android - 如何识别分区的名称

Question

从下面的分区如何知道哪些分区是引导分区，哪些分区是系统分区。是否需要执行任何不同的命令来读取分区名称。

# cat /proc/partitions                                          
major minor  #blocks  name

 253        0     409600 zram0
 179        0   15388672 mmcblk0
 179        1      12772 mmcblk0p1
 179        2      52764 mmcblk0p2
 179        3        128 mmcblk0p3
 179        4        256 mmcblk0p4
 179        5        512 mmcblk0p5
 179        6       2048 mmcblk0p6
 179        7        512 mmcblk0p7
 179        8        512 mmcblk0p8
 179        9      16896 mmcblk0p9
 179       10      13952 mmcblk0p10
 179       11       3072 mmcblk0p11
 179       12       3072 mmcblk0p12
 179       13        780 mmcblk0p13
 179       14        780 mmcblk0p14
 179       15        780 mmcblk0p15
 179       16    2826240 mmcblk0p16
 179       17       8192 mmcblk0p17
 179       18    2119680 mmcblk0p18
 179       19       6144 mmcblk0p19
 179       20      10240 mmcblk0p20
 179       21      10240 mmcblk0p21
 179       22      10240 mmcblk0p22
 179       23       6144 mmcblk0p23
 179       24       3072 mmcblk0p24
 179       25          8 mmcblk0p25
 179       26       9216 mmcblk0p26
 179       27     512000 mmcblk0p27
 179       28      20480 mmcblk0p28
 179       29    9728000 mmcblk0p29
 179       32    1921024 mmcblk1
 179       33    1920000 mmcblk1p1

用df命令

  root@android:/ # df
Filesystem             Size   Used   Free   Blksize
/dev                   910M  80.0K   910M   4096
/mnt/secure            910M  0.00K   910M   4096
/mnt/asec              910M  0.00K   910M   4096
/mnt/obb               910M  0.00K   910M   4096
/persdata/absolute    8.82M  4.26M  4.57M   4096
/system               2.66G  2.25G   417M   4096
/data                 9.25G  6.92G  2.33G   4096
/cache                1.99G  39.0M  1.95G   4096
/firmware             86.0M  8.75M  77.2M   16384
/firmware-mdm         86.0M  49.8M  36.2M   16384
/efs                  13.4M  4.23M  9.21M   4096
/mnt/shell/emulated   9.15G  6.92G  2.23G   4096
/mnt/shell/container  9.15G  6.92G  2.23G   4096
/storage/extSdCard    1.83G   758M  1.09G   32768

Answer 1

您可以使用df 命令。这将显示类似的内容:

# df -h
Filesystem Size Used Available Use% Mounted on
tmpfs 46.9M 0 46.9M 0% /dev
tmpfs 4.0M 0 4.0M 0% /sqlite_stmt_journals
/dev/block/mtdblock1 87.5M 87.5M 0 100% /system
/dev/block/mtdblock2 1.3M 1.1M 120.0k 91% /userdata
/dev/block/mmcblk0p1 944.9M 130.4M 804.9M 14% /data
/dev/block/mtdblock5 35.8M 1.6M 34.2M 4% /dbdata
/dev/block/mtdblock4 87.5M 4.9M 82.6M 6% /cache
/dev/block/vold/180:2
6.6G 2.7G 3.8G 41% /sdcard
/dev/block/vold/179:9
7.6G 1.5G 6.1G 19% /sdcard/sd

第二个选项是读取 /proc/self/mountinfo 文件。