紫色部分是不同模块之间的转换函数。
实现代码 fs jffs2 supper.c
[root@arm-linux]#mount -t jffs2 /dev/mtdblock4 /media/userdata/
[ 671.810735] =1= mount_mtd
[ 671.810897] =2= mount_mtd
[ 671.810928] =51= mount_mtd
[ 671.811788] =52= mount_mtd
[ 671.811858] =53= mount_mtd
[ 671.811887] =1=mount_mtd_nr
[ 671.811920] get_mtd_device num=4
[ 671.811947] =2=get_mtd_device num=4
[ 671.811976] =41=get_mtd_device num=4
[ 671.812003] =1=__get_mtd_device
[ 671.812027] =4=get_mtd_device err=0
[ 671.812053] =5=get_mtd_device num=4
[ 671.812082] =2=mount_mtd_nr
[ 671.812108] =1=mount_mtd_aux
[ 671.815272] =2=mount_mtd_aux
[ 671.815306] =3=mount_mtd_aux
[ 672.146965] =4=mount_mtd_aux
尚不知道实现代码位置
[root@arm-linux]#cat /proc/partitions
major minor #blocks name
31 0 28 mtdblock0
31 1 192 mtdblock1
31 2 6144 mtdblock2
31 3 9216 mtdblock3
31 4 1024 mtdblock4
179 0 15558144 mmcblk0
179 1 15554048 mmcblk0p1
[root@arm-linux]#cat /proc/mtd
dev: size erasesize name
mtd0: 00007000 00010000 "vendor"
mtd1: 00030000 00010000 "IDBlock"
mtd2: 00600000 00010000 "kernel"
mtd3: 00900000 00010000 "rootfs"
mtd4: 00100000 00010000 "parameters"
[root@arm-linux]#cat /proc/filesystems
nodev sysfs
nodev rootfs
nodev bdev
nodev proc
nodev tmpfs
nodev devtmpfs
nodev debugfs
nodev sockfs
nodev pipefs
nodev anon_inodefs
nodev configfs
nodev devpts
squashfs
nodev ramfs
vfat
msdos
exfat
nodev jffs2
nodev mtd_inodefs
nodev functionfs