIVE_FALLOCATE
 
 #define OS_MAP_ANON            MAP_ANON
 
@@ -77,7 +78,7 @@ 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 +102,15 @@ 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