Blame SOURCES/bz1744103-Filesystem-3-fix-umount-disk-failure.patch

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From 69d607dc7568168e874f99d5a8b6bdb66b579d8b Mon Sep 17 00:00:00 2001
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From: "yusk.iida" <yusk.iida@gmail.com>
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Date: Tue, 7 May 2019 19:37:26 +0900
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Subject: [PATCH] Low: Filesystem: Fix a problem umount is not executed in the
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 event of a disk failure
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---
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 heartbeat/Filesystem | 11 ++++++++---
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 1 file changed, 8 insertions(+), 3 deletions(-)
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diff --git a/heartbeat/Filesystem b/heartbeat/Filesystem
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index 2a43d1daa..bd974f8f3 100755
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--- a/heartbeat/Filesystem
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+++ b/heartbeat/Filesystem
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@@ -278,7 +278,7 @@ determine_blockdevice() {
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 	nfs4|nfs|smbfs|cifs|glusterfs|ceph|tmpfs|overlay|overlayfs|rozofs|zfs|cvfs|none)
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 		: ;;
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 	*)
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-		DEVICE=`list_mounts | grep " $(readlink -f "$MOUNTPOINT" ) " | cut -d' ' -f1`
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+		DEVICE=`list_mounts | grep " $CANONICALIZED_MOUNTPOINT " | cut -d' ' -f1`
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 		if [ -b "$DEVICE" ]; then
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 			blockdevice=yes
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 		fi
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@@ -396,7 +396,7 @@ fstype_supported()
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 Filesystem_start()
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 {
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 	# Check if there are any mounts mounted under the mountpoint
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-	if list_mounts | grep -q -E " $(readlink -f "$MOUNTPOINT" )/\w+" >/dev/null 2>&1; then
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+	if list_mounts | grep -q -E " $CANONICALIZED_MOUNTPOINT/\w+" >/dev/null 2>&1; then
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 		ocf_log err "There is one or more mounts mounted under $MOUNTPOINT."
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 		return $OCF_ERR_CONFIGURED
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 	fi
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@@ -580,7 +580,7 @@ Filesystem_stop()
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 #
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 Filesystem_status()
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 {
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-	if list_mounts | grep -q " $(readlink -f "$MOUNTPOINT" ) " >/dev/null 2>&1; then
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+	if list_mounts | grep -q " $CANONICALIZED_MOUNTPOINT " >/dev/null 2>&1; then
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 		rc=$OCF_SUCCESS
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 		msg="$MOUNTPOINT is mounted (running)"
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 	else
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@@ -804,6 +804,11 @@ if [ -z "$OCF_RESKEY_directory" ]; then
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 else
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 	MOUNTPOINT=$(echo $OCF_RESKEY_directory | sed 's/\/*$//')
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 	: ${MOUNTPOINT:=/}
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+	CANONICALIZED_MOUNTPOINT=$(readlink -f "$MOUNTPOINT")
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+	if [ $? -ne 0 ]; then
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+		ocf_exit_reason "Could not canonicalize $MOUNTPOINT because readlink failed"
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+		exit $OCF_ERR_GENERIC
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+	fi
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 	# At this stage, $MOUNTPOINT does not contain trailing "/" unless it is "/"
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 	# TODO: / mounted via Filesystem sounds dangerous. On stop, we'll
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 	# kill the whole system. Is that a good idea?