[patch] openafs-1.4.8-r1-gentoo-scripts.patch

openafs-1.4.8-r1-gentoo-scripts.patch (text/plain), 3.90 KB, created by Petr Polezhaev on 2009-02-25 22:51:22 UTC

diff --git a/configs/openafs-client b/configs/openafs-client
index af827a3..b96d2b4 100644
--- a/configs/openafs-client
+++ b/configs/openafs-client
@@ -4,9 +4,18 @@
 # ENABLE_AFSDB and ENABLE_DYNROOT determine whether AFSDB support and
 # Dynroot support (dynamically generated /afs), respectively, should be
 # enabled in the AFS client.
-ENABLE_AFSDB="yes"
+ENABLE_AFSDB="no"
 ENABLE_DYNROOT="yes"
 
+# File where mount commands for futher restore will be stored
+BINDS_STORAGE="/tmp/openrc.openafs-client.binds.storage"
+
+# umount all `mount --bind`'s on stop - to remove any locks on fs
+UNBIND_ON_STOP="yes"
+
+# and restore them on start
+RESTORE_ON_START="yes"
+
 # AFS client configuration options:
 # ---------------------------------------------------------------------------
 # possible AFS client afsd configuration options (from 1.3.74) are
@@ -49,4 +58,3 @@ LARGE="-fakestat -stat 2800 -dcache 2400 -daemons 5 -volumes 128"
 MEDIUM="-fakestat -stat 2000 -dcache 800 -daemons 3 -volumes 70"
 SMALL="-fakestat -stat 300 -dcache 100 -daemons 2 -volumes 50"
 OPTIONS="AUTOMATIC"
-
diff --git a/scripts/openafs-client b/scripts/openafs-client
index 6c18b06..420c81f 100755
--- a/scripts/openafs-client
+++ b/scripts/openafs-client
@@ -2,6 +2,8 @@
 # Copyright 1999-2005 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+opts="${opts} unbind restore"
+
 depend() {
 	need net
 	after openafs-server
@@ -30,7 +32,7 @@ choose_afsdoptions() {
 
 start() {
 	ebegin "Starting OpenAFS client"
-	failed=1
+	local failed=1
 
 	eindent
 
@@ -53,6 +55,11 @@ start() {
 	else
 		cleanstart
 		failed=$?
+
+		if [[ ${failed} -eq 0 ]] && [[ "${RESTORE_ON_START}" == "yes" ]]; then
+			restore
+		fi
+
 		eend $failed
 	fi
 		
@@ -85,14 +92,82 @@ cleanstart()
 	fi
 }
 
+unbind() {
+	local binds= path= options= errors=0
+	ebegin "Saving /afs binds to ${BINDS_STORAGE}"
+
+	binds=$(mount | grep '/afs on .*bind' | \
+		sed -r 's|/afs on (.+) type none \(((([[:alnum:]]+),?)+)\)$|\1 \2|;')
+
+	if [[ -z "${binds}" ]]; then
+		eend 0
+		return 0
+	fi
+
+	if [[ -f "${BINDS_STORAGE}" ]]; then
+		ewarn "Moving existing '${BINDS_STORAGE}' to '${BINDS_STORAGE}.old'"
+		mv -f "${BINDS_STORAGE}" "${BINDS_STORAGE}.old"
+	fi
+
+	eindent
+	set ${binds};
+
+	while [ $# -gt 0 ]; do
+		path=$1
+		options=$2
+		shift; shift;
+
+		ebegin "Unmounting and saving '${path}' (${options})"
+
+		if ! umount "${path}"; then
+			ewarn "Failed to umount /afs bind: ${path}"
+			errors=$(( $errors + 1 ))
+			eend 1
+		else
+			echo "/bin/mount -o ${options} /afs \"${path}\"" \
+				>> "${BINDS_STORAGE}"
+			eend $?
+		fi
+	done
+
+	eoutdent
+
+	eend ${errors}
+	return ${errors}
+}
+
+restore() {
+	ebegin "Restoring /afs binds from ${BINDS_STORAGE}"
+	local mount_command= errors=0
+	[[ -f "${BINDS_STORAGE}" ]] || return 0
+
+	while read -r mount_command; do
+		if ! eval ${mount_command}; then
+			ewarn "Bind restore '${mount_command}' failed";
+			errors=$(( $errors + 1 ))
+		fi
+	done < ${BINDS_STORAGE}
+
+	if [[ ${errors} -gt 0 ]]; then
+		ewarn "${errors} binds failed to restore";
+	else
+		rm -f "${BINDS_STORAGE}"
+	fi
+	
+	eend ${errors}
+	return ${errors}
+}
+
 stop() {
 	ebegin "Stopping OpenAFS client"
-	failed=1
+	local failed=1
 
 	eindent
 
+	[[ "${UNBIND_ON_STOP}" == "yes" ]] && unbind
 	# Three stage process: unmount / stop daemon / unload module
 	ebegin "Unmounting /afs"
+
 	if ! umount /afs; then
 		eend 1
 	else
diff --git a/scripts/openafs-server b/scripts/openafs-server
index 0e047e2..3425979 100755
--- a/scripts/openafs-server
+++ b/scripts/openafs-server
@@ -36,17 +36,13 @@ stop() {
 
 	# This kindly kills all server processes
 	if ! /usr/bin/bos shutdown localhost -localauth -wait; then
-		eend 1
-	else
 		start-stop-daemon --quiet --stop --pidfile /var/run/bosserver.pid
-		failed=$?
-		eend $failed
 	fi
+	failed=$?
+	eend ${failed}
 
 	eoutdent
 
-	if [ $failed != 0 ]; then
-		return 1
-	fi
+	[ ${failed} -ne 0 ] && return 1
 }