57 lines
1.7 KiB
Bash
57 lines
1.7 KiB
Bash
#!/bin/bash
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TMPDIR=${TMPDIR:-"/tmp"}
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OUT=$test_name.log
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FSCK_OPT="-fyvD"
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SKIP_GUNZIP="true"
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NAMELEN=250
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SRC=$TMPDIR/$test_name.tmp
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SUB=subdir
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BASE=$SRC/$SUB/$(yes | tr -d '\n' | dd bs=$NAMELEN count=1 2> /dev/null)
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TMPFILE=${TMPFILE:-"$TMPDIR/image"}
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BSIZE=1024
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> $OUT
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mkdir -p $SRC/$SUB
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# calculate the number of files needed to create the directory extent tree
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# deep enough to exceed the in-inode index and spill into an index block.
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#
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# dirents per block * extents per block * (index blocks > i_blocks)
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NUM=$(((BSIZE / (NAMELEN + 8)) * (BSIZE / 12) * 2))
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# Create source files. Unfortunately hard links will be copied as links,
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# and blocks with only NULs will be turned into holes.
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if [ ! -f $BASE.1 ]; then
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for N in $(seq $NUM); do
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echo "foo" > $BASE.$N
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done >> $OUT
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fi
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# make filesystem with enough inodes and blocks to hold all the test files
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> $TMPFILE
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NUM=$((NUM * 5 / 3))
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echo "mke2fs -b $BSIZE -O dir_index,extent -E no_copy_xattrs -d$SRC -N$NUM $TMPFILE $NUM" >> $OUT
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$MKE2FS -b $BSIZE -O dir_index,extent -E no_copy_xattrs -d$SRC -N$NUM $TMPFILE $NUM >> $OUT 2>&1
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rm -r $SRC
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# Run e2fsck to convert dir to htree before deleting the files, as mke2fs
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# doesn't do this. Run second e2fsck to verify there is no corruption yet.
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(
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EXP1=$test_dir/expect.pre.1
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EXP2=$test_dir/expect.pre.2
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OUT1=$test_name.pre.1.log
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OUT2=$test_name.pre.2.log
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DESCRIPTION="$(cat $test_dir/name) setup"
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. $cmd_dir/run_e2fsck
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)
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# generate a list of filenames for debugfs to delete, one from each leaf block
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DELETE_LIST=$TMPDIR/delete.$$
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$DEBUGFS -c -R "htree subdir" $TMPFILE 2>> $OUT |
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grep -A2 "Reading directory block" |
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awk '/yyyyy/ { print "rm '$SUB'/"$4 }' > $DELETE_LIST
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$DEBUGFS -w -f $DELETE_LIST $TMPFILE >> $OUT 2>&1
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rm $DELETE_LIST
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. $cmd_dir/run_e2fsck
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