1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or https://opensource.org/licenses/CDDL-1.0. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21 22# 23# Copyright 2017, loli10K <ezomori.nozomu@gmail.com>. All rights reserved. 24# 25 26. $STF_SUITE/include/libtest.shlib 27. $STF_SUITE/tests/functional/cli_root/zfs_set/zfs_set_common.kshlib 28. $STF_SUITE/tests/functional/zvol/zvol_common.shlib 29 30# 31# Wait for udev to settle, completely. 32# This is quite discomforting, but there's a race condition here 33# (Amazon 2015.09 x86_64 Release (TEST) is good at triggering this) where the 34# kernel tries to remove zvol device nodes while they're open by [blkid], 35# [zvol_id] or other udev related processes. 36# Calling 'udevadm settle' is not enough: wait for those processes "manually". 37# 38function udev_wait 39{ 40 udevadm trigger --action=change 41 udevadm settle 42 for i in {1..3}; do 43 blkid="$(pgrep blkid | wc -l)" 44 zvol_id="$(pgrep zvol_id | wc -l)" 45 [[ "0" == "$zvol_id" && "0" == "$blkid" ]] && return 46 udevadm settle 47 done 48 log_fail "Wait timeout reached for udev_wait" 49} 50 51# 52# Clean up udev status 53# This is also a problem on "Amazon 2015.09 x86_64 Release (TEST)" where udev, 54# sometimes, does not clean up /dev/zvol symlinks correctly for removed ZVOLs. 55# Prune those links manually, then tell udev to forget them. 56# 57function udev_cleanup 58{ 59 log_note "Pruning broken ZVOL symlinks ..." 60 61 udevadm settle 62 # find all dangling links and delete them 63 find -L "${ZVOL_DEVDIR}" -type l -print -delete 64 # purge those links from udev database 65 udevadm info --cleanup-db 66} 67 68# 69# Verify $device exists and is a block device 70# 71function blockdev_exists # device 72{ 73 typeset device="$1" 74 75 # we wait here instead of doing it in a wrapper around 'zfs set snapdev' 76 # because there are other commands (zfs snap, zfs inherit, zfs destroy) 77 # that can affect device nodes 78 for i in {1..3}; do 79 is_linux && udev_wait 80 block_device_wait "$device" 81 is_disk_device "$device" && return 0 82 done 83 log_fail "$device does not exist as a block device" 84} 85 86# 87# Verify $device does not exist 88# 89function blockdev_missing # device 90{ 91 typeset device="$1" 92 93 # we wait here instead of doing it in a wrapper around 'zfs set snapdev' 94 # because there are other commands (zfs snap, zfs inherit, zfs destroy) 95 # that can affect device nodes 96 for i in {1..3}; do 97 is_linux && udev_wait 98 block_device_wait 99 is_disk_device "$device" || return 0 100 done 101 log_fail "$device exists when not expected" 102} 103 104# 105# Verify $property on $dataset is inherited by $parent and is set to $value 106# 107function verify_inherited # property value dataset parent 108{ 109 typeset property="$1" 110 typeset value="$2" 111 typeset dataset="$3" 112 typeset parent="$4" 113 114 typeset val=$(get_prop "$property" "$dataset") 115 typeset src=$(get_source "$property" "$dataset") 116 if [[ "$val" != "$value" || "$src" != "inherited from $parent" ]]; then 117 log_fail "Dataset $dataset did not inherit $property properly:"\ 118 "expected=$value, value=$val, source=$src." 119 fi 120} 121 122# 123# Create a small partition on $device, then verify if we can access it 124# 125function verify_partition # device 126{ 127 typeset device="$1" 128 129 if ! is_disk_device "$device"; then 130 log_fail "$device is not a block device" 131 fi 132 # create a small dummy partition 133 set_partition 0 "" 1m $device 134 # verify we can access the partition on the device 135 devname="$(readlink -f "$device")" 136 if is_linux || is_freebsd; then 137 is_disk_device "${devname}p1" 138 else 139 is_disk_device "${devname}s0" 140 fi 141} 142