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#!/bin/bash
# make sure that mkfs.btrfs --rootsize does not change size of the image
source $TOP/tests/common
check_prereq mkfs.btrfs
prepare_test_dev
test_mkfs_with_size() {
local size
local imgsize
local tmp
size="$1"
run_check truncate -s$size $TEST_DEV
imgsize=$(run_check_stdout stat --format=%s $TEST_DEV)
run_check $SUDO_HELPER $TOP/mkfs.btrfs -f \
--rootdir $TOP/Documentation \
$TEST_DEV
tmp=$(run_check_stdout stat --format=%s $TEST_DEV)
if ! [ "$imgsize" = "$tmp" ]; then
_fail "image size changed from $imgsize to $tmp"
fi
}
test_mkfs_with_size 128M
test_mkfs_with_size 256M
test_mkfs_with_size 512M
test_mkfs_with_size 1G
test_mkfs_with_size 2G
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