Zach Brown <zach.brown@xxxxxxxxxx> writes:
> This adds read and write file operations which specify memory with an array of
> page pointers, offsets, and lengths. AIO commands are added which call these
> methods. Fields are added to the iocb to specify the pages which are passed to
> the methods.
>
> This is intended to be used by callers in the kernel.
>
> Signed-off-by: Zach Brown <zach.brown@xxxxxxxxxx>
> diff --git a/include/linux/aio_abi.h b/include/linux/aio_abi.h
> index 2c87316..5b67ed6 100644
> --- a/include/linux/aio_abi.h
> +++ b/include/linux/aio_abi.h
> @@ -44,6 +44,8 @@ enum {
> IOCB_CMD_NOOP = 6,
> IOCB_CMD_PREADV = 7,
> IOCB_CMD_PWRITEV = 8,
> + IOCB_CMD_PREADP = 9,
> + IOCB_CMD_PWRITEP = 10,
I question the merits of adding commands to the aio_abi that cannot be
called from userspace. However, I don't know how else you would keep
things consistent. I guess we live with it.
Reviewed-by: Jeff Moyer <jmoyer@xxxxxxxxxx>
Cheers,
Jeff
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
