add the block-mount package by Daniel Dickinson (cshore), replacing existing automount functionality

SVN-Revision: 19877

9 files changed, 795 insertions, 0 deletions

diff --git a/package/block-mount/Makefile b/package/block-mount/Makefile
new file mode 100644
index 0000000..a31096d
--- /dev/null
+++ b/package/block-mount/Makefile
@@ -0,0 +1,86 @@
+#
+# Copyright (C) 2006-2009 OpenWrt.org
+# Copyright 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=block-mount
+PKG_VERSION:=0.1.0
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/block-mount/Default
+  SECTION:=base
+  CATEGORY:=Base system
+endef
+
+define Package/block-mount
+  $(call Package/block-mount/Default)
+  TITLE:=Block device mounting and checking
+endef
+
+define Package/block-mount/config
+  select BUSYBOX_CONFIG_MKSWAP
+  select BUSYBOX_CONFIG_FEATURE_MKSWAP_UUID
+  select BUSYBOX_CONFIG_SWAPONOFF
+  select BUSYBOX_CONFIG_BLKID
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_EXT
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_REISERFS
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_FAT
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_HFS
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_JFS
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_XFS
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_NTFS
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_SYSV
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_OCFS2
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_ISO9660
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_UDF
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_LINUXSWAP
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_CRAMFS
+  select BUSYBOX_CONFIG_FEATURE_VOLUMEID_ROMFS
+endef
+
+define Package/block-mount/description
+  Scripts used to mount and check block devices (filesystems and swap)
+endef
+
+define Package/block-hotplug
+  $(call Package/block-mount/Default)
+  TITLE:=Automount and autocheck block devices
+  DEPENDS:=block-mount hotplug2
+endef
+
+define Package/block-hotplug/description
+  Scripts used to automatically check and mount filesystem and/or swap
+endef
+
+define Build/Compile
+endef
+
+define Package/block-mount/install
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_BIN) ./files/fstab.init $(1)/etc/init.d/fstab
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_DATA) ./files/fstab.config $(1)/etc/config/fstab
+	$(INSTALL_DIR) $(1)/lib/functions
+	$(INSTALL_DATA) ./files/mount.sh $(1)/lib/functions/
+	$(INSTALL_DATA) ./files/fsck.sh $(1)/lib/functions/
+	$(INSTALL_DATA) ./files/block.sh $(1)/lib/functions/
+endef
+
+define Package/block-hotplug/install
+	$(INSTALL_DIR) $(1)/etc/hotplug.d/block
+	$(INSTALL_DATA) ./files/10-swap $(1)/etc/hotplug.d/block/
+	$(INSTALL_DATA) ./files/20-fsck $(1)/etc/hotplug.d/block/
+	$(INSTALL_DATA) ./files/40-mount $(1)/etc/hotplug.d/block/
+endef
+
+$(eval $(call BuildPackage,block-mount))
+$(eval $(call BuildPackage,block-hotplug))
+
diff --git a/package/block-mount/files/10-swap b/package/block-mount/files/10-swap
new file mode 100644
index 0000000..2837d27
--- /dev/null
+++ b/package/block-mount/files/10-swap
@@ -0,0 +1,78 @@
+#!/bin/sh
+# Copyright (C) 2009-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+. /lib/functions/block.sh
+
+blkdev=`dirname $DEVPATH`
+
+if [ `basename $blkdev` != "block" ]; then
+
+    device=`basename $DEVPATH`
+
+
+    case "$ACTION" in
+	add)
+		local autoswap_from_fstab
+		local automount_from_fstab
+		local from_fstab
+		local anon_mount
+		local anon_swap
+		local anon_fsck
+		local mds_mount_device
+		local sds_swap_device
+		local sds_swap_enabled
+		local use_device
+		local do_swap=0
+
+	    mount_dev_section_cb() {
+			mds_mount_device="$3"
+	    }
+
+	    swap_dev_section_cb() { 
+			sds_swap_device="$2"
+			sds_swap_enabled="$3"
+			return 0
+	    }
+
+		config_get_automount
+		automount_from_fstab="$from_fstab"
+		
+		[ "$automount_from_fstab" -eq 1 ] && {
+			config_get_mount_section_by_device "/dev/$device"
+		}
+		
+		# skip trying swap if this device is defined as a mount point
+		[ -z "$mds_mount_device" ] && {		
+			config_get_autoswap
+			autoswap_from_fstab="$from_fstab"
+		
+			[ "$autoswap_from_fstab" -eq 1 ] && {
+				config_get_swap_section_by_device "/dev/$device"
+				use_device="$sds_swap_device" 
+				do_swap="$sds_swap_enabled"
+			}
+
+			[ -z "$use_device" ] && [ "$anon_swap" -eq 1 ] && {
+				use_device="/dev/$device" && do_swap=1
+			}
+		}
+
+		[ -n "$use_device" ] && [ "$do_swap" -eq 1 ] && {
+			grep -q "$use_device" /proc/swaps || grep -q "$use_device" /proc/mounts || {
+				swapon "$use_device"
+			}
+		}
+		reset_dev_section_cb
+		;;
+	remove)
+		grep -q "/dev/$device" /proc/swaps && {
+			swapoff "/dev/$device"
+		}
+		;;
+    esac	
+fi
+
diff --git a/package/block-mount/files/20-fsck b/package/block-mount/files/20-fsck
new file mode 100644
index 0000000..c59e5ab
--- /dev/null
+++ b/package/block-mount/files/20-fsck
@@ -0,0 +1,83 @@
+#!/bin/sh
+# Copyright (C) 2009-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+. /lib/functions/block.sh
+. /lib/functions/fsck.sh
+
+blkdev=`dirname $DEVPATH`
+
+if [ `basename $blkdev` != "block" ]; then
+
+    device=`basename $DEVPATH`
+
+    case "$ACTION" in
+	add)
+		local from_fstab
+		local anon_mount
+		local anon_swap
+		local anon_fsck		
+		local mds_mount_target
+		local mds_mount_device
+		local mds_mount_fstype
+		local mds_mount_enabled_fsck
+		local sds_swap_device
+		local use_device
+		local do_fsck=0
+		local fsck_type
+		
+		local autoswap_from_fstab
+		local automount_from_fstab
+		local hotplug_blkid_fstype_match
+
+	    mount_dev_section_cb() {
+			mds_mount_device="$3"
+			mds_mount_fstype="$4"
+			mds_mount_enabled_fsck="$7"
+	    }
+
+	    swap_dev_section_cb() { 
+			sds_swap_device="$2"
+			return 0
+	    }
+
+		config_get_automount
+		automount_from_fstab="$from_fstab"
+		
+		[ "$automount_from_fstab" -eq 1 ] && {
+			config_get_mount_section_by_device "/dev/$device"
+			use_device="$mds_mount_device"
+			[ "$mds_mount_enabled_fsck" -eq 1 ] && { 
+				do_fsck=1
+				fsck_type="$mds_mount_fstype"
+			}
+		}
+		
+		[ -z "$use_device" ] && {
+			config_get_autoswap
+			autoswap_from_fstab="$from_fstab"
+		
+			[ "$autoswap_from_fstab" -eq 1 ] && {
+				config_get_swap_section_by_device "/dev/$device"
+				use_device="$sds_swap_device" && do_fsck=0
+			}
+		}
+		
+		grep -q "/dev/$device" /proc/swaps || grep -q "/dev/$device" /proc/mounts || {
+			[ "$anon_fsck" -eq 1 ] && [ -z "$use_device" ] && {
+				use_device="/dev/$device" && do_fsck=1 && mds_mount_fstype="" && hotplug_blkid_fstype_match=0
+			}
+		}
+		
+		[ "$do_fsck" -eq 1 ] && {		
+			libmount_fsck "$use_device" "$fsck_type" "$do_fsck"
+		}
+		
+		reset_dev_section_cb
+		;;
+    esac	
+fi
+
diff --git a/package/block-mount/files/40-mount b/package/block-mount/files/40-mount
new file mode 100644
index 0000000..0d4f669
--- /dev/null
+++ b/package/block-mount/files/40-mount
@@ -0,0 +1,84 @@
+#!/bin/sh
+# Copyright (C) 2009-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+. /lib/functions/block.sh
+
+blkdev=`dirname $DEVPATH`
+if [ `basename $blkdev` != "block" ]; then
+
+    device=`basename $DEVPATH`
+
+    case "$ACTION" in
+	add)
+
+		local from_fstab
+		local anon_mount
+		local anon_swap
+		local anon_fsck
+		local mds_mount_target
+		local mds_mount_device
+		local mds_mount_fstype
+		local sds_swap_device
+		local use_device
+		local do_fsck=0
+		local fsck_type
+		
+		local autoswap_from_fstab
+		local automount_from_fstab
+
+	    mount_dev_section_cb() {
+    		mds_mount_target="$2"
+			mds_mount_device="$3"
+			mds_mount_fstype="$4"
+			mds_mount_enabled="$6"
+	    }
+
+	    swap_dev_section_cb() { 
+			sds_swap_device="$2"
+			return 0
+	    }
+
+		config_get_automount
+		automount_from_fstab="$from_fstab"
+		[ "$automount_from_fstab" -eq 1 ] && {
+			config_get_mount_section_by_device "/dev/$device"
+			use_device="$mds_mount_device"
+			[ "$mds_mount_enabled" -eq 1 ] && {
+				if [ -n "$mds_mount_target" ]; then
+					grep -q "/dev/$device" /proc/swaps || grep -q "/dev/$device" /proc/mounts || {
+						( mkdir -p "$mds_mount_target" && mount "$mds_mount_target" ) 2>&1 | tee /proc/self/fd/2 | logger -t 'fstab'
+					}
+				else
+					logger -t 'fstab' "Mount enabled for $mds_mount_device but it doesn't have a defined mountpoint (target)"
+				fi
+			}
+		}
+
+		[ -z "$use_device" ] && {
+			config_get_autoswap
+			autoswap_from_fstab="$from_fstab"
+		
+			[ "$autoswap_from_fstab" -eq 1 ] && {
+				config_get_swap_section_by_device "/dev/$device"
+				use_device="$sds_swap_device"
+			}
+		}
+		
+		grep -q "/dev/$device" /proc/swaps || grep -q "/dev/$device" /proc/mounts || {
+			[ "$anon_mount" -eq 1 ] && [ -z "$use_device" ] && {
+				( mkdir -p /mnt/$device && mount /dev/$device /mnt/$device ) 2>&1 | tee /proc/self/fd/2 | logger -t 'fstab'
+			}
+		}
+		reset_dev_section_cb
+		;;
+	remove)
+		umount /dev/$device
+		;;
+    esac	
+
+fi
+
diff --git a/package/block-mount/files/block.sh b/package/block-mount/files/block.sh
new file mode 100644
index 0000000..b8a473a
--- /dev/null
+++ b/package/block-mount/files/block.sh
@@ -0,0 +1,262 @@
+#!/bin/sh
+# Copyright 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+. /etc/functions.sh
+
+reset_block_cb() {
+	mount_cb() { 
+		dmc_mount_cfg="$1"
+		shift # skip optional param
+		dmc_target="$2"
+		dmc_mount_device="$3"
+		dmc_fstype="$4"
+		dmc_options="$5"
+		dmc_enabled="$6"
+		dmc_enabled_fsck="$7"
+		dmc_uuid="$8"
+		dmc_label="$9"
+		shift
+		dmc_is_rootfs="$9"
+		return 0
+	}
+	swap_cb() { 
+		dsc_swap_cfg="$1"
+		shift # skip optional param
+		dsc_swap_device="$2"
+		dsc_enabled="$3"
+		dsc_uuid="$4"
+		dsc_label="$5"
+		return 0
+	}
+}
+reset_block_cb
+
+reset_dev_section_cb() {
+	mount_dev_section_cb() {
+		dmds_mount_cfg="$1"
+		dmds_mount_target="$2"
+		dmds_mount_device="$3"
+		dmds_mount_fstype="$4"
+		dmds_mount_options="$5"
+		dmds_mount_enabled="$6"
+		dmds_mount_enabled_fsck="$7"
+		dmds_mount_uuid="$8"
+		dmds_mount_label="$9"
+		shift
+		dmds_is_rootfs="$9"
+		return 0
+	}
+	swap_dev_section_cb() { 
+		dsds_swap_cfg="$1"
+		dsds_swap_device="$2"
+		dsds_swap_enabled="$3"
+		dsds_swap_uuid="$4"
+		dsds_swap_label="$5"
+		return 0
+	}
+}
+reset_dev_section_cb
+
+config_get_mount() {
+	local gm_cfg="$1"
+	local gm_param="$2"
+	local gm_target
+	local gm_device
+	local gm_fstype
+	local gm_options
+	local gm_enabled
+	local gm_enabled_fsck
+	local gm_uuid
+	local gm_label
+	local gm_is_rootfs
+	config_get gm_target "$1" target
+	config_get gm_device "$1" device
+	config_get gm_fstype "$1" fstype 'auto'
+	config_get gm_options "$1" options 'rw'
+	config_get_bool gm_enabled "$1" enabled 1
+	config_get_bool gm_enabled_fsck "$1" enabled_fsck 0
+	config_get gm_uuid "$1" uuid
+	config_get gm_label "$1" label
+	config_get_bool gm_is_rootfs "$1" is_rootfs 0
+	mount_cb "$gm_cfg" "$gm_param" "$gm_target" "$gm_device" "$gm_fstype" "$gm_options" "$gm_enabled" "$gm_enabled_fsck" "$gm_uuid" "$gm_label" "$gm_is_rootfs"
+}
+
+config_get_swap() {
+	local gs_cfg="$1"
+	local gs_param="$2"
+	local gs_device
+	local gs_enabled
+	local gs_uuid
+	local gs_label
+	config_get gs_device "$1" device
+	config_get_bool gs_enabled "$1" enabled 1
+	config_get gs_uuid "$1" uuid
+	config_get gs_label "$1" label
+
+	swap_cb "$gs_cfg" "$gs_param" "$gs_device" "$gs_enabled" "$gs_uuid" "$gs_label"
+}
+
+config_get_automount() {
+	config_load fstab
+	config_get_bool from_fstab "automount" from_fstab 1
+	config_get_bool anon_mount "automount" anon_mount 1
+	config_get_bool anon_fsck "automount" anon_fsck 0
+}
+
+config_get_autoswap() {
+	config_load fstab
+	config_get_bool from_fstab "autoswap" from_fstab 1
+	config_get_bool anon_swap "autoswap" anon_swap 0
+}
+
+config_create_swap_fstab_entry() {
+	local device="$1"
+	local enabled="$2"
+
+	[ -n "$device" ] || return 0
+
+	local fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
+	
+	mkdir -p /var/lock
+	lock /var/lock/fstab.lck
+	cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" >>"$fstabnew"
+	[ "$enabled" -eq 1 ] && echo "$device	none	swap	sw	0	0" >> "$fstabnew"
+	cat "$fstabnew" >/tmp/fstab
+	lock -u /var/lock/fstab.lck
+	rm -f $fstabnew
+}
+
+config_create_mount_fstab_entry() {
+	local device="$1"
+	local target="$2"
+	local fstype="$3"
+	local options="$4"
+	local enabled="$5"
+	options="${options:-rw}"
+	[ "$enabled" -eq 0 ] && options="noauto,$options"
+	[ -n "$target" ] || return 0
+	[ -n "$device" ] || return 0
+
+	local fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
+	
+	mkdir -p /var/lock
+	lock /var/lock/fstab.lck
+	cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" | grep -v "$target" >>"$fstabnew"
+	echo "$device	$target	$fstype	$options	0	0" >>"$fstabnew"
+	cat "$fstabnew" >/tmp/fstab		
+	lock -u /var/lock/fstab.lck
+	rm -f $fstabnew
+}
+
+libmount_find_token() {
+	local token="$1"
+	local value="$2"
+	local device
+	device="$(blkid | grep "$token=\"$value\"" | cut -f1 -d:)"
+	echo "$device"
+}
+
+libmount_find_device_by_id() {
+	local uuid="$1"
+	local label="$2"
+	local device="$3"
+	local cfg_device="$4"
+	local found_device
+	
+	if [ -n "$uuid" ]; then
+		found_device="$(libmount_find_token "UUID" "$uuid")"
+	elif [ -n "$label" ]; then
+		found_device="$(libmount_find_token "LABEL" "$label")"
+	elif [ "$device" = "$cfg_device" ]; then
+		found_device="$device"
+	elif [ -z "$device" ] && [ -e "$cfg_device" ]; then
+		found_device="$cfg_device"
+	fi
+	[ -n "$device" ] && [ "$device" != "$found_device" ] && {
+		found_device=""
+	}
+	echo "$found_device"
+}
+
+config_get_mount_section_by_device() {
+	local msbd_device="$1"
+	local msbd_mount_cfg=
+	local msbd_target=
+	local msbd_mount_device=
+	local msbd_fstype=
+	local msbd_options=
+	local msbd_enabled=
+	local msbd_enabled_fsck=
+	local msbd_uuid=
+	local msbd_label=
+	local msbd_is_rootfs
+	local msbd_blkid_fstype_match=
+	mount_cb() {
+		local mc_cfg="$1"
+		local mc_device="$2"
+		shift
+		local mc_target="$2"
+		local mc_cfgdevice="$3"
+		local mc_fstype="$4"
+		local mc_uuid="$8"
+		local mc_label="$9"
+		shift
+		local mc_is_rootfs="$9"
+		local mc_found_device=""
+		
+		mc_found_device="$(libmount_find_device_by_id "$mc_uuid" "$mc_label" "$mc_device" "$mc_cfgdevice")"
+		if [ -n "$mc_found_device" ]; then
+			msbd_mount_cfg="$mc_cfg"
+			msbd_target="$mc_target"
+			msbd_mount_device="$mc_found_device"
+			msbd_fstype="$mc_fstype"
+			msbd_options="$4"
+			msbd_enabled="$5"
+			msbd_enabled_fsck="$6"
+			msbd_uuid="$7"
+			msbd_label="$8"
+			msbd_is_rootfs="$9"
+		fi
+		return 0	
+	}
+	config_foreach config_get_mount mount "$msbd_device"
+	[ -n "$msbd_mount_device" ] && config_create_mount_fstab_entry "$msbd_mount_device" "$msbd_target" "$msbd_fstype" "$msbd_options" "$msbd_enabled" 
+	mount_dev_section_cb "$msbd_mount_cfg" "$msbd_target" "$msbd_mount_device" "$msbd_fstype" "$msbd_options" "$msbd_enabled" "$msbd_enabled_fsck" "$msbd_uuid" "$msbd_label" "$msbd_is_rootfs"
+	reset_block_cb
+}
+
+config_get_swap_section_by_device() {
+	local ssbd_device="$1"
+	local ssbd_swap_cfg=
+	local ssbd_swap_device=
+	local ssbd_enabled=
+	local ssbd_uuid=
+	local ssbd_label=
+	swap_cb() {
+		local sc_cfg="$1"
+		local sc_device="$2"
+		local sc_uuid="$5"
+		local sc_label="$6"
+		local sc_cfgdevice="$3"
+		local sc_found_device
+
+		sc_found_device="$(libmount_find_device_by_id "$sc_uuid" "$sc_label" "$sc_device" "$sc_cfgdevice")"
+		if [ -n "$sc_found_device" ]; then
+			ssbd_swap_cfg="$sc_cfg"
+			ssbd_swap_device="$sc_found_device"
+			ssbd_enabled="$4"
+			ssbd_uuid="$5"
+			ssbd_label="$6"
+		fi
+		return 0	
+	}
+	config_foreach config_get_swap swap "$ssbd_device"
+	[ -n "$ssbd_swap_device" ] && config_create_swap_fstab_entry "$ssbd_swap_device" "$ssbd_enabled"
+	swap_dev_section_cb "$ssbd_swap_cfg" "$ssbd_swap_device" "$ssbd_enabled" "$ssbd_uuid" "$ssbd_label"
+	reset_block_cb
+}
+
+
diff --git a/package/block-mount/files/fsck.sh b/package/block-mount/files/fsck.sh
new file mode 100644
index 0000000..d80e716
--- /dev/null
+++ b/package/block-mount/files/fsck.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+# Copyright 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+libmount_fsck() {
+	local device="$1"
+	local fsck_fstype="$2"
+	local fsck_enabled="$3"
+	local known_type
+	local found_fsck=0
+	
+
+	[ -n "$fsck_type" ] && [ "$fsck_type" != "swap" ] && {
+		grep -q "$device" /proc/swaps || grep -q "$device" /proc/mounts || {
+			[ -e "$device" ] && [ "$fsck_enabled" -eq 1 ] && {
+				for known_type in $libmount_known_fsck; do
+					if [ "$known_type" = "$fsck_fstype" ]; then
+						fsck_${known_type} "$device"
+						found_fsck=1
+						break
+					fi
+				done
+				if [ "$found_fsck" -ne 1 ]; then
+					logger -t 'fstab' "Unable to check/repair $device; no known fsck for filesystem type $fstype"
+				fi
+			}
+		}
+	}
+}
+
+libmount_known_fsck=""
+
+include /lib/functions/fsck
+
diff --git a/package/block-mount/files/fstab.config b/package/block-mount/files/fstab.config
new file mode 100644
index 0000000..f672ef4
--- /dev/null
+++ b/package/block-mount/files/fstab.config
@@ -0,0 +1,20 @@
+config global automount
+	option from_fstab 1
+	option anon_mount 1
+	
+config global autoswap
+	option from_fstab 1
+	option anon_swap 0
+	
+config mount
+	option target	/home
+	option device	/dev/sda1
+	option fstype	ext3
+	option options	rw,sync
+	option enabled	0
+	option enabled_fsck 0
+
+config swap
+	option device	/dev/sda2
+	option enabled	0
+
diff --git a/package/block-mount/files/fstab.init b/package/block-mount/files/fstab.init
new file mode 100644
index 0000000..bd2bf24
--- /dev/null
+++ b/package/block-mount/files/fstab.init
@@ -0,0 +1,57 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2007 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+
+START=20
+
+. /lib/functions/mount.sh
+
+do_mount() {
+	local cfg="$1"
+	config_mount_by_section "$cfg"
+}
+
+do_swapon() {
+	local cfg="$1"
+	config_swapon_by_section "$cfg"
+}
+
+do_unmount() {
+	local cfg="$1"
+
+	config_get target "$cfg" target
+	config_get_bool enabled "$cfg" "enabled" '1'
+	[ -n "$target" -a "$enabled" -gt 0 ] || return 0
+	umount $target
+}
+	
+do_swapoff() {
+	local cfg="$1"
+
+	config_get device "$cfg" device
+	config_get_bool enabled "$cfg" "enabled" '1'
+	[ -n "$device" -a  "$enabled" -gt 0 ] && type swapoff >/dev/null || return 0
+	swapoff $device
+}
+
+start() {
+	config_load fstab
+	mkdir -p /var/lock
+	lock /var/lock/fstab.lck
+	echo '# WARNING: this is an auto generated file, please use uci to set defined filesystems' > /etc/fstab
+	lock -u /var/lock/fstab.lck
+	config_foreach do_mount mount
+	config_foreach do_swapon swap
+}
+
+stop() {
+	config_load fstab
+	config_foreach do_unmount mount
+	config_foreach do_swapoff swap
+	swapoff -a
+}
+
diff --git a/package/block-mount/files/mount.sh b/package/block-mount/files/mount.sh
new file mode 100644
index 0000000..1616ca7
--- /dev/null
+++ b/package/block-mount/files/mount.sh
@@ -0,0 +1,89 @@
+#!/bin/sh
+# Copyright 2010 Vertical Communications
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+
+. /lib/functions/block.sh
+. /lib/functions/fsck.sh
+
+config_mount_by_section() {
+	local cfg="$1"
+	local find_rootfs="$2"
+
+	mount_cb() {
+		local cfg="$1"
+		local device="$2"
+		shift
+		local target="$2"
+		local cfgdevice="$3"
+		local fstype="$4"
+		local options="$5"
+		local enabled="$6"
+		local enabled_fsck="$7"
+		local uuid="$8"
+		local label="$9"
+		shift
+		local is_rootfs="$9"
+		shift
+		local found_device=""
+		local fsck_type=""
+		
+		found_device="$(libmount_find_device_by_id "$uuid" "$label" "$device" "$cfgdevice")"
+		if [ -n "$found_device" ]; then
+			if [ -z "$find_rootfs" ] || [ "$find_rootfs" -eq 0 ] || [ "$is_rootfs" -eq 1 ]; then
+				[ "$enabled_fsck" -eq 1 ] && {
+					grep -q "$found_device" /proc/swaps || grep -q "$found_device" /proc/mounts || {
+						libmount_fsck "$found_device" "$fsck_type" "$enabled_fsck"
+					}
+				}								
+	
+				[ "$is_rootfs" -eq 1 ] && [ "$find_rootfs" -eq 1 ] && {
+					target=/overlay
+				}
+				config_create_mount_fstab_entry "$found_device" "$target" "$fstype" "$options" "$enabled" 
+				grep -q "$found_device" /proc/swaps || grep -q "$found_device" /proc/mounts || {
+					[ "$enabled" -eq 1 ] && mkdir -p "$target" && mount "$target" 2>&1 | tee /proc/self/fd/2 | logger -t 'fstab'
+				}
+				
+			fi
+		fi
+		[ "$is_rootfs" -eq 1 ] && [ "$find_rootfs" -eq 1 ] && {
+			rootfs_found=1
+		}
+		return 0	
+	}
+	config_get_mount "$cfg"
+	reset_block_cb
+}
+
+config_swapon_by_section() {
+	local cfg="$1"
+
+	swap_cb() {
+		local cfg="$1"
+		local device="$2"
+		local cfgdevice="$3"
+		local enabled="$4"
+		local uuid="$5"
+		local label="$6"
+		local uuid
+		local label
+		
+		local found_device=""
+		local fsck_type=""
+		
+		found_device="$(libmount_find_device_by_id "$uuid" "$label" "$device" "$cfgdevice")"
+
+		if [ -n "$found_device" ]; then
+			config_create_swap_fstab_entry "$found_device" "$enabled"
+			grep -q "$found_device" /proc/swaps || grep -q "$found_device" /proc/mounts || {
+				[ "$enabled" -eq 1 ] && swapon "$found_device" | tee /proc/self/fd/2 | logger -t	 'fstab'
+			}
+		fi
+		return 0	
+	}
+	config_get_swap "$cfg"
+	reset_block_cb
+}