ls -al /dev/block/

brw------- root     root       7,   0 2015-01-21 17:13 loop0
brw------- root     root       7,   1 2015-01-21 17:13 loop1
brw------- root     root       7,   2 2015-01-21 17:13 loop2
brw------- root     root       7,   3 2015-01-21 17:13 loop3
brw------- root     root       7,   4 2015-01-21 17:13 loop4
brw------- root     root       7,   5 2015-01-21 17:13 loop5
brw------- root     root       7,   6 2015-01-21 17:13 loop6
brw------- root     root       7,   7 2015-01-21 17:13 loop7
brw-rw---- root     system   179,   0 2015-01-21 17:13 mmcblk0
brw------- root     root     179,   1 2015-01-21 17:13 mmcblk0p1
brw------- root     root      31,   0 2015-01-21 17:13 mtdblock0
brw------- root     root      31,   1 2015-01-21 17:13 mtdblock1
brw------- root     root      31,  10 2015-01-21 17:13 mtdblock10
brw------- root     root      31,  11 2015-01-21 17:13 mtdblock11
brw------- root     root      31,  12 2015-01-21 17:13 mtdblock12
brw------- root     root      31,  13 2015-01-21 17:13 mtdblock13
brw------- root     root      31,  14 2015-01-21 17:13 mtdblock14
brw------- root     root      31,  15 2015-01-21 17:13 mtdblock15
brw------- root     root      31,  16 2015-01-21 17:13 mtdblock16
brw------- root     root      31,  17 2015-01-21 17:13 mtdblock17
brw------- root     root      31,  18 2015-01-21 17:13 mtdblock18
brw------- root     root      31,  19 2015-01-21 17:13 mtdblock19
brw------- root     root      31,   2 2015-01-21 17:13 mtdblock2
brw------- root     root      31,  20 2015-01-21 17:13 mtdblock20
brw------- root     root      31,  21 2015-01-21 17:13 mtdblock21
brw------- root     root      31,   3 2015-01-21 17:13 mtdblock3
brw------- root     root      31,   4 2015-01-21 17:13 mtdblock4
brw------- root     root      31,   5 2015-01-21 17:13 mtdblock5
brw------- root     root      31,   6 2015-01-21 17:13 mtdblock6
brw------- root     root      31,   7 2015-01-21 17:13 mtdblock7
brw------- root     root      31,   8 2015-01-21 17:13 mtdblock8
brw------- root     root      31,   9 2015-01-21 17:13 mtdblock9
drwxr-xr-x root     root              2015-01-21 17:13 platform
drwx------ root     root              2015-01-21 17:13 vold
brw------- root     root     253,   0 2015-01-21 17:13 zram0