filesetup: add native fallocate

[fio.git] / file.h

diff --git a/file.h b/file.h
index c403b176827740f10afbc9dd6391b78c928b681d..84daa5f66b74a1c871796dd20c1f3375e0eacf89 100644 (file)
--- a/file.h
+++ b/file.h
@@ -63,6 +63,7 @@ enum fio_fallocate_mode {
        FIO_FALLOCATE_NONE      = 1,
        FIO_FALLOCATE_POSIX     = 2,
        FIO_FALLOCATE_KEEP_SIZE = 3,
+       FIO_FALLOCATE_NATIVE    = 4,
 };
 
 /*
@@ -113,9 +114,12 @@ struct fio_file {
        unsigned int last_write_idx;
 
        /*
-        * For use by the io engine
+        * For use by the io engine for offset or private data storage
         */
-       uint64_t engine_data;
+       union {
+               uint64_t engine_pos;
+               void *engine_data;
+       };
 
        /*
         * if io is protected by a semaphore, this is set
@@ -147,9 +151,8 @@ struct fio_file {
        struct disk_util *du;
 };
 
-#define FILE_ENG_DATA(f)       ((void *) (uintptr_t) (f)->engine_data)
-#define FILE_SET_ENG_DATA(f, data)     \
-       ((f)->engine_data = (uintptr_t) (data))
+#define FILE_ENG_DATA(f)               ((f)->engine_data)
+#define FILE_SET_ENG_DATA(f, data)     ((f)->engine_data = (data))
 
 #define FILE_FLAG_FNS(name)                                            \
 static inline void fio_file_set_##name(struct fio_file *f)             \