#!/bin/sh
-test_mke2fs() {
- echo Testing $kilobytes
+# Disabling features we do not match exactly:
+system_mke2fs='/sbin/mke2fs -O ^resize_inode'
+bbox_mke2fs='./busybox mke2fs'
- >image_std
- dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=image_std >/dev/null 2>&1 || exit 1
- /usr/bin/mke2fs -F image_std $kilobytes >image_std.raw_out 2>&1 || return 1
- cat image_std.raw_out \
- | grep -v '^mke2fs ' \
+gen_image() { # params: mke2fs_invocation image_name
+ >$2
+ dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=$2 >/dev/null 2>&1 || exit 1
+ $1 -F $2 $kilobytes >$2.raw_out 2>&1 || return 1
+ cat $2.raw_out \
+ | grep -v '^mke2fs [0-9]*\.[0-9]*\.[0-9]* ' \
| grep -v '^Maximum filesystem' \
- | grep -v '^warning: .* blocks unused' \
| grep -v '^Writing inode tables' \
| grep -v '^Writing superblocks and filesystem accounting information' \
| grep -v '^This filesystem will be automatically checked every' \
| grep -v '^180 days, whichever comes first' \
- | sed 's/block groups/block group/' \
+ | sed 's/blocks* unused./blocks unused/' \
+ | sed 's/block groups*/block groups/' \
| sed 's/ *$//' \
| sed 's/blocks (.*%) reserved/blocks reserved/' \
| grep -v '^$' \
- >image_std.out
+ >$2.out
+}
- >image_bb
- dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=image_bb >/dev/null 2>&1 || exit 1
- ./busybox mke2fs -F image_bb $kilobytes >image_bb.raw_out 2>&1 || return 1
- cat image_bb.raw_out \
- | grep -v '^mke2fs ' \
- | grep -v '^Maximum filesystem' \
- | grep -v '^warning: .* blocks unused' \
- | grep -v '^Writing inode tables' \
- | grep -v '^Writing superblocks and filesystem accounting information' \
- | grep -v '^This filesystem will be automatically checked every' \
- | grep -v '^180 days, whichever comes first' \
- | sed 's/block groups/block group/' \
- | sed 's/ *$//' \
- | sed 's/blocks (.*%) reserved/blocks reserved/' \
- | grep -v '^$' \
- >image_bb.out
+test_mke2fs() {
+ echo Testing $kilobytes
+
+ gen_image "$system_mke2fs" image_std || return 1
+ gen_image "$bbox_mke2fs" image_bb || return 1
diff -ua image_bb.out image_std.out >image.out.diff || {
cat image.out.diff
return 1
}
+
+ e2fsck -f -n image_bb >image_bb_e2fsck.out 2>&1 || {
+ echo "e2fsck error on image_bb"
+ cat image_bb_e2fsck.out
+ exit 1
+ }
}
-kilobytes=24908 test_mke2fs
-kilobytes=81940 test_mke2fs
-kilobytes=98392 test_mke2fs
+# -:bbox +:standard
+
+# kilobytes=60 is the minimal allowed size
+kilobytes=60
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = 200 && break
+done
+
+# Transition from one block group to two
+# fails in [8378..8410] range unless -O ^resize_inode
+kilobytes=$((1 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((1 * 8*1024 + 300)) && break
+done
+
+# Transition from 2 block groups to 3
+# works
+kilobytes=$((2 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((2 * 8*1024 + 400)) && break
+done
+
+# Transition from 3 block groups to 4
+# fails in [24825..24922] range unless -O ^resize_inode
+kilobytes=$((3 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((3 * 8*1024 + 500)) && break
+done
+
+# Transition from 4 block groups to 5
+# works
+kilobytes=$((4 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((4 * 8*1024 + 600)) && break
+done
+
+# Transition from 5 block groups to 6
+# fails in [41230..41391] range unless -O ^resize_inode
+kilobytes=$((5 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((5 * 8*1024 + 700)) && break
+done
exit
+# Random sizes
while true; do
- kilobytes=$(( (RANDOM*RANDOM) % 100000 + 100))
+ kilobytes=$(( (RANDOM*RANDOM) % 5000000 + 60))
test_mke2fs || exit 1
done