diff options
Diffstat (limited to 'tests/misc-tests/019-receive-clones-on-mounted-subvol/test.sh')
| -rwxr-xr-x | tests/misc-tests/019-receive-clones-on-mounted-subvol/test.sh | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/tests/misc-tests/019-receive-clones-on-mounted-subvol/test.sh b/tests/misc-tests/019-receive-clones-on-mounted-subvol/test.sh new file mode 100755 index 00000000..182b0cf9 --- /dev/null +++ b/tests/misc-tests/019-receive-clones-on-mounted-subvol/test.sh @@ -0,0 +1,127 @@ +#! /bin/bash +# +# Test that an incremental send operation works when in both snapshots there are +# two directory inodes that have the same number but different generations and +# have an entry with the same name that corresponds to different inodes in each +# snapshot. + +source $TOP/tests/common + +check_prereq mkfs.btrfs +check_prereq btrfs +check_prereq fssum + +setup_root_helper +prepare_test_dev + +FSSUM_PROG="$TOP/fssum" +srcdir=./send-test-dir +rm -rf "$srcdir" +mkdir -p "$srcdir" +run_check chmod a+rw "$srcdir" + +run_check "$TOP/mkfs.btrfs" -f "$TEST_DEV" +run_check_mount_test_dev + +BLOCK_SIZE=$(stat -f -c %S "$TEST_MNT") + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/foo" +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/bar" +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/baz" +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/snap" + +tr '\000' 'A' < /dev/null | + run_check $SUDO_HELPER dd of=$TEST_MNT/foo/file_a bs=$BLOCK_SIZE count=32 +tr '\000' 'B' < /dev/null | + run_check $SUDO_HELPER dd of=$TEST_MNT/bar/file_b bs=$BLOCK_SIZE count=32 + +run_check $SUDO_HELPER cp --reflink=always "$TEST_MNT/foo/file_a" "$TEST_MNT/baz/file_a" +run_check $SUDO_HELPER cp --reflink=always "$TEST_MNT/bar/file_b" "$TEST_MNT/baz/file_b" + +# Filesystem looks like: +# +# . +# |--- foo/ +# | |--- file_a +# |--- bar/ +# | |--- file_b +# |--- baz/ +# | |--- file_a (clone of "foo/file_a") +# | |--- file_b (clone of "bar/file_b") +# |--- snap/ +# + +# create snapshots and send streams + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/foo" "$TEST_MNT/snap/foo.0" +run_check $SUDO_HELPER "$TOP/btrfs" send -f "$srcdir/foo.0.snap" "$TEST_MNT/snap/foo.0" + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/bar" "$TEST_MNT/snap/bar.0" +run_check $SUDO_HELPER "$TOP/btrfs" send -f "$srcdir/bar.0.snap" "$TEST_MNT/snap/bar.0" + +run_check $SUDO_HELPER cp --reflink=always "$TEST_MNT/foo/file_a" "$TEST_MNT/foo/file_a.clone" +run_check $SUDO_HELPER rm -f -- "$TEST_MNT/foo/file_a" + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/foo" \ + "$TEST_MNT/snap/foo.1" +run_check $SUDO_HELPER "$TOP/btrfs" send -p "$TEST_MNT/snap/foo.0" -f "$srcdir/foo.1.snap" \ + "$TEST_MNT/snap/foo.1" + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/baz" \ + "$TEST_MNT/snap/baz.0" +run_check $SUDO_HELPER "$TOP/btrfs" send -p "$TEST_MNT/snap/foo.1" \ + -c "$TEST_MNT/snap/bar.0" -f "$srcdir/baz.0.snap" \ + "$TEST_MNT/snap/baz.0" + +# Filesystem looks like: +# +# . +# |--- foo/ +# | |--- file_a.clone (clone of "foo/file_a") +# |--- bar/ +# | |--- file_b +# |--- baz/ +# | |--- file_a (clone of "foo/file_a") +# | |--- file_b (clone of "bar/file_b") +# |--- snap/ +# |--- bar.0/ (snapshot of "bar") +# | |--- file_b +# |--- foo.0/ (snapshot of "foo") +# | |--- file_a +# |--- foo.1/ (snapshot of "foo") +# | |--- file_a.clone +# |--- baz.0/ (snapshot of "baz") +# | |--- file_a +# | |--- file_b + +run_check $FSSUM_PROG -A -f -w "$srcdir/foo.0.fssum" "$TEST_MNT/snap/foo.0" +run_check $FSSUM_PROG -A -f -w "$srcdir/foo.1.fssum" "$TEST_MNT/snap/foo.1" +run_check $FSSUM_PROG -A -f -w "$srcdir/bar.0.fssum" "$TEST_MNT/snap/bar.0" +run_check $FSSUM_PROG -A -f -w "$srcdir/baz.0.fssum" "$TEST_MNT/snap/baz.0" + +run_check_umount_test_dev +run_check "$TOP/mkfs.btrfs" -f "$TEST_DEV" +run_check_mount_test_dev +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/dest" +run_check_umount_test_dev +run_check_mount_test_dev -o subvol=/dest + +run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/foo.0.snap" "$TEST_MNT" +run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/bar.0.snap" "$TEST_MNT" + +# if "dest/" is not correctly stripped from the beginning of the path to +# "foo.0" in the target fs, we would get an error here because the clone source +# "foo.0/file_a" for "foo.1/file_a.clone" can't be found. +run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/foo.1.snap" "$TEST_MNT" + +# same here, but with send -c instead of -p +run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/baz.0.snap" "$TEST_MNT" + +run_check $FSSUM_PROG -r "$srcdir/foo.0.fssum" "$TEST_MNT/foo.0" +run_check $FSSUM_PROG -r "$srcdir/foo.1.fssum" "$TEST_MNT/foo.1" +run_check $FSSUM_PROG -r "$srcdir/bar.0.fssum" "$TEST_MNT/bar.0" +run_check $FSSUM_PROG -r "$srcdir/baz.0.fssum" "$TEST_MNT/baz.0" + +run_check_umount_test_dev + +rm -rf -- "$srcdir" |