Re: [patch] set kiobuf io_count once, instead of increment

[Stephen C. Tweedie]

On Tue, Feb 27, 2001 at 04:22:22PM -0800, Robert Read wrote:
> Currently in brw_kiovec, iobuf->io_count is being incremented as each
> bh is submitted, and decremented in the bh->b_end_io().  This means
> io_count can go to zero before all the bhs have been submitted,
> especially during a large request. This causes the end_kio_request()
> to be called before all of the io is complete.  

brw_kiovec is currently entirely synchronous, so end_kio_request()
calling is probably not a big deal right now.  It would be much more
important for an async version.

--Stephen