mksquashfs文件系统的使用

查看当前内核支持的文件系统

cat /proc/filesystems | grep "squashfs

打包bin:

mksquashfs  system  system.bin -comp xz
-comp: COMPRESSION 压缩格式,gzip,lzo ,xz 
-b: BLOCK_SIZE 块大小,默认128KB 

烧录bin:

flashcp -v system.bin /dev/mtd5

挂载bin:

mount -t squashfs /dev/mtdblock5 /system

mount //查看文件系统挂载情况

/dev/mtdblock5 on /system type squashfs (ro,relatime)

//norflash mtd镜像打包

dd if=/dev/mtd0 of=/tmp/mtd0 
dd if=/dev/mtd1 of=/tmp/mtd1
dd if=/dev/mtd2 of=/tmp/mtd2 
dd if=/dev/mtd3 of=/tmp/mtd3
cd tmp/
cat mtd0 mtd1 mtd2 mtd3 > flash.bin 
rm mtd0 mtd1 mtd2 mtd3
或者:
cat /dev/mtd0 /dev/mtd1  /dev/mtd2 /dev/mtd3 > flash.bin