X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;ds=sidebyside;f=file.h;h=e3864ee505971ed3733efbf055887df92f94e8af;hb=f7c9bfd57232c6e11623d741be340d32f796c726;hp=c403b176827740f10afbc9dd6391b78c928b681d;hpb=bf651609cda6c8968edb49d80efe7ee007983f61;p=fio.git

diff --git a/file.h b/file.h
index c403b176..e3864ee5 100644
--- 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)		\
@@ -185,9 +188,15 @@ extern void close_and_free_files(struct thread_data *);
 extern uint64_t get_start_offset(struct thread_data *, struct fio_file *);
 extern int __must_check setup_files(struct thread_data *);
 extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
+#ifdef __cplusplus
+extern "C" {
+#endif
 extern int __must_check generic_open_file(struct thread_data *, struct fio_file *);
 extern int __must_check generic_close_file(struct thread_data *, struct fio_file *);
 extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *);
+#ifdef __cplusplus
+}
+#endif
 extern int __must_check file_lookup_open(struct fio_file *f, int flags);
 extern int __must_check pre_read_files(struct thread_data *);
 extern unsigned long long get_rand_file_size(struct thread_data *td);
@@ -208,5 +217,6 @@ extern void filesetup_mem_free(void);
 extern void fio_file_reset(struct thread_data *, struct fio_file *);
 extern bool fio_files_done(struct thread_data *);
 extern bool exists_and_not_regfile(const char *);
+extern int fio_set_directio(struct thread_data *, struct fio_file *);
 
 #endif