Date: Mon, 16 Mar 2015 18:38:29 -0600 From: "Justin T. Gibbs" <gibbs@scsiguy.com> To: Alexander Motin <mav@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r280133 - head/usr.sbin/bhyve Message-ID: <6A7A51CE-9EAA-4F62-BECB-3CFDD708E06E@scsiguy.com> In-Reply-To: <201503160916.t2G9G01e095354@svn.freebsd.org> References: <201503160916.t2G9G01e095354@svn.freebsd.org>
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On Mar 16, 2015, at 3:16 AM, Alexander Motin <mav@FreeBSD.org> wrote: >=20 > Author: mav > Date: Mon Mar 16 09:15:59 2015 > New Revision: 280133 > URL: https://svnweb.freebsd.org/changeset/base/280133 >=20 > Log: > Increase S/G list size of 32 to 33 entries. >=20 > 32 entries are not enough for the worst case of misaligned 128KB = request, > that made FreeBSD to chunk large quests in odd pieces. >=20 > MFC after: 2 weeks >=20 > Modified: > head/usr.sbin/bhyve/block_if.h > head/usr.sbin/bhyve/pci_virtio_block.c >=20 > Modified: head/usr.sbin/bhyve/block_if.h > = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D > --- head/usr.sbin/bhyve/block_if.h Mon Mar 16 01:15:08 2015 = (r280132) > +++ head/usr.sbin/bhyve/block_if.h Mon Mar 16 09:15:59 2015 = (r280133) > @@ -39,7 +39,7 @@ > #include <sys/uio.h> > #include <sys/unistd.h> >=20 > -#define BLOCKIF_IOV_MAX 32 /* not practical to be = IOV_MAX */ > +#define BLOCKIF_IOV_MAX 33 /* not practical to be = IOV_MAX */ Shouldn=E2=80=99t these be derived from MAXPHYS? =E2=80=94 Justin=
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