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btrfs-progs: tests: set toplevel subvolume as default when specified as 0

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Testcase for commit "btrfs-progs: subvol set-default: change id to 5 if
specified as 0".

Issue: #327
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2021-01-14 23:10:06 +01:00
parent 3c49295e8a
commit bfc7ab7c39
1 changed files with 42 additions and 0 deletions
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42
tests/misc-tests/043-subvolume-set-default-toplevel/test.sh Executable file
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#!/bin/bash
# Verify that default subvolume specified as 0 will be resolved as the toplevel
# one and not the containing subvolume of the given path
source "$TEST_TOP/common"
setup_root_helper
prepare_test_dev
check_prereq btrfs
check_prereq mkfs.btrfs
run_check_mkfs_test_dev
run_check_mount_test_dev
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/subv1"
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/subv1/subv2"
idtop=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal rootid "$TEST_MNT")
id1=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal rootid "$TEST_MNT/subv1")
id2=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal rootid "$TEST_MNT/subv1/subv2")
run_check $SUDO_HELPER "$TOP/btrfs" subvolume set-default "$id1" "$TEST_MNT"
default=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" subvolume get-default "$TEST_MNT" | awk '{print $2}')
if [ "$default" != "$id1" ]; then
_fail "setting default subvolume to $id1 did not work, found $default"
fi
run_check_umount_test_dev
# Mount subv2 into $TEST_MNT, while id1 is default
run_check_mount_test_dev -o subvolid="$id2"
# Change default back to toplevel fs tree but point to the non-default id2
run_check_stdout $SUDO_HELPER "$TOP/btrfs" subvolume set-default 0 "$TEST_MNT"
default=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" subvolume get-default "$TEST_MNT" | awk '{print $2}')
if [ "$default" != 5 ]; then
_fail "toplevel subvolume not set, found $default"
fi
run_check_umount_test_dev