On Fri, Aug 12, 2022 at 03:56:33PM -0700, Keith Busch wrote:
> struct kiocb {
> struct file *ki_filp;
> -
> - /* The 'ki_filp' pointer is shared in a union for aio */
> - randomized_struct_fields_start
> -
> loff_t ki_pos;
> void (*ki_complete)(struct kiocb *iocb, long ret);
> void *private;
> int ki_flags;
> u16 ki_ioprio; /* See linux/ioprio.h */
> struct wait_page_queue *ki_waitq; /* for async buffered IO */
> - randomized_struct_fields_end
> };
Now that I've read the thread ...
If we care about struct size on 32-bit, we should fit something into
the 32-bit hole before the 64-bit loff_t (assuming at least some 32-bit
arches want loff_t to be 64-bit aligned; I thik x86 doesn't?)
Easiest seems to be to put ki_complete before ki_pos?
