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#!/bin/bash
# test btrfstune options that enable filesystem features
source "$TEST_TOP/common"
check_prereq mkfs.btrfs
check_prereq btrfstune
check_prereq btrfs
setup_root_helper
prepare_test_dev
# test whether fsck can rebuild a corrupted extent tree
# parameters:
# - option for mkfs.btrfs -O, empty for defaults
# - option for btrfstune
# - string representing the feature in dump-super output
test_feature()
{
local mkfsfeatures
local tuneopt
local sbflag
mkfsfeatures=$1
tuneopt="$2"
sbflag="$3"
run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f \
${mkfsfeatures:+-O ^"$mkfsfeatures"} "$TEST_DEV"
if run_check_stdout "$TOP/btrfs" inspect-internal dump-super "$TEST_DEV" | \
grep -q "$sbflag"; then
_fail "FAIL: feature $sbflag must not be set on the base image"
fi
run_check "$TOP/btrfstune" "$tuneopt" "$TEST_DEV"
if ! run_check_stdout "$TOP/btrfs" inspect-internal dump-super "$TEST_DEV" | \
grep -q "$sbflag"; then
_fail "FAIL: feature $sbflag not set"
fi
run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
}
test_feature extref -r EXTENDED_IREF
test_feature skinny-metadata -x SKINNY_METADATA
test_feature no-holes -n NO_HOLES
test_feature '' '-S 1' SEEDING
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