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#!/bin/bash
# test if btrfs-convert creates a filesystem without leaf crossing stripes
source "$TEST_TOP/common"
check_prereq btrfs-convert
check_prereq btrfs
# In my test, it happened in 514M~560M, 737M~769M, 929M~917M,
# and HAVE_ERROR=((size + 1) / 2) % 2 if size >= 970
#
SIZE_FROM=514
SIZE_END=560
A_PRIME_NUM=17
for ((size = SIZE_FROM; size <= SIZE_END; size += A_PRIME_NUM)); do
run_check truncate -s "$size"M "$IMAGE"
run_check mkfs.ext4 -F "$IMAGE"
run_check $TOP/btrfs-convert "$IMAGE"
run_check_stdout $TOP/btrfs check "$IMAGE" 2>&1 |
grep -q "crossing stripe boundary" &&
_fail "leaf crossing stripes after btrfs-convert"
done
# grep will expectedly fail
exit 0
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