mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-21 13:51:42 +00:00
68d303bdbb
Patches "btrfs-progs: tests: correctly receive clones to mounted subvol"
(8eaf63bc9a) and followup are missing last
unmount which leads to failure of misc/020.
Signed-off-by: David Sterba <dsterba@suse.com>
128 lines
4.6 KiB
Bash
Executable File
128 lines
4.6 KiB
Bash
Executable File
#! /bin/bash
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#
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# Test that an incremental send operation works when in both snapshots there are
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# two directory inodes that have the same number but different generations and
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# have an entry with the same name that corresponds to different inodes in each
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# snapshot.
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source $TOP/tests/common
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check_prereq mkfs.btrfs
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check_prereq btrfs
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check_prereq fssum
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setup_root_helper
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prepare_test_dev
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FSSUM_PROG="$TOP/fssum"
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srcdir=./send-test-dir
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rm -rf "$srcdir"
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mkdir -p "$srcdir"
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run_check chmod a+rw "$srcdir"
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run_check "$TOP/mkfs.btrfs" -f "$TEST_DEV"
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run_check_mount_test_dev
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BLOCK_SIZE=$(stat -f -c %S "$TEST_MNT")
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/foo"
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/bar"
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/baz"
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/snap"
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tr '\000' 'A' < /dev/null |
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run_check $SUDO_HELPER dd of=$TEST_MNT/foo/file_a bs=$BLOCK_SIZE count=32
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tr '\000' 'B' < /dev/null |
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run_check $SUDO_HELPER dd of=$TEST_MNT/bar/file_b bs=$BLOCK_SIZE count=32
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run_check $SUDO_HELPER cp --reflink=always "$TEST_MNT/foo/file_a" "$TEST_MNT/baz/file_a"
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run_check $SUDO_HELPER cp --reflink=always "$TEST_MNT/bar/file_b" "$TEST_MNT/baz/file_b"
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# Filesystem looks like:
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#
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# .
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# |--- foo/
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# | |--- file_a
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# |--- bar/
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# | |--- file_b
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# |--- baz/
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# | |--- file_a (clone of "foo/file_a")
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# | |--- file_b (clone of "bar/file_b")
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# |--- snap/
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#
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# create snapshots and send streams
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/foo" "$TEST_MNT/snap/foo.0"
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run_check $SUDO_HELPER "$TOP/btrfs" send -f "$srcdir/foo.0.snap" "$TEST_MNT/snap/foo.0"
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/bar" "$TEST_MNT/snap/bar.0"
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run_check $SUDO_HELPER "$TOP/btrfs" send -f "$srcdir/bar.0.snap" "$TEST_MNT/snap/bar.0"
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run_check $SUDO_HELPER cp --reflink=always "$TEST_MNT/foo/file_a" "$TEST_MNT/foo/file_a.clone"
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run_check $SUDO_HELPER rm -f -- "$TEST_MNT/foo/file_a"
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/foo" \
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"$TEST_MNT/snap/foo.1"
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run_check $SUDO_HELPER "$TOP/btrfs" send -p "$TEST_MNT/snap/foo.0" -f "$srcdir/foo.1.snap" \
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"$TEST_MNT/snap/foo.1"
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "$TEST_MNT/baz" \
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"$TEST_MNT/snap/baz.0"
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run_check $SUDO_HELPER "$TOP/btrfs" send -p "$TEST_MNT/snap/foo.1" \
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-c "$TEST_MNT/snap/bar.0" -f "$srcdir/baz.0.snap" \
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"$TEST_MNT/snap/baz.0"
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# Filesystem looks like:
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#
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# .
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# |--- foo/
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# | |--- file_a.clone (clone of "foo/file_a")
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# |--- bar/
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# | |--- file_b
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# |--- baz/
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# | |--- file_a (clone of "foo/file_a")
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# | |--- file_b (clone of "bar/file_b")
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# |--- snap/
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# |--- bar.0/ (snapshot of "bar")
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# | |--- file_b
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# |--- foo.0/ (snapshot of "foo")
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# | |--- file_a
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# |--- foo.1/ (snapshot of "foo")
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# | |--- file_a.clone
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# |--- baz.0/ (snapshot of "baz")
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# | |--- file_a
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# | |--- file_b
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run_check $FSSUM_PROG -A -f -w "$srcdir/foo.0.fssum" "$TEST_MNT/snap/foo.0"
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run_check $FSSUM_PROG -A -f -w "$srcdir/foo.1.fssum" "$TEST_MNT/snap/foo.1"
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run_check $FSSUM_PROG -A -f -w "$srcdir/bar.0.fssum" "$TEST_MNT/snap/bar.0"
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run_check $FSSUM_PROG -A -f -w "$srcdir/baz.0.fssum" "$TEST_MNT/snap/baz.0"
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run_check_umount_test_dev
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run_check "$TOP/mkfs.btrfs" -f "$TEST_DEV"
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run_check_mount_test_dev
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/dest"
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run_check_umount_test_dev
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run_check_mount_test_dev -o subvol=/dest
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run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/foo.0.snap" "$TEST_MNT"
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run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/bar.0.snap" "$TEST_MNT"
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# if "dest/" is not correctly stripped from the beginning of the path to
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# "foo.0" in the target fs, we would get an error here because the clone source
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# "foo.0/file_a" for "foo.1/file_a.clone" can't be found.
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run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/foo.1.snap" "$TEST_MNT"
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# same here, but with send -c instead of -p
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run_check $SUDO_HELPER "$TOP/btrfs" receive -f "$srcdir/baz.0.snap" "$TEST_MNT"
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run_check $FSSUM_PROG -r "$srcdir/foo.0.fssum" "$TEST_MNT/foo.0"
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run_check $FSSUM_PROG -r "$srcdir/foo.1.fssum" "$TEST_MNT/foo.1"
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run_check $FSSUM_PROG -r "$srcdir/bar.0.fssum" "$TEST_MNT/bar.0"
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run_check $FSSUM_PROG -r "$srcdir/baz.0.fssum" "$TEST_MNT/baz.0"
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run_check_umount_test_dev
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rm -rf -- "$srcdir"
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