file: unify ->file_data and ->file_pos

The only real use case of ->file_pos was by the sync engine to
avoid an lseek() if the offset was already correct. The e4defrag,
falloc, and fusion-aw engine also set ->file_pos, but that looks
like a case of copy-paste, since they don't actually use it.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 3 deletions

diff --git a/file.h b/file.h
index 11695e2f..e57bebcf 100644
--- a/file.h
+++ b/file.h
@@ -63,7 +63,6 @@ struct fio_file {
 	struct flist_head hash_list;
 	enum fio_filetype filetype;
 
-	void *file_data;
 	int fd;
 	int shadow_fd;
 #ifdef WIN32
@@ -98,7 +97,7 @@ struct fio_file {
 	/*
 	 * For use by the io engine
 	 */
-	unsigned long long file_pos;
+	uint64_t engine_data;
 
 	/*
 	 * if io is protected by a semaphore, this is set
@@ -181,7 +180,6 @@ static inline void fio_file_reset(struct fio_file *f)
 {
 	f->last_pos = f->file_offset;
 	f->last_start = -1ULL;
-	f->file_pos = -1ULL;
 	if (f->io_axmap)
 		axmap_reset(f->io_axmap);
 }