Remove ramdisks for RRD databases

[people/pmueller/ipfire-2.x.git] / src / initscripts / init.d / functions

diff --git a/src/initscripts/init.d/functions b/src/initscripts/init.d/functions
index e2e058d38b9d081aea1519d91e8a3832a4b9b02c..ec3e512ec74434e60a6768f8511201101567f4d1 100644 (file)
--- a/src/initscripts/init.d/functions
+++ b/src/initscripts/init.d/functions
@@ -702,4 +702,35 @@ run_subdir() {
        done
 }
 
+mem_amount() {
+        local pagesize="$(getconf PAGESIZE)"
+        local pages="$(getconf _PHYS_PAGES)"
+
+        echo "$(( ${pagesize} * ${pages} / 1024 / 1024 ))"
+}
+
+mount_ramdisk() {
+       mount -t tmpfs none $1
+}
+
+umount_ramdisk() {
+       if mountpoint $1 &>/dev/null; then
+                       umount $1
+       fi
+}
+
+backup_ramdisk() {
+               if [ ! -e $1.bak ]; then
+                       mkdir -p $1.bak
+               fi
+               cp -pR $1/* $1.bak/
+               rm -rf $1/*
+}
+
+restore_ramdisk() {
+       if [ -e $1.bak ];then
+               cp -pR $1.bak/* $1/
+               rm -rf $1.bak/*
+       fi
+}
 # End $rc_base/init.d/functions