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#!/bin/bash
# Regression test for mkfs.btrfs --rootdir with inline file extents
# For any large inline file extent, btrfs check could already report it
source "$TEST_TOP/common"
check_global_prereq fallocate
check_prereq mkfs.btrfs
prepare_test_dev
tmp=$(mktemp -d --tmpdir btrfs-progs-mkfs.rootdirXXXXXXX)
pagesize=$(getconf PAGESIZE)
create_file()
{
local size=$1
# Reuse size as filename
run_check fallocate -l $size "$tmp/$size"
}
test_mkfs_rootdir()
{
nodesize=$1
run_check "$TOP/mkfs.btrfs" --nodesize $nodesize -f --rootdir "$tmp" \
"$TEST_DEV"
run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
}
# Use power of 2 from 512 to 64K (maximum node size) as base file size
for i in 512 1024 2048 4096 8192 16384 32768; do
create_file $(($i - 102))
# 101 is the overhead size for max inline extent
create_file $(($i - 101))
create_file $(($i - 100))
create_file $(($i - 1))
create_file $i
create_file $(($i + 1))
done
for nodesize in 4096 8192 16384 32768 65536; do
if [ $nodesize -ge $pagesize ]; then
test_mkfs_rootdir $nodesize
fi
done
rm -rf -- "$tmp"
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