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https://github.com/kdave/btrfs-progs
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0232fc320a
The documentation lacks clarity about depth to which recursive 'fi du' goes, and was pointed out by a user. Add test that creates another mount inside a filesystem and verifies that 'fi du' does not go there. Issue: #185 Signed-off-by: David Sterba <dsterba@suse.com>
47 lines
1.6 KiB
Bash
Executable File
47 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# check how deep does recursive 'fi du' go, currently it has to stop at
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# mountpoint and can continue to subvolumes
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source "$TEST_TOP/common"
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check_prereq mkfs.btrfs
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check_prereq btrfs
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setup_root_helper
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prepare_test_dev
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run_check_mkfs_test_dev
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run_check_mount_test_dev
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run_check truncate -s 0 img2
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run_check truncate -s 1G img2
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chmod a+w img2
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# create second mount with btrfs, create a file in the target mount path, the
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# mount must hide that
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run_check $SUDO_HELPER mkdir -p "$TEST_MNT"/mnt2
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run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=10 of="$TEST_MNT"/mnt2/hiddenfile
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run_check $SUDO_HELPER "$TOP"/mkfs.btrfs -f img2
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run_check $SUDO_HELPER mount -o loop img2 "$TEST_MNT"/mnt2
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run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=10 of="$TEST_MNT"/mnt2/file21
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run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=10 of="$TEST_MNT"/mnt2/file22
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run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=10 of="$TEST_MNT"/file1
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT"/subv1
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run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=10 of="$TEST_MNT"/subv1/file2
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot "$TEST_MNT"/subv1 "$TEST_MNT"/snap1
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run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=10 of="$TEST_MNT"/snap1/file3
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run_check $SUDO_HELPER find "$TEST_MNT"
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run_check_stdout $SUDO_HELPER "$TOP/btrfs" filesystem du "$TEST_MNT" |
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grep -q 'mnt2' && _fail "recursive du went to another filesystem"
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run_check_stdout $SUDO_HELPER "$TOP/btrfs" filesystem du "$TEST_MNT"/mnt2 |
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grep -q 'hiddenfile' && _fail "du sees beneath mount point"
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run_check $SUDO_HELPER umount "$TEST_MNT"/mnt2
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run_check_umount_test_dev
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rm -- img2
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