2 # test btrfs-image with a missing device (uses loop devices)
4 # - btrfs-image must not loop indefinetelly
5 # - btrfs-image will expectedly fail to produce the dump
7 source "$TEST_TOP/common"
9 check_prereq btrfs-image
10 check_prereq mkfs.btrfs
17 run_check $SUDO_HELPER $TOP/btrfs check $dev1
18 # the output file will be deleted
19 run_mayfail $SUDO_HELPER $TOP/btrfs-image $dev1 /tmp/test-img.dump
24 run_check $SUDO_HELPER $TOP/mkfs.btrfs -f -d raid1 -m raid1 $dev1 $dev2
26 # we need extents to trigger reading from all devices
27 run_check $SUDO_HELPER mount $dev1 $TEST_MNT
28 run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/a bs=1M count=10
29 run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/b bs=4k count=1000 conv=sync
30 run_check $SUDO_HELPER umount $TEST_MNT
33 run_check $SUDO_HELPER $TOP/btrfs filesystem show $dev1
34 # create a degraded raid1 filesystem, check must succeed
35 # btrfs-image must not loop
36 run_mayfail wipefs -a $dev2
37 run_check $SUDO_HELPER losetup -d $dev2
39 run_check $SUDO_HELPER $TOP/btrfs filesystem show $dev1