int is_temp_file; /* 0=normal file, 1=temporary file, delete on close, -1=shared FD */
};
#define FB_FILE(f) ((struct fb_file *)(f)->is_fastbuf)
int is_temp_file; /* 0=normal file, 1=temporary file, delete on close, -1=shared FD */
};
#define FB_FILE(f) ((struct fb_file *)(f)->is_fastbuf)