On Fri, Feb 08 2002, Benjamin LaHaise wrote:
> > And also, currently BIO_MAX_SIZE is only 64K. Infact, if I try to issue
> > 64K IO using submit_bio(), I get following BUG() on my QLOGIC controller.
>
> Jens? Also, why does the bio callback return a value? Nothing could ever
> possibly use it as far as I can see.
WRT max size, Linus already replied why this is so. The other thing --
the callback return value was really to have it return 'done or not'
when doing partial completions. It was later decided that the end_io
callback should only be called for final completion, so really the
nr_sectors and return value is not used now. I'll clean that up next
time around.
-- Jens Axboe- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Feb 15 2002 - 21:00:37 EST