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From d9b46474fc19d9c57e2cfb752d60319017da8410 Mon Sep 17 00:00:00 2001
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From: Oyvind Albrigtsen <oalbrigt@redhat.com>
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Date: Wed, 6 Apr 2022 14:14:19 +0200
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Subject: [PATCH] Filesystem: improve logic for UUID/label and add note that
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/dev/disk/by-{uuid,label}/ are preferred on Linux
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---
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heartbeat/Filesystem | 8 +++++---
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1 file changed, 5 insertions(+), 3 deletions(-)
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diff --git a/heartbeat/Filesystem b/heartbeat/Filesystem
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index 72a1b8623..44270ad98 100755
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--- a/heartbeat/Filesystem
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+++ b/heartbeat/Filesystem
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@@ -163,6 +163,8 @@ directory where the status file is to be placed.
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<parameter name="device" required="1">
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<longdesc lang="en">
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The name of block device for the filesystem, or -U, -L options for mount, or NFS mount specification.
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+
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+NOTE: On Linux /dev/disk/by-{uuid,label}/ are preferred to -U/-L.
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</longdesc>
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<shortdesc lang="en">block device</shortdesc>
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<content type="string" default="${OCF_RESKEY_device_default}" />
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@@ -902,11 +904,11 @@ set_blockdevice_var() {
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fi
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case "$DEVICE" in
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- --*) # Typically --uuid or --label
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- device_opt=$(echo $DEVICE | sed -E "s/([[:blank:]]|=).*//")
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+ --uuid=*|--uuid\ *|--label=*|--label\ *)
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+ device_opt=$(echo $DEVICE | sed "s/\([[:blank:]]\|=\).*//")
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DEVICE=$(echo $DEVICE | sed -E "s/$device_opt([[:blank:]]*|=)//")
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;;
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- -*) # Oh... An option to mount instead... Typically -U or -L
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+ -U*|-L*) # short versions of --uuid/--label
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device_opt=$(echo $DEVICE | cut -c1-2)
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DEVICE=$(echo $DEVICE | sed "s/$device_opt[[:blank:]]*//")
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;;
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