f6bbe06c08
Executing the script inside the directories as './test.sh' is not supposed to work but could happen accidentally. With an exit after attempting to source the we can fix that. Signed-off-by: David Sterba <dsterba@suse.com>
85 lines
2.9 KiB
Bash
Executable file
85 lines
2.9 KiB
Bash
Executable file
#!/bin/bash
|
|
# Check if logical-resolve is resolving the paths correctly for different
|
|
# subvolume tree scenarios. This used to fail when a child subvolume was
|
|
# mounted without the parent subvolume being accessible.
|
|
|
|
source "$TEST_TOP/common" || exit
|
|
|
|
setup_root_helper
|
|
prepare_test_dev
|
|
|
|
check_prereq btrfs
|
|
check_prereq mkfs.btrfs
|
|
|
|
check_logical_offset_filename()
|
|
{
|
|
local offset
|
|
|
|
offset="$1"
|
|
|
|
while read file; do
|
|
if [[ "$file" = *"inode "* ]]; then
|
|
_log "$file"
|
|
elif [ ! -f "$file" ]; then
|
|
_fail "path '$file' file cannot be accessed"
|
|
else
|
|
_log "$file"
|
|
fi
|
|
done < <(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal \
|
|
logical-resolve "$offset" "$TEST_MNT")
|
|
}
|
|
|
|
run_check_mkfs_test_dev
|
|
run_check_mount_test_dev
|
|
|
|
# Create top subvolume called '@'
|
|
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/@"
|
|
|
|
# Create a file in each subvolume of @, and each file will have 2 EXTENT_DATA
|
|
# items, and also create a snapshot to have an extent being referenced by two
|
|
# different fs trees
|
|
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/@/vol1"
|
|
vol1id=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal rootid "$TEST_MNT/@/vol1")
|
|
run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=150 of="$TEST_MNT/@/vol1/file1"
|
|
run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot "$TEST_MNT/@/vol1" "$TEST_MNT/@/snap1"
|
|
|
|
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/@/vol1/subvol1"
|
|
subvol1id=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal rootid "$TEST_MNT/@/vol1/subvol1")
|
|
run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=150 of="$TEST_MNT/@/vol1/subvol1/file2"
|
|
run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot "$TEST_MNT/@/vol1/subvol1" \
|
|
"$TEST_MNT/@/vol1/snapshot1"
|
|
|
|
run_check "$TOP/btrfs" filesystem sync "$TEST_MNT"
|
|
|
|
run_check_umount_test_dev
|
|
|
|
run_check $SUDO_HELPER mount -o subvol=/@/vol1 "$TEST_DEV" "$TEST_MNT"
|
|
# Create a bind mount to vol1. logical-resolve should avoid bind mounts,
|
|
# otherwise the test will fail
|
|
run_check $SUDO_HELPER mkdir -p "$TEST_MNT/dir"
|
|
run_check mkdir -p mnt2
|
|
run_check $SUDO_HELPER mount --bind "$TEST_MNT/dir" mnt2
|
|
# Create another bind mount to confuse logical-resolve even more.
|
|
# logical-resolve can return the original mount or mnt3, both are valid
|
|
run_check mkdir -p mnt3
|
|
run_check $SUDO_HELPER mount --bind "$TEST_MNT" mnt3
|
|
|
|
for offset in $("$TOP/btrfs" inspect-internal dump-tree -t "$vol1id" "$TEST_DEV" |
|
|
awk '/disk byte/ { print $5 }'); do
|
|
check_logical_offset_filename "$offset"
|
|
done
|
|
|
|
run_check_umount_test_dev mnt3
|
|
run_check rmdir -- mnt3
|
|
run_check_umount_test_dev mnt2
|
|
run_check rmdir -- mnt2
|
|
run_check_umount_test_dev
|
|
|
|
run_check $SUDO_HELPER mount -o subvol="/@/vol1/subvol1" "$TEST_DEV" "$TEST_MNT"
|
|
for offset in $("$TOP/btrfs" inspect-internal dump-tree -t "$subvol1id" "$TEST_DEV" |
|
|
awk '/disk byte/ { print $5 }'); do
|
|
check_logical_offset_filename "$offset"
|
|
done
|
|
|
|
run_check_umount_test_dev
|