On Mar 16, 2015, at 3:16 AM, Alexander Motin <m...@freebsd.org> wrote: > > Author: mav > Date: Mon Mar 16 09:15:59 2015 > New Revision: 280133 > URL: https://svnweb.freebsd.org/changeset/base/280133 > > Log: > Increase S/G list size of 32 to 33 entries. > > 32 entries are not enough for the worst case of misaligned 128KB request, > that made FreeBSD to chunk large quests in odd pieces. > > MFC after: 2 weeks > > Modified: > head/usr.sbin/bhyve/block_if.h > head/usr.sbin/bhyve/pci_virtio_block.c > > Modified: head/usr.sbin/bhyve/block_if.h > ============================================================================== > --- 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> > > -#define BLOCKIF_IOV_MAX 32 /* not practical to be IOV_MAX > */ > +#define BLOCKIF_IOV_MAX 33 /* not practical to be IOV_MAX > */
Shouldn’t these be derived from MAXPHYS? — Justin _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
