fuse_fs_truncate_v27
# define fuse_fs_truncate fuse_fs_truncate_v27
# define fuse_fs_truncate fuse_fs_truncate_v27
# define fuse_fs_truncate fuse_fs_truncate_v27
int fuse_fs_truncate_v27(struct fuse_fs *fs, const char *path, off_t size);