#!/bin/sh
-run_test() { # params: mke2fs_invocation image_name
+# Disabling features we do not match exactly:
+system_mke2fs='/sbin/mke2fs -O ^resize_inode'
+bbox_mke2fs='./busybox 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 >$2.raw_out 2>&1 || return 1
| grep -v '^Writing superblocks and filesystem accounting information' \
| grep -v '^This filesystem will be automatically checked every' \
| grep -v '^180 days, whichever comes first' \
- | sed 's/inodes, [0-9]* blocks/inodes, N blocks/' \
| sed 's/blocks* unused./blocks unused/' \
| sed 's/block groups*/block groups/' \
| sed 's/ *$//' \
test_mke2fs() {
echo Testing $kilobytes
- run_test '/sbin/mke2fs' image_std || return 1
- run_test './busybox mke2fs' image_bb || return 1
+ gen_image "$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 >/dev/null 2>&1 || {
+ e2fsck -f -n image_bb >image_bb_e2fsck.out 2>&1 || {
echo "e2fsck error on image_bb"
- e2fsck -f -n image_bb
+ cat image_bb_e2fsck.out
exit 1
}
}
-# Should start from kilobytes=60, but e2fsck complains on it:
-# e2fsck 1.41.4 (27-Jan-2009)
-# Pass 1: Checking inodes, blocks, and sizes
-# Pass 2: Checking directory structure
-# Pass 3: Checking directory connectivity
-# Pass 4: Checking reference counts
-# Pass 5: Checking group summary information
-# Inode bitmap differences: +(9--11)
-# Free inodes count wrong for group #0 (5, counted=8).
-# Directories count wrong for group #0 (2, counted=1).
-# Free inodes count wrong (5, counted=8).
-# image_bb: 11/16 files (0.0% non-contiguous), 9/60 blocks
-kilobytes=68
+# -:bbox +:standard
+
+# kilobytes=60 is the minimal allowed size
+kilobytes=60
while true; do
- test_mke2fs #|| exit 1
- : $((kilobytes++))
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = 200 && break
done
-exit
-
-# Specific sizes with known differences:
-# -:bbox +:standard
-# -6240 inodes, 24908 blocks
-# +6240 inodes, 24577 blocks
-# -4 block group
-# +3 block group
-# -1560 inodes per group
-# +2080 inodes per group
-kilobytes=24908 test_mke2fs
+# Transition from one block group to two
+# fails in [8378..8410] range unless -O ^resize_inode
+kilobytes=$((1 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((1 * 8*1024 + 300)) && break
+done
-# -304 inodes, N blocks
-# +152 inodes, N blocks
-# -304 inodes per group
-# +152 inodes per group
-kilobytes=1218 test_mke2fs
+# Transition from 2 block groups to 3
+# works
+kilobytes=$((2 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((2 * 8*1024 + 400)) && break
+done
-# -14464 inodes, N blocks
-# +14448 inodes, N blocks
-# -8 block group
-# +7 block group
-# -1808 inodes per group
-# +2064 inodes per group
-kilobytes=57696 test_mke2fs
+# Transition from 3 block groups to 4
+# fails in [24825..24922] range unless -O ^resize_inode
+kilobytes=$((3 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((3 * 8*1024 + 500)) && break
+done
-# -warning: 239 blocks unused.
-# +warning: 242 blocks unused.
-kilobytes=49395 test_mke2fs
+# Transition from 4 block groups to 5
+# works
+kilobytes=$((4 * 8*1024 - 50))
+while true; do
+ test_mke2fs || exit 1
+ kilobytes=$((kilobytes+1))
+ test $kilobytes = $((4 * 8*1024 + 600)) && break
+done
-## This size results in "warning: 75 blocks unused"
-#kilobytes=98380 test_mke2fs
+# Transition from 5 block groups to 6
+# fails in [41230..41391] range unless -O ^resize_inode
+kilobytes=$((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) % 1000000 + 60))
+ kilobytes=$(( (RANDOM*RANDOM) % 5000000 + 60))
test_mke2fs || exit 1
done