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Re: raise the openings on mpi(4)

From: Kenneth R Westerback (kwesterbackrogers.com)
Date: Mon Sep 13 2010 - 06:49:27 CDT

On Mon, Sep 13, 2010 at 05:52:31PM +1000, David Gwynne wrote:
> last time i tried this i caused weird issues on people using the
> SPI variants of mpi(4).
>
> this restricts the large number of openings to the SAS or FC mpi(4)
> variants, both of which i have succesffully tested myself.
>
> ok?

ok krw

.... Ken

>
> Index: mpi.c
> ===================================================================
> RCS file: /cvs/src/sys/dev/ic/mpi.c,v
> retrieving revision 1.161
> diff -u -p -r1.161 mpi.c
> --- mpi.c 13 Sep 2010 07:48:12 -0000 1.161
> +++ mpi.c 13 Sep 2010 07:49:52 -0000
> -339,7 +340,10 mpi_attach(struct mpi_softc *sc)
> sc->sc_link.adapter_softc = sc;
> sc->sc_link.adapter_target = sc->sc_target;
> sc->sc_link.adapter_buswidth = sc->sc_buswidth;
> - sc->sc_link.openings = sc->sc_maxcmds / sc->sc_buswidth;
> + if (sc->sc_porttype == MPI_PORTFACTS_PORTTYPE_SCSI)
> + sc->sc_link.openings = sc->sc_maxcmds / sc->sc_buswidth;
> + else
> + sc->sc_link.openings = sc->sc_maxcmds;
> sc->sc_link.pool = &sc->sc_iopool;
>
> bzero(&saa, sizeof(saa));