52 lines
1.5 KiB
Bash
52 lines
1.5 KiB
Bash
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#!/bin/bash
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# Verify that filesystem show -d on a raw device mapper path still recognizes
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# the filesystem
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source "$TEST_TOP/common" || exit
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check_prereq mkfs.btrfs
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check_global_prereq udevadm
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check_dm_target_support linear
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setup_root_helper
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prepare_test_dev
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# Randomize last 4 characters to prevent clashes of device name on the same system
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chars=( {0..9} {a..z} {A..Z} )
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rand=${chars[$RANDOM % 62]}${chars[$RANDOM % 62]}${chars[$RANDOM % 62]}${chars[$RANDOM % 62]}
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# prep device
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dmname=btrfs-test-device-"$rand"
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dmdev="/dev/mapper/$dmname"
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_mktemp_local img 2g
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loopdev=`run_check_stdout $SUDO_HELPER losetup --find --show img`
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run_check $SUDO_HELPER dmsetup create "$dmname" --table "0 1048576 linear $loopdev 0"
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# Setting up the device may need some time to appear
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run_check $SUDO_HELPER udevadm settle
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if ! [ -b "$dmdev" ]; then
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_not_run "dm device created but not visible in /dev/mapper"
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fi
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dmraw=`readlink -f "$dmdev"`
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# test
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run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$@" "$dmdev"
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run_check $SUDO_HELPER udevadm settle
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run_check $SUDO_HELPER lsblk
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run_check $SUDO_HELPER "$TOP/btrfs" filesystem show
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run_check $SUDO_HELPER "$TOP/btrfs" filesystem show "$dmdev"
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run_check $SUDO_HELPER "$TOP/btrfs" filesystem show --all-devices "$dmdev"
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run_check $SUDO_HELPER "$TOP/btrfs" filesystem show "$dmraw"
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run_check $SUDO_HELPER "$TOP/btrfs" filesystem show --all-devices "$dmraw"
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# cleanup
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run_check $SUDO_HELPER dmsetup remove "$dmname"
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run_mayfail $SUDO_HELPER losetup -d "$loopdev"
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run_check truncate -s0 img
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rm img
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