105 lines
2.7 KiB
Bash
Executable File
105 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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# Disabling features we do not match exactly:
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system_mke2fs='/sbin/mke2fs -O ^resize_inode'
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bbox_mke2fs='./busybox mke2fs'
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gen_image() { # params: mke2fs_invocation image_name
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>$2
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dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=$2 >/dev/null 2>&1 || exit 1
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$1 -F $2 $kilobytes >$2.raw_out 2>&1 || return 1
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cat $2.raw_out \
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| grep -v '^mke2fs [0-9]*\.[0-9]*\.[0-9]* ' \
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| grep -v '^Maximum filesystem' \
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| grep -v '^Writing inode tables' \
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| grep -v '^Writing superblocks and filesystem accounting information' \
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| grep -v '^This filesystem will be automatically checked every' \
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| grep -v '^180 days, whichever comes first' \
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| sed 's/blocks* unused./blocks unused/' \
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| sed 's/block groups*/block groups/' \
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| sed 's/ *$//' \
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| sed 's/blocks (.*%) reserved/blocks reserved/' \
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| grep -v '^$' \
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>$2.out
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}
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test_mke2fs() {
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echo Testing $kilobytes
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gen_image "$system_mke2fs" image_std || return 1
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gen_image "$bbox_mke2fs" image_bb || return 1
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diff -ua image_bb.out image_std.out >image.out.diff || {
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cat image.out.diff
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return 1
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}
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e2fsck -f -n image_bb >image_bb_e2fsck.out 2>&1 || {
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echo "e2fsck error on image_bb"
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cat image_bb_e2fsck.out
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exit 1
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}
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}
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# -:bbox +:standard
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# kilobytes=60 is the minimal allowed size
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kilobytes=60
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while true; do
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test_mke2fs || exit 1
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kilobytes=$((kilobytes+1))
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test $kilobytes = 200 && break
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done
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# Transition from one block group to two
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# fails in [8378..8410] range unless -O ^resize_inode
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kilobytes=$((1 * 8*1024 - 50))
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while true; do
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test_mke2fs || exit 1
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kilobytes=$((kilobytes+1))
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test $kilobytes = $((1 * 8*1024 + 300)) && break
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done
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# Transition from 2 block groups to 3
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# works
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kilobytes=$((2 * 8*1024 - 50))
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while true; do
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test_mke2fs || exit 1
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kilobytes=$((kilobytes+1))
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test $kilobytes = $((2 * 8*1024 + 400)) && break
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done
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# Transition from 3 block groups to 4
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# fails in [24825..24922] range unless -O ^resize_inode
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kilobytes=$((3 * 8*1024 - 50))
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while true; do
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test_mke2fs || exit 1
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kilobytes=$((kilobytes+1))
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test $kilobytes = $((3 * 8*1024 + 500)) && break
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done
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# Transition from 4 block groups to 5
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# works
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kilobytes=$((4 * 8*1024 - 50))
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while true; do
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test_mke2fs || exit 1
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kilobytes=$((kilobytes+1))
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test $kilobytes = $((4 * 8*1024 + 600)) && break
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done
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# Transition from 5 block groups to 6
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# fails in [41230..41391] range unless -O ^resize_inode
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kilobytes=$((5 * 8*1024 - 50))
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while true; do
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test_mke2fs || exit 1
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kilobytes=$((kilobytes+1))
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test $kilobytes = $((5 * 8*1024 + 700)) && break
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done
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exit
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# Random sizes
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while true; do
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kilobytes=$(( (RANDOM*RANDOM) % 5000000 + 60))
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test_mke2fs || exit 1
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done
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