Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
---
tests/misc-tests/028-fi-usage-cross-check/test.sh | 46 +++++++++++++++++++++++
1 file changed, 46 insertions(+)
create mode 100755 tests/misc-tests/028-fi-usage-cross-check/test.sh
diff --git a/tests/misc-tests/028-fi-usage-cross-check/test.sh b/tests/misc-tests/028-fi-usage-cross-check/test.sh
new file mode 100755
index 000000000000..bf438b60abf1
--- /dev/null
+++ b/tests/misc-tests/028-fi-usage-cross-check/test.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# check fi-usage is output correct unallocated space for RAID10
+
+source "$TOP/tests/common"
+
+check_prereq mkfs.btrfs
+check_prereq btrfs
+
+setup_root_helper
+
+setup_loopdevs 4
+prepare_loopdevs
+dev1=${loopdevs[1]}
+
+run_check "$TOP/mkfs.btrfs" -d raid10 -m raid10 -f ${loopdevs[@]}
+run_check $SUDO_HELPER mount $dev1 "$TEST_MNT"
+
+output_dir=$(mktemp -d --tmpdir btrfs-progs-misc.XXXXXXXX)
+
+run_check_stdout $SUDO_HELPER "$TOP/btrfs" filesystem show --raw "$TEST_MNT" |\
+ grep "$dev1" > "$output_dir/fi_show_output"
+if [ ! -s "$output_dir/fi_show_output" ]; then
+ _fail "failed to get correct fi show output"
+fi
+
+dev1_total=$(cat "$output_dir/fi_show_output" | awk '{print $4}')
+dev1_used=$(cat "$output_dir/fi_show_output" | awk '{print $6}')
+dev1_fi_show_unallocated=$(( $dev1_total - $dev1_used))
+
+run_check_stdout $SUDO_HELPER "$TOP/btrfs" filesystem usage --raw "$TEST_MNT" |\
+ grep "$dev1" | tail -n1 > "$output_dir/fi_usage_output"
+if [ ! -s "$output_dir/fi_usage_output" ]; then
+ _fail "failed to get correct fi usage output"
+fi
+
+dev1_fi_usage_unallocated=$(cat "$output_dir/fi_usage_output" | awk '{print $2}')
+echo "fi usage unallocated for devid1 is $dev1_fi_usage_unallocated" >> "$RESULTS"
+echo "fi show unallocated for devid1 is $dev1_fi_show_unallocated" >> "$RESULTS"
+
+if [ $dev1_fi_show_unallocated -ne $dev1_fi_usage_unallocated ]; then
+ _fail "fi usage unallocated mismatch with fi show"
+fi
+
+run_check $SUDO_HELPER umount "$TEST_MNT"
+cleanup_loopdevs
+rm $output_dir -rf
--
2.15.1
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