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When NANO_IMAGE_MBRONLY is set, and we're backing via swap, only copy

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the MBR.

PR: 136889
Submitted by: Aragon Gouveia
This commit is contained in:
Warner Losh 2014-03-14 19:46:32 +00:00
parent 54d2d0eb5d
commit 0bf5403204
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=263188
1 changed files with 11 additions and 0 deletions
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11
tools/tools/nanobsd/nanobsd.sh
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@ -136,6 +136,9 @@ NANO_BOOT2CFG="-h"
# Can be "file" or "swap"
NANO_MD_BACKING="file"
# for swap type md(4) backing, write out the mbr only
NANO_IMAGE_MBRONLY=true
# Progress Print level
PPLEVEL=3
@ -573,6 +576,14 @@ create_i386_diskimage ( ) (
fi
if [ "${NANO_MD_BACKING}" = "swap" ] ; then
if [ ${NANO_IMAGE_MBRONLY} ]; then
echo "Writing out _.disk.mbr..."
dd if=/dev/${MD} of=${NANO_DISKIMGDIR}/_.disk.mbr bs=512 count=1
else
echo "Writing out ${NANO_IMGNAME}..."
dd if=/dev/${MD} of=${IMG} bs=64k
fi
echo "Writing out ${NANO_IMGNAME}..."
dd conv=sparse if=/dev/${MD} of=${IMG} bs=64k
fi