How to mount ext3 on Memory Card ?

**MarkDark** · 09-14-2011

I was formated my 2Gb Memory Card to 3 partitions :

- Partition 1 : Linux ext3 (250Mb)
- Partition 2 : FAT16 (1,7 Gb)
- Partition 3 : Linux Swap (64 Mb)

fdisk -l

Code:

Disk /dev/mmca: 2059 MB, 2059141120 bytes
255 heads, 63 sectors/track, 250 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks  Id System
/dev/mmca1               1          30      240943+ 83 Linux
/dev/mmca2              31         242     1702890   6 FAT16
/dev/mmca3             243         250       64260  82 Linux swap

How to mount those partitions to File Manager? please help me.

**kundancool** · 09-14-2011

simple

DEST1='/ezxlocal/download/mystuff/part1'
DEST2='/ezxlocal/download/mystuff/part2'
mkdir -p $LOCATION1 $LOCATION2
mount --bind $DEST1 /dev/mmca1
mount --bind $DEST2 /dev/mmca2

you can try '/mmc/mmca1' '/mmc/mmca2' if they can be created
this should work

**MarkDark** · 09-14-2011

When I type :

LOCATION1='/ezxlocal/download/mystuff/part1'
LOCATION2='/ezxlocal/download/mystuff/part2'
mkdir -p $LOCATION1 $LOCATION2
mount --bind /dev/mmca1 $LOCATION1

it shows errors :
mount : Usage.... (it's mount command's help)

mount --bind /dev/mmca1 /mmc/mmca1

it shows : /dev/mmca1: No such file or dir

mount /dev/mmca1 /mmc/mmca1

it doesnt show anything
but when I open File Manager and then tap on Memory Card, it shows :
Unformatted memory card! Do you want to format it?

**kundancool** · 09-14-2011

sorry the command was wrong.

updated in first post

Syntax :
mount --bind <source> <location>

and don't format the card

and I think you will have to unmount /mmc/mmca1 first

umount /dev/mmca1

Please read this post
http://www.motorolafans.com/forums/a...tml#post108109

and load modules first

**MarkDark** · 09-14-2011

Thank kundan.

Originally Posted by donga

I can use it on my ROKR E6 since i try to play OPIE on 3 months ago.
I think i'd taken it from opie, please see attachment .
Code:

Code:

ext2.o  ext3.o  ext3onE6.zip  jbd.o  loop.o  mount_ext3.lin

But i doesn't know this module would work on A1200 or not, please try.

About ext3.o module it need jbd.o module load first
and loop.o is the module for loop device.
After load jbd and ext3 module. you may need to make block device file for SD partition if you not have it.
Ahh, For your conveneince you can use my script to do all.

(i create /ezxlocal/lib/modules/ directory and copy jbd.o and ext3.o into it first)

mount_ext3.lin

Code:

#!/bin/bash
# script for mount ext3 partition on SD card
# by donga <donga.nb@gmail.com>
#

MOUNT_POINT="/ezxlocal/mmc"

# First, check for module loaded
CHK_MODULE=`lsmod | grep ext3`
if [ -z "$CHK_MODULE" ];
then
    # if not loaded, then load it
    insmod /ezxlocal/lib/modules/jbd.o
    insmod /ezxlocal/lib/modules/ext3.o

    # create dev directory if not exists
    if [ ! -e /ezxlocal/dev ];
    then
        /bin/mkdir -p /ezxlocal/dev
        # Then make block device file with major 243 and
        # minor 1 for first partition.
        # If have more than 1 partition on your SD card,
        # lets change minor to your partition number
        /bin/mknod /ezxlocal/dev/mmca2 b 243 2
        /bin/chmod ug+rw /ezxlocal/dev/mmca2
    fi
fi

# Check is mount it yet.
CHK_MOUNT=`mount | grep "$MOUNT_POINT"`
if [ -z "$CHK_MOUNT" ];
then
    # check for target mount point
    [ ! -e "$MOUNT_POINT" ] && mkdir -p "$MOUNT_POINT"
    # mount ext3 partition
    /bin/mount /ezxlocal/dev/mmca2 "$MOUNT_POINT"
fi

# now your partition have mounted at /ezxlocal/mmc

have fun.

When I type

Code:

insmod /lib/modules/jbd.o

it show : insmod: can't insert '/lib/modules/jbd.o': unknow symbol in modules or invalid parameter

Same error with

Code:

insmod /lib/modules/ext3.o

/lib/modules/ext3.o, /lib/modules/loop.o and /lib/modules/jbd.o is exist.

**kundancool** · 09-14-2011

strange

well I used to get modules loaded on my firmware ext3.o

try lsmod and see whether they are loaded or not

**MarkDark** · 09-14-2011

lsmod

Code:

mux_cli 303569
paniclogger 134320 (unused)

I try master clear & master reset and then try again but still got the same errors.

**MarkDark** · 09-14-2011

I found a file S90autorun.sh in your fw:

Code:

#! /bin/sh
#
# MountSD.sh for mounting 2nd, 3rd, and 4th Partition on SD
# by eakrin@gmail.com Feb 12, 2008; 
# mod by Dark Avenger | Level_666 | lev3l666@gmail.com

mem1=`df | grep /mmc/mmca1`
		if [ "$mem1" = "" ]
		then
			set elfo="si"
		fi

echo "make mmc device "
mkdir /ezxlocal/dev
# mmca2
/bin/mknod /ezxlocal/dev/mmca2 b 243 2
/bin/chmod a=rwx /ezxlocal/dev/mmca2
# mmca3
/bin/mknod /ezxlocal/dev/mmca3 b 243 3
/bin/chmod a=rwx /ezxlocal/dev/mmca3
# mmca4
/bin/mknod /ezxlocal/dev/mmca4 b 243 4
/bin/chmod a=rwx /ezxlocal/dev/mmca4
# end


mm1=`sed -ne 1p /ezx_user/download/appwrite/setup/ezx_mmc.cfg`
mm2=`sed -ne 2p /ezx_user/download/appwrite/setup/ezx_mmc.cfg`
mm3=`sed -ne 3p /ezx_user/download/appwrite/setup/ezx_mmc.cfg`
mm4=`sed -ne 4p /ezx_user/download/appwrite/setup/ezx_mmc.cfg`
lnk=`sed -ne 5p /ezx_user/download/appwrite/setup/ezx_mmc.cfg`

mkdir $mm1
mkdir $mm2
mkdir $mm3
mkdir $mm4

echo "try to mount MMC/SD card"
#try time

# vfat
mount -t vfat /ezxlocal/dev/mmca2 $mm2 -o uid=2000 -o gid=233 -o iocharset=utf8 -o shortname=mixed -o umask=002 -o noatime
mount -t vfat /ezxlocal/dev/mmca3 $mm3 -o uid=2000 -o gid=233 -o iocharset=utf8 -o shortname=mixed -o umask=002 -o noatime
mount -t vfat /ezxlocal/dev/mmca4 $mm4 -o uid=2000 -o gid=233 -o iocharset=utf8 -o shortname=mixed -o umask=002 -o noatime
# ext
insmod /lib/modules/jbd.o
insmod /lib/modules/ext3.o
insmod /lib/modules/ext2.o
if [ "$elfo" = "si" ]; then
	mount /dev/mmca1 $mm1 -o noatime
fi
mount /ezxlocal/dev/mmca2 $mm2 -o noatime
mount /ezxlocal/dev/mmca3 $mm3 -o noatime
mount /ezxlocal/dev/mmca4 $mm4 -o noatime


echo "mount MMC/SD card end"
if [ "$lnk" = "y" ]
	then
#try time

	echo "create Symbolic link of 1-4 partitions into phone memory"

	if [ "$elfo" = "si" ]; then
		ln -s $mm1 /ezxlocal/download/mystuff/mmca1
	else
		rm /ezxlocal/download/mystuff/mmca1
	fi

	if df | grep /dev/mmca2; then
		ln -s $mm2 /ezxlocal/download/mystuff/mmca2
	else
		rm /ezxlocal/download/mystuff/mmca2
	fi

	if df | grep /dev/mmca3; then
		ln -s $mm3 /ezxlocal/download/mystuff/mmca3
	else
		rm /ezxlocal/download/mystuff/mmca3
	fi

	if df | grep /dev/mmca4; then
		ln -s $mm4 /ezxlocal/download/mystuff/mmca4
	else
		rm /ezxlocal/download/mystuff/mmca4
	fi

else
	rm /ezxlocal/download/mystuff/mmca1
	rm /ezxlocal/download/mystuff/mmca2
	rm /ezxlocal/download/mystuff/mmca3
	rm /ezxlocal/download/mystuff/mmca4
fi
echo "mounting done"

but i can't find /ezx_user/download/appwrite/setup/ezx_mmc.cfg
so, how does it work correct ?

**kundancool** · 09-15-2011

Originally Posted by MarkDark

lsmod

Code:

mux_cli 303569
paniclogger 134320 (unused)

I try master clear & master reset and then try again but still got the same errors.

I hope the below images say that I am correct and the modules get loaded

but now I can't see /dev/mmca2
lol I will try to figure out whats the problem