From ea0956bb2a26ca0deb1bcba186a0e53ab07164a5 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Mon, 19 Feb 2018 19:07:32 +0100 Subject: btrfs-progs: tests: add test for send -p on 2 mont points Add testcase from issue, use reproducer from Axel Burri. Issue: #96 Signed-off-by: David Sterba --- .../029-send-p-different-mountpoints/test.sh | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100755 tests/misc-tests/029-send-p-different-mountpoints/test.sh (limited to 'tests') diff --git a/tests/misc-tests/029-send-p-different-mountpoints/test.sh b/tests/misc-tests/029-send-p-different-mountpoints/test.sh new file mode 100755 index 00000000..64048334 --- /dev/null +++ b/tests/misc-tests/029-send-p-different-mountpoints/test.sh @@ -0,0 +1,51 @@ +#!/bin/bash +# test that send -p does not corrupt paths when send is using 2 different mount +# points + +source "$TOP/tests/common" + +check_prereq btrfs +check_prereq mkfs.btrfs + +setup_root_helper +prepare_test_dev + +# we need two mount points, cannot nest the subvoolume under TEST_MNT +SUBVOL_MNT="$TEST_MNT/subvol" +TOPLEVEL_MNT="$TEST_MNT/toplevel" +TEST_MNT="$TOPLEVEL_MNT" +mkdir -p "$TOPLEVEL_MNT" "$SUBVOL_MNT" + +run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" +run_check_mount_test_dev + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TOPLEVEL_MNT/subv1" +run_check $SUDO_HELPER mount -t btrfs -o subvol=subv1 "$TEST_DEV" "$SUBVOL_MNT" + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TOPLEVEL_MNT/test-subvol" +run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r \ + "$TOPLEVEL_MNT/test-subvol" "$SUBVOL_MNT/test-subvol-mnt-subvol" +run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r \ + "$TOPLEVEL_MNT/test-subvol" "$TOPLEVEL_MNT/test-subvol-mnt-root" + +run_mustfail_stdout "send -p on 2 mount points" \ + $SUDO_HELPER "$TOP/btrfs" send -f /dev/null -p \ + "$SUBVOL_MNT/test-subvol-mnt-subvol" "$TOPLEVEL_MNT/test-subvol-mnt-root" \ + | tee -a "$RESULTS" \ + | grep -q "not on mount point.*/toplevel" \ + || _fail "expected output not found, please check the logs" + +# without a fix, this leads to a corrupted path, with something like: +# +# ERROR: open st-subvol-mnt-subvol failed. No such file or directory +# ^^^^^^^^^^^^^^^^^^^^ +# ERROR: could not resolve rootid for .../tests/mnt/subvol/test-subvol-mnt-subvol + +# expected output: +# ERROR: not on mount point: .../tests/mnt/toplevel + +run_check_umount_test_dev "$SUBVOL_MNT" +run_check_umount_test_dev "$TOPLEVEL_MNT" + +rmdir "$SUBVOL_MNT" +rmdir "$TOPLEVEL_MNT" -- cgit v1.2.3