Date: Fri, 3 Dec 2010 07:39:29 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r216145 - head/tools/tools/nanobsd Message-ID: <201012030739.oB37dTKC061090@svn.freebsd.org>
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Author: imp Date: Fri Dec 3 07:39:29 2010 New Revision: 216145 URL: http://svn.freebsd.org/changeset/base/216145 Log: o Mount the device async when we're doing the copy. o Create a sparse file instead of a fully zerod one. This trades the possibiltiy of running out of space during the build for the speed gain not having do write all those zeros... Submitted by: n_hibma Modified: head/tools/tools/nanobsd/nanobsd.sh Modified: head/tools/tools/nanobsd/nanobsd.sh ============================================================================== --- head/tools/tools/nanobsd/nanobsd.sh Fri Dec 3 07:33:43 2010 (r216144) +++ head/tools/tools/nanobsd/nanobsd.sh Fri Dec 3 07:39:29 2010 (r216145) @@ -404,7 +404,7 @@ newfs_part ( ) ( lbl=$3 echo newfs ${NANO_NEWFS} ${NANO_LABEL:+-L${NANO_LABEL}${lbl}} ${dev} newfs ${NANO_NEWFS} ${NANO_LABEL:+-L${NANO_LABEL}${lbl}} ${dev} - mount ${dev} ${mnt} + mount -o async ${dev} ${mnt} ) populate_slice ( ) ( @@ -513,8 +513,8 @@ create_i386_diskimage ( ) ( -y ${NANO_HEADS}` else echo "Creating md backing file..." - dd if=/dev/zero of=${IMG} bs=${NANO_SECTS}b \ - count=`expr ${NANO_MEDIASIZE} / ${NANO_SECTS}` + rm -f ${IMG} + dd if=/dev/zero of=${IMG} seek=${NANO_MEDIASIZE} count=0 MD=`mdconfig -a -t vnode -f ${IMG} -x ${NANO_SECTS} \ -y ${NANO_HEADS}` fi
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