2 # test that send -p does not corrupt paths when send is using 2 different mount
5 source "$TEST_TOP/common"
8 check_prereq mkfs.btrfs
13 # we need two mount points, cannot nest the subvoolume under TEST_MNT
14 SUBVOL_MNT="$TEST_MNT/subvol"
15 TOPLEVEL_MNT="$TEST_MNT/toplevel"
16 TEST_MNT="$TOPLEVEL_MNT"
17 mkdir -p "$TOPLEVEL_MNT" "$SUBVOL_MNT"
19 run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV"
20 run_check_mount_test_dev
22 run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TOPLEVEL_MNT/subv1"
23 run_check $SUDO_HELPER mount -t btrfs -o subvol=subv1 "$TEST_DEV" "$SUBVOL_MNT"
25 run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TOPLEVEL_MNT/test-subvol"
26 run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r \
27 "$TOPLEVEL_MNT/test-subvol" "$SUBVOL_MNT/test-subvol-mnt-subvol"
28 run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r \
29 "$TOPLEVEL_MNT/test-subvol" "$TOPLEVEL_MNT/test-subvol-mnt-root"
31 run_mustfail_stdout "send -p on 2 mount points" \
32 $SUDO_HELPER "$TOP/btrfs" send -f /dev/null -p \
33 "$SUBVOL_MNT/test-subvol-mnt-subvol" "$TOPLEVEL_MNT/test-subvol-mnt-root" \
35 | grep -q "not on mount point.*/toplevel" \
36 || _fail "expected output not found, please check the logs"
38 # without a fix, this leads to a corrupted path, with something like:
40 # ERROR: open st-subvol-mnt-subvol failed. No such file or directory
41 # ^^^^^^^^^^^^^^^^^^^^
42 # ERROR: could not resolve rootid for .../tests/mnt/subvol/test-subvol-mnt-subvol
45 # ERROR: not on mount point: .../tests/mnt/toplevel
47 run_check_umount_test_dev "$SUBVOL_MNT"
48 run_check_umount_test_dev "$TOPLEVEL_MNT"