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tests/scripts/mkdup
48 строк
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Theodore Ts'o
Update Release Notes, Changelogs, version.h, etc. for 1.42 release
30 ноя 2011, 01:48
30 ноя 2011, 01:48
499d5ec
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#!/bin/sh OPTS="-O bigalloc -C 8192" SIZE=4096 IMG=/tmp/foo.img TMP=$(mktemp) SIZE_A=15000 SIZE_B=5000 SIZE_C=20000 DEBUGFS=./debugfs/debugfs MKE2FS=./misc/mke2fs FSCK=./e2fsck/e2fsck dd if=/dev/zero of=$IMG bs=1k count=$SIZE echo $MKE2FS -F -t ext4 -L test $OPTS test.img $SIZE $MKE2FS -F -t ext4 -L test $OPTS $IMG $SIZE dd if=/dev/zero of=$TMP bs=$SIZE_A count=1 >& /dev/null echo Writing $SIZE_A bytes to a $DEBUGFS -w -R "write $TMP a" $IMG BLKS=$(./debugfs/debugfs -R "blocks a" $IMG) cp /dev/null $TMP echo "Releasing blocks $BLKS" for i in $BLKS ; do echo "freeb $i" >> $TMP; done $DEBUGFS -w $IMG < $TMP >& /dev/null echo Writing $SIZE_B bytes to b dd if=/dev/zero of=$TMP bs=$SIZE_B count=1 >& /dev/null $DEBUGFS -w -R "write $TMP b" $IMG if [ -n "$SIZE_C" ]; then BLKS=$(./debugfs/debugfs -R "blocks b" $IMG) cp /dev/null $TMP echo "Releasing blocks $BLKS" for i in $BLKS ; do echo "freeb $i" >> $TMP; done $DEBUGFS -w $IMG < $TMP >& /dev/null echo Writing $SIZE_C bytes to c dd if=/dev/zero of=$TMP bs=$SIZE_C count=1 >& /dev/null $DEBUGFS -w -R "write $TMP c" $IMG fi echo "set_inode_field a mtime 201107040000" > $TMP echo "set_inode_field b mtime 201107050000" >> $TMP if [ -n "$SIZE_C" ]; then echo "set_inode_field c mtime 201107060000" >> $TMP fi $DEBUGFS -w $IMG < $TMP >& /dev/null $FSCK -fy $IMG rm $TMP