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https://github.com/kdave/btrfs-progs
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27099790d9
Adds tests to mkfs-tests/036-rootdir-subvol for the modifiers to mkfs.btrfs --subvol: ro, rw, default, and default-ro. Signed-off-by: Mark Harmstone <maharmstone@fb.com>
129 lines
3.1 KiB
Bash
Executable File
129 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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# Basic test for mkfs.btrfs --subvol option
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source "$TEST_TOP/common" || exit
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check_prereq mkfs.btrfs
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check_prereq btrfs
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setup_root_helper
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prepare_test_dev
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tmp=$(_mktemp_dir mkfs-rootdir)
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basic()
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{
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run_check touch "$tmp/foo"
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run_check mkdir "$tmp/dir"
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run_check mkdir "$tmp/dir/subvol"
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run_check touch "$tmp/dir/subvol/bar"
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if [ "$1" != "" ]; then
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run_check_mkfs_test_dev --rootdir "$tmp" --subvol $1:dir/subvol
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else
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run_check_mkfs_test_dev --rootdir "$tmp" --subvol dir/subvol
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fi
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run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
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run_check_mount_test_dev -o subvolid=5
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run_check_stdout $SUDO_HELPER "$TOP/btrfs" subvolume list "$TEST_MNT" | \
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cut -d\ -f9 > "$tmp/output"
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run_check_stdout "$TOP/btrfs" property get "$TEST_MNT/dir/subvol" ro | \
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cut -d = -f2 > "$tmp/output2"
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run_check_stdout "$TOP/btrfs" subvolume get-default "$TEST_MNT" | \
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cut -d\ -f2 > "$tmp/output3"
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run_check_umount_test_dev
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result=$(cat "$tmp/output")
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if [ "$result" != "dir/subvol" ]; then
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_fail "dir/subvol not in subvolume list"
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fi
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result=$(cat "$tmp/output2")
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if [ "$1" == "ro" -o "$1" == "default-ro" ]; then
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if [ "$result" != "true" ]; then
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_fail "dir/subvol was read-write, expected read-only"
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fi
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else
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if [ "$result" != "false" ]; then
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_fail "dir/subvol was read-only, expected read-write"
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fi
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fi
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result=$(cat "$tmp/output3")
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if [ "$1" == "default" -o "$1" == "default-ro" ]; then
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if [ "$result" != "256" ]; then
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_fail "default subvol was $result, expected 256"
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fi
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else
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if [ "$result" != "5" ]; then
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_fail "default subvol was $result, expected 5"
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fi
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fi
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rm -rf -- "$tmp/foo" "$tmp/dir"
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}
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basic_hardlinks()
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{
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run_check touch "$tmp/hl1"
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run_check ln "$tmp/hl1" "$tmp/hl2"
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run_check mkdir "$tmp/dir"
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run_check ln "$tmp/hl1" "$tmp/dir/hl3"
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run_check_mkfs_test_dev --rootdir "$tmp"
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run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
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run_check_mount_test_dev
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nr_hardlink=$(run_check_stdout $SUDO_HELPER stat -c "%h" "$TEST_MNT/hl1")
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if [ "$nr_hardlink" -ne 3 ]; then
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_fail "hard link number incorrect, has ${nr_hardlink} expect 3"
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fi
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run_check_umount_test_dev
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rm -rf -- "$tmp/hl1" "$tmp/hl2" "$tmp/dir"
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}
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split_by_subvolume_hardlinks()
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{
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run_check touch "$tmp/hl1"
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run_check ln "$tmp/hl1" "$tmp/hl2"
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run_check mkdir "$tmp/subv"
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run_check ln "$tmp/hl1" "$tmp/subv/hl3"
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if [ "$1" != "" ]; then
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run_check_mkfs_test_dev --rootdir "$tmp" --subvol $1:subv
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else
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run_check_mkfs_test_dev --rootdir "$tmp" --subvol subv
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fi
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run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
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run_check_mount_test_dev -o subvolid=5
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nr_hardlink=$(run_check_stdout $SUDO_HELPER stat -c "%h" "$TEST_MNT/hl1")
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if [ "$nr_hardlink" -ne 2 ]; then
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_fail "hard link number incorrect for hl1, has ${nr_hardlink} expect 2"
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fi
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nr_hardlink=$(run_check_stdout $SUDO_HELPER stat -c "%h" "$TEST_MNT/subv/hl3")
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if [ "$nr_hardlink" -ne 1 ]; then
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_fail "hard link number incorrect for subv/hl3, has ${nr_hardlink} expect 1"
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fi
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run_check_umount_test_dev
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rm -rf -- "$tmp/hl1" "$tmp/hl2" "$tmp/subv"
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}
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for mod in "" ro rw default default-ro;
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do
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basic $mod
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split_by_subvolume_hardlinks $mod
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done
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basic_hardlinks
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rm -rf -- "$tmp"
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