首页
学习
活动
专区
工具
TVP
发布
社区首页 >专栏 >[042]f2fs存储结构初探

[042]f2fs存储结构初探

作者头像
王小二
发布2020-06-08 12:08:54
1.6K3
发布2020-06-08 12:08:54
举报

前言

学习文件系统的第一步,先搞清楚文件系统在设备上的存储结构,先来简单了解一下。

F2FS空间布局图和描述选自《F2FS技术拆解》 https://mp.weixin.qq.com/s/k1ibtWF_TRQi8wbqUGjMrg

F2FS空间布局

F2FS空间布局整个存储空间被划分为6个区域:

  • 超级块(SB) 包含基本分区信息和F2FS在格式化分区时确定不可更改的参数
  • 检查点(CP) 保存文件系统状态,有效NAT/SIT(见下文说明)集合的位图,孤儿inode列表(文件被删除时尚有引用无法立即释放时需被计入此列表,以便再次挂载时释放)和当前活跃段的所有者信息。和其他日志结构文件系统一样,F2FS检查点时某一给定时点一致的文件系统状态集合——可用于系统崩溃或掉电后的数据恢复。F2FS的两个检查点各占一个Segment,和前述不同的是,F2FS通过检查点头尾两个数据块中的version信息判断检查点是否有效。
  • 段信息表Segment Information Table(SIT) 包含主区域(Main Area,见下文说明)中每个段的有效块数和标记块是否有效的位图。SIT主要用于回收过程中选择需要搬移的段和识别段中有效数据。
  • 索引节点地址表Node Address Table(NAT) 用于定位所有主区域的索引节点块(包括:inode节点、直接索引节点、间接索引节点)地址。即NAT中存放的是inode或各类索引node的实际存放地址。
  • 段摘要区Segment Summary Area (SSA) 主区域所有数据块的所有者信息(即反向索引),包括:父inode号和内部偏移。SSA表项可用于搬移有效块前查找其父亲索引节点编号,
  • 主区域 Main Area 由4KB大小的数据块组成,每个块被分配用于存储数据(文件或目录内容)和索引(inode或数据块索引)。一定数量的连续块组成Segment,进而组成Section和Zone(如前所述)。一个Segment要么存储数据,要么存储索引,据此可将Segment划分为数据段和索引段。

研究眼见为实,耳听为虚,我们自己动手实验一样

一、创建块设备

在sdcard中,新建一个100MB大小的文件f2fs_device

dd if=/dev/zero of=/sdcard/f2fs_device bs=1MB count=100   

将文件f2fs_device格式化成f2fs文件系统

make_f2fs /sdcard/f2fs_device                                                                                                                                                  

将f2fs_device和loop设备绑定,生成一个虚拟块设备,如果提示设备忙,13换成其他数字

losetup /dev/block/loop13 /sdcard/f2fs_device

新建一个目录f2fs_root_dir

mkdir /sdcard/f2fs_root_dir

将loop13挂在到f2fs_root_dir目录

mount -t f2fs /dev/block/loop13 /sdcard/f2fs_root_dir

二、填充数据

在目录中新建一个1.txt文件,并且写入hello world

T1_PRO:/sdcard/f2fs_root_dir # touch 1.txt
T1_PRO:/sdcard/f2fs_root_dir # echo "hello world" > 1.txt

三、hexdump工具分析

pull出文件f2fs_device,千万别出pull f2fs_root_dir这个路径

adb pull sdcard/f2fs_device

直接用hexdump分析块设备的原始数据

hexdump -C f2fs_device 

3.1 dump开头内容分析

首先你会看到下面的一堆16进制的数字,就是块设备的原始数据

00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
#super block 1 start
*
00000400  10 20 f5 f2 01 00 0b 00  09 00 00 00 03 00 00 00  |. ..............|
00000410  0c 00 00 00 09 00 00 00  01 00 00 00 01 00 00 00  |................|
00000420  00 00 00 00 00 64 00 00  00 00 00 00 2a 00 00 00  |.....d......*...|
00000430  31 00 00 00 02 00 00 00  02 00 00 00 02 00 00 00  |1...............|
00000440  01 00 00 00 2a 00 00 00  00 02 00 00 00 02 00 00  |....*...........|
00000450  00 06 00 00 00 0a 00 00  00 0e 00 00 00 10 00 00  |................|
00000460  03 00 00 00 01 00 00 00  02 00 00 00 b6 71 aa 9d  |.............q..|
00000470  8e e2 40 64 81 df 52 71  22 74 8d ac 00 00 00 00  |..@d..Rq"t......|
00000480  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000870  00 00 00 00 00 00 00 00  00 00 00 00 22 00 00 00  |............"...|
00000880  6a 70 67 00 00 00 00 00  67 69 66 00 00 00 00 00  |jpg.....gif.....|
00000890  70 6e 67 00 00 00 00 00  61 76 69 00 00 00 00 00  |png.....avi.....|
000008a0  64 69 76 78 00 00 00 00  6d 34 61 00 00 00 00 00  |divx....m4a.....|
000008b0  6d 34 76 00 00 00 00 00  6d 34 70 00 00 00 00 00  |m4v.....m4p.....|
000008c0  6d 70 34 00 00 00 00 00  6d 70 33 00 00 00 00 00  |mp4.....mp3.....|
000008d0  33 67 70 00 00 00 00 00  77 6d 76 00 00 00 00 00  |3gp.....wmv.....|
000008e0  77 6d 61 00 00 00 00 00  6d 70 65 67 00 00 00 00  |wma.....mpeg....|
000008f0  6d 6b 76 00 00 00 00 00  6d 6f 76 00 00 00 00 00  |mkv.....mov.....|
00000900  61 73 78 00 00 00 00 00  61 73 66 00 00 00 00 00  |asx.....asf.....|
00000910  77 6d 78 00 00 00 00 00  73 76 69 00 00 00 00 00  |wmx.....svi.....|
00000920  77 76 78 00 00 00 00 00  77 76 00 00 00 00 00 00  |wvx.....wv......|
00000930  77 6d 00 00 00 00 00 00  6d 70 67 00 00 00 00 00  |wm......mpg.....|
00000940  6d 70 65 00 00 00 00 00  72 6d 00 00 00 00 00 00  |mpe.....rm......|
00000950  6f 67 67 00 00 00 00 00  6f 70 75 73 00 00 00 00  |ogg.....opus....|
00000960  66 6c 61 63 00 00 00 00  6a 70 65 67 00 00 00 00  |flac....jpeg....|
00000970  76 69 64 65 6f 00 00 00  61 70 6b 00 00 00 00 00  |video...apk.....|
00000980  73 6f 00 00 00 00 00 00  65 78 65 00 00 00 00 00  |so......exe.....|
00000990  64 62 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |db..............|
000009a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
...省略大量数据
3.1.1 超级块(SB)

超级块(SB)从0x00000400开始,也就是从1KB开始存,不是从0开始. 存在两个一模一样的超级块(SB),f2fs的设计,防止数据损坏,两个结构体间隔4KB

00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000400  10 20 f5 f2 01 00 0b 00  09 00 00 00 03 00 00 00  |. ..............|//SB1
*
00001400  10 20 f5 f2 01 00 0b 00  09 00 00 00 03 00 00 00  |. ..............|//SB2
3.1.3 检查点(CP)

检查点(CP)从0x00200000开始,也就是2MB开始,因为一个Segment为2MB,检查点(CP)是对齐的

*
00200000  3b 51 5b 23 00 00 00 00  00 28 00 00 00 00 00 00  |;Q[#.....(......|#CP

3.2 文件1.txt

整个1.txt文件对应的索引(inode)从地址0x01201000到0x01202000等于0x1000B = 4KB

留个疑问:为什么文件内容"hello world"会保存在inode块而不是在数据块?

01201000  b6 81 00 0b 00 00 00 00  00 00 00 00 01 00 00 00  |................|
01201010  0c 00 00 00 00 00 00 00  01 00 00 00 00 00 00 00  |................|
01201020  4f 26 70 5e 00 00 00 00  57 26 70 5e 00 00 00 00  |O&p^....W&p^....|
01201030  57 26 70 5e 00 00 00 00  a2 f4 2a 02 9e 08 d3 1d  |W&p^......*.....|
01201040  9e 08 d3 1d af 1e c5 19  00 00 00 00 00 00 00 00  |................|
01201050  00 00 00 00 03 00 00 00  05 00 00 00 31 2e 74 78  |............1.tx|
01201060  74 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |t...............|
01201070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01201160  00 00 00 00 00 00 00 00  00 00 00 00 68 65 6c 6c  |............hell|
01201170  6f 20 77 6f 72 6c 64 0a  00 00 00 00 00 00 00 00  |o world.........|
01201180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01201f00  00 00 00 00 00 00 00 00  00 00 00 00 11 20 f5 f2  |............. ..|
01201f10  01 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01201f20  00 00 00 00 06 07 18 00  73 65 6c 69 6e 75 78 75  |........selinuxu|
01201f30  3a 6f 62 6a 65 63 74 5f  72 3a 75 6e 6c 61 62 65  |:object_r:unlabe|
01201f40  6c 65 64 3a 73 30 00 00  00 00 00 00 00 00 00 00  |led:s0..........|
01201f50  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01201fe0  00 00 00 00 00 00 00 00  04 00 00 00 04 00 00 00  |................|
01201ff0  01 00 00 00 3a 51 5b 23  21 79 00 61 02 12 00 00  |....:Q[#!y.a....|
01202000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*

3.3

最后一行,最大的寻址是0x06400000=100MB,我们创建的块设备就是100MB

*
06400000

四、dump.f2fs工具分析

单纯的用hexdump去分析f2fs块设备上的存储结构,我们还可以通过dump.f2fs工具去查看,当然Android源码下默认dump.f2fs是关闭的,以后我再写文章如何开启Android下的dump.f2fs。

4.1 dump.f2fs使用说明

Usage: dump.f2fs [options] device
[options]:
  -d debug level [default:0]
  -i inode no (hex)
  -n [NAT dump nid from #1~#2 (decimal), for all 0~-1]
  -s [SIT dump segno from #1~#2 (decimal), for all 0~-1]
  -S sparse_mode
  -a [SSA dump segno from #1~#2 (decimal), for all 0~-1]
  -b blk_addr (in 4KB)
  -V print the version number and exit

4.2 dump.f2fs -n

触发dump node address table

1|T1_PRO:/sdcard $ dump.f2fs -n 0~-1 f2fs_device                                                                                                                                        
    Info: No support kernel version!
Info: Segments per section = 1
Info: Sections per zone = 1
Info: sector size = 512
Info: total sectors = 204800 (100 MB)
Info: MKFS version
  "4.14.117+ #1 SMP PREEMPT Mon Mar 9 21:37:48 CST 2020"
Info: FSCK version
  from "4.14.117+ #1 SMP PREEMPT Mon Mar 9 21:37:48 CST 2020"
    to "4.14.117+ #1 SMP PREEMPT Mon Mar 9 21:37:48 CST 2020"
Info: superblock features = 0 : 
Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000
Info: total FS sectors = 204800 (100 MB)
Info: CKPT version = 235b513e
Info: checkpoint state = c5 :  nat_bits crc compacted_summary unmount

Done.

查看生成文件dump_nat

T1_PRO:/sdcard $ cat dump_nat                                                                                                                                        
nid:    3   ino:    3   offset:    0    blkaddr:      4098  pack:2
nid:    4   ino:    4   offset:    0    blkaddr:      4609  pack:2

注意nid 4对应的blkaddr 4609,转成16进制就是1201,有没有点眼熟,看看3.2 中dump的1.txt的文件对应的inode第一样的地址01201000,所以blkaddr:4609就是代表nid为4的数据结构在存储设备中的地址,也就是blkaddr * 4k,还记得开头说的主区域 Main Area 由4KB大小的数据块组成嘛,正好对应。

01201000  b6 81 00 0b 00 00 00 00  00 00 00 00 01 00 00 00  |................|

4.3 dump.f2fs -i

dump inode号对应的inode结构体

T1_PRO:/sdcard $ dump.f2fs -i 4 f2fs_device                                                                                                                                             
    Info: No support kernel version!
Info: Segments per section = 1
Info: Sections per zone = 1
Info: sector size = 512
Info: total sectors = 204800 (100 MB)
Info: MKFS version
  "4.14.117+ #1 SMP PREEMPT Mon Mar 9 21:37:48 CST 2020"
Info: FSCK version
  from "4.14.117+ #1 SMP PREEMPT Mon Mar 9 21:37:48 CST 2020"
    to "4.14.117+ #1 SMP PREEMPT Mon Mar 9 21:37:48 CST 2020"
Info: superblock features = 0 : 
Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000
Info: total FS sectors = 204800 (100 MB)
Info: CKPT version = 235b513e
[print_node_info: 275] Node ID [0x4:4] is inode
i_mode                              [0x    81b6 : 33206]
i_advise                            [0x       0 : 0]
i_uid                               [0x       0 : 0]
i_gid                               [0x       0 : 0]
i_links                             [0x       1 : 1]
i_size                              [0x       c : 12]
i_blocks                            [0x       1 : 1]
i_atime                             [0x5e70264f : 1584408143]
i_atime_nsec                        [0x 22af4a2 : 36369570]
i_ctime                             [0x5e702657 : 1584408151]
i_ctime_nsec                        [0x1dd3089e : 500369566]
i_mtime                             [0x5e702657 : 1584408151]
i_mtime_nsec                        [0x1dd3089e : 500369566]
i_generation                        [0x19c51eaf : 432348847]
i_current_depth                     [0x       0 : 0]
i_xattr_nid                         [0x       0 : 0]
i_flags                             [0x       0 : 0]
i_inline                            [0x       b : 11]
i_pino                              [0x       3 : 3]
i_dir_level                         [0x       0 : 0]
i_namelen                           [0x       5 : 5]
i_name                              [1.txt]
i_ext: fofs:0 blkaddr:0 len:0
i_addr[ofs]                         [0x       0 : 0]
i_addr[ofs + 1]                     [0x6c6c6568 : 1819043176]
i_addr[ofs + 2]                     [0x6f77206f : 1870078063]
i_addr[ofs + 3]                     [0x a646c72 : 174353522]
i_addr[0x3] points data block       [0xa646c72]
i_nid[0]                            [0x       0 : 0]
i_nid[1]                            [0x       0 : 0]
i_nid[2]                            [0x       0 : 0]
i_nid[3]                            [0x       0 : 0]
i_nid[4]                            [0x       0 : 0]

xattr: e_name_index:6 e_name:selinux e_name_len:7 e_value_size:24 e_value:
753A6F626A6563745F723A756E6C6162656C65643A733000

Do you want to dump this file into ./lost_found/? [Y/N] y
Info: checkpoint state = c5 :  nat_bits crc compacted_summary unmount

Done.

如果选择y,可以dump出1.txt到./lost_found/路径下 似乎这个指令以后可以用来从原始数据直接生成文件

Do you want to dump this file into ./lost_found/? [Y/N] y
T1_PRO:/sdcard $ cat ./lost_found/1.txt                                                                                                                                                 
hello world

注意inode的i_addr,看起来数字是不是也很眼熟,其实就是hello world,为什么i_addr不是指向数据块,而是直接存储hello world。因为F2FS支持inline data(数据直接存储在inode中),小文件大小最大可达约3.4KB,在Android大量小文件场景中对存取空间占用和性能有一定优化。

i_addr[ofs + 1]                     [0x6c6c6568 : 1819043176]
i_addr[ofs + 2]                     [0x6f77206f : 1870078063]
i_addr[ofs + 3]                     [0x a646c72 : 174353522]
01201160  00 00 00 00 00 00 00 00  00 00 00 00 68 65 6c 6c  |............hell|
01201170  6f 20 77 6f 72 6c 64 0a  00 00 00 00 00 00 00 00  |o world.........|

五、总结

对f2fs存储结构学习,只有这么一点是远远不够的,为什么研究文件系统要先研究存储结构?因为文件系统的很多代码都是按照存储结构来写的,我觉得文件系统其实就是块设备的原始数据的翻译者,管理者。

六、完整dump信息

00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000400  10 20 f5 f2 01 00 0b 00  09 00 00 00 03 00 00 00  |. ..............|//SB1
00000410  0c 00 00 00 09 00 00 00  01 00 00 00 01 00 00 00  |................|
00000420  00 00 00 00 00 64 00 00  00 00 00 00 2a 00 00 00  |.....d......*...|
00000430  31 00 00 00 02 00 00 00  02 00 00 00 02 00 00 00  |1...............|
00000440  01 00 00 00 2a 00 00 00  00 02 00 00 00 02 00 00  |....*...........|
00000450  00 06 00 00 00 0a 00 00  00 0e 00 00 00 10 00 00  |................|
00000460  03 00 00 00 01 00 00 00  02 00 00 00 b6 71 aa 9d  |.............q..|
00000470  8e e2 40 64 81 df 52 71  22 74 8d ac 00 00 00 00  |..@d..Rq"t......|
00000480  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000870  00 00 00 00 00 00 00 00  00 00 00 00 22 00 00 00  |............"...|
00000880  6a 70 67 00 00 00 00 00  67 69 66 00 00 00 00 00  |jpg.....gif.....|
00000890  70 6e 67 00 00 00 00 00  61 76 69 00 00 00 00 00  |png.....avi.....|
000008a0  64 69 76 78 00 00 00 00  6d 34 61 00 00 00 00 00  |divx....m4a.....|
000008b0  6d 34 76 00 00 00 00 00  6d 34 70 00 00 00 00 00  |m4v.....m4p.....|
000008c0  6d 70 34 00 00 00 00 00  6d 70 33 00 00 00 00 00  |mp4.....mp3.....|
000008d0  33 67 70 00 00 00 00 00  77 6d 76 00 00 00 00 00  |3gp.....wmv.....|
000008e0  77 6d 61 00 00 00 00 00  6d 70 65 67 00 00 00 00  |wma.....mpeg....|
000008f0  6d 6b 76 00 00 00 00 00  6d 6f 76 00 00 00 00 00  |mkv.....mov.....|
00000900  61 73 78 00 00 00 00 00  61 73 66 00 00 00 00 00  |asx.....asf.....|
00000910  77 6d 78 00 00 00 00 00  73 76 69 00 00 00 00 00  |wmx.....svi.....|
00000920  77 76 78 00 00 00 00 00  77 76 00 00 00 00 00 00  |wvx.....wv......|
00000930  77 6d 00 00 00 00 00 00  6d 70 67 00 00 00 00 00  |wm......mpg.....|
00000940  6d 70 65 00 00 00 00 00  72 6d 00 00 00 00 00 00  |mpe.....rm......|
00000950  6f 67 67 00 00 00 00 00  6f 70 75 73 00 00 00 00  |ogg.....opus....|
00000960  66 6c 61 63 00 00 00 00  6a 70 65 67 00 00 00 00  |flac....jpeg....|
00000970  76 69 64 65 6f 00 00 00  61 70 6b 00 00 00 00 00  |video...apk.....|
00000980  73 6f 00 00 00 00 00 00  65 78 65 00 00 00 00 00  |so......exe.....|
00000990  64 62 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |db..............|
000009a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000a80  00 00 00 00 34 2e 31 34  2e 31 31 37 2b 20 23 31  |....4.14.117+ #1|
00000a90  20 53 4d 50 20 50 52 45  45 4d 50 54 20 4d 6f 6e  | SMP PREEMPT Mon|
00000aa0  20 4d 61 72 20 39 20 32  31 3a 33 37 3a 34 38 20  | Mar 9 21:37:48 |
00000ab0  43 53 54 20 32 30 32 30  00 00 00 00 00 00 00 00  |CST 2020........|
00000ac0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000b80  00 00 00 00 34 2e 31 34  2e 31 31 37 2b 20 23 31  |....4.14.117+ #1|
00000b90  20 53 4d 50 20 50 52 45  45 4d 50 54 20 4d 6f 6e  | SMP PREEMPT Mon|
00000ba0  20 4d 61 72 20 39 20 32  31 3a 33 37 3a 34 38 20  | Mar 9 21:37:48 |
00000bb0  43 53 54 20 32 30 32 30  00 00 00 00 00 00 00 00  |CST 2020........|
00000bc0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000ec0  00 00 00 00 00 01 00 00  00 00 00 00 00 00 00 00  |................|
00000ed0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00001400  10 20 f5 f2 01 00 0b 00  09 00 00 00 03 00 00 00  |. ..............|//SB2
00001410  0c 00 00 00 09 00 00 00  01 00 00 00 01 00 00 00  |................|
00001420  00 00 00 00 00 64 00 00  00 00 00 00 2a 00 00 00  |.....d......*...|
00001430  31 00 00 00 02 00 00 00  02 00 00 00 02 00 00 00  |1...............|
00001440  01 00 00 00 2a 00 00 00  00 02 00 00 00 02 00 00  |....*...........|
00001450  00 06 00 00 00 0a 00 00  00 0e 00 00 00 10 00 00  |................|
00001460  03 00 00 00 01 00 00 00  02 00 00 00 b6 71 aa 9d  |.............q..|
00001470  8e e2 40 64 81 df 52 71  22 74 8d ac 00 00 00 00  |..@d..Rq"t......|
00001480  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00001870  00 00 00 00 00 00 00 00  00 00 00 00 22 00 00 00  |............"...|
00001880  6a 70 67 00 00 00 00 00  67 69 66 00 00 00 00 00  |jpg.....gif.....|
00001890  70 6e 67 00 00 00 00 00  61 76 69 00 00 00 00 00  |png.....avi.....|
000018a0  64 69 76 78 00 00 00 00  6d 34 61 00 00 00 00 00  |divx....m4a.....|
000018b0  6d 34 76 00 00 00 00 00  6d 34 70 00 00 00 00 00  |m4v.....m4p.....|
000018c0  6d 70 34 00 00 00 00 00  6d 70 33 00 00 00 00 00  |mp4.....mp3.....|
000018d0  33 67 70 00 00 00 00 00  77 6d 76 00 00 00 00 00  |3gp.....wmv.....|
000018e0  77 6d 61 00 00 00 00 00  6d 70 65 67 00 00 00 00  |wma.....mpeg....|
000018f0  6d 6b 76 00 00 00 00 00  6d 6f 76 00 00 00 00 00  |mkv.....mov.....|
00001900  61 73 78 00 00 00 00 00  61 73 66 00 00 00 00 00  |asx.....asf.....|
00001910  77 6d 78 00 00 00 00 00  73 76 69 00 00 00 00 00  |wmx.....svi.....|
00001920  77 76 78 00 00 00 00 00  77 76 00 00 00 00 00 00  |wvx.....wv......|
00001930  77 6d 00 00 00 00 00 00  6d 70 67 00 00 00 00 00  |wm......mpg.....|
00001940  6d 70 65 00 00 00 00 00  72 6d 00 00 00 00 00 00  |mpe.....rm......|
00001950  6f 67 67 00 00 00 00 00  6f 70 75 73 00 00 00 00  |ogg.....opus....|
00001960  66 6c 61 63 00 00 00 00  6a 70 65 67 00 00 00 00  |flac....jpeg....|
00001970  76 69 64 65 6f 00 00 00  61 70 6b 00 00 00 00 00  |video...apk.....|
00001980  73 6f 00 00 00 00 00 00  65 78 65 00 00 00 00 00  |so......exe.....|
00001990  64 62 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |db..............|
000019a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00001a80  00 00 00 00 34 2e 31 34  2e 31 31 37 2b 20 23 31  |....4.14.117+ #1|
00001a90  20 53 4d 50 20 50 52 45  45 4d 50 54 20 4d 6f 6e  | SMP PREEMPT Mon|
00001aa0  20 4d 61 72 20 39 20 32  31 3a 33 37 3a 34 38 20  | Mar 9 21:37:48 |
00001ab0  43 53 54 20 32 30 32 30  00 00 00 00 00 00 00 00  |CST 2020........|
00001ac0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00001b80  00 00 00 00 34 2e 31 34  2e 31 31 37 2b 20 23 31  |....4.14.117+ #1|
00001b90  20 53 4d 50 20 50 52 45  45 4d 50 54 20 4d 6f 6e  | SMP PREEMPT Mon|
00001ba0  20 4d 61 72 20 39 20 32  31 3a 33 37 3a 34 38 20  | Mar 9 21:37:48 |
00001bb0  43 53 54 20 32 30 32 30  00 00 00 00 00 00 00 00  |CST 2020........|
00001bc0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00001ec0  00 00 00 00 00 01 00 00  00 00 00 00 00 00 00 00  |................|
00001ed0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00200000  3b 51 5b 23 00 00 00 00  00 28 00 00 00 00 00 00  |;Q[#.....(......|//CP1
00200010  03 00 00 00 00 00 00 00  10 00 00 00 16 00 00 00  |................|
00200020  24 00 00 00 00 00 00 00  01 00 00 00 02 00 00 00  |$...............|
00200030  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00200040  ff ff ff ff 03 00 02 00  00 00 00 00 00 00 00 00  |................|
00200050  00 00 00 00 03 00 00 00  14 00 00 00 09 00 00 00  |................|
00200060  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00200070  ff ff ff ff 02 00 00 00  00 00 00 00 00 00 00 00  |................|
00200080  00 00 00 00 c4 00 00 00  03 00 00 00 01 00 00 00  |................|
00200090  02 00 00 00 02 00 00 00  05 00 00 00 40 00 00 00  |............@...|
002000a0  40 00 00 00 fc 0f 00 00  20 01 00 00 00 00 00 00  |@....... .......|
002000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00200ff0  00 00 00 00 00 00 00 00  00 00 00 00 9f 58 1a 39  |.............X.9|
00201000  02 00 03 00 00 00 00 03  00 00 00 02 10 00 00 04  |................|
00201010  00 00 00 00 04 00 00 00  01 12 00 00 00 00 00 00  |................|
00201020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
002011f0  00 00 00 00 00 00 00 00  00 00 00 06 00 00 00 00  |................|
00201200  00 01 0c 20 00 00 00 00  00 00 00 00 00 00 00 00  |... ............|
00201210  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00201240  00 00 00 20 01 00 00 00  00 00 00 01 00 00 00 01  |... ............|
00201250  10 40 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |.@..............|
00201260  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00201290  00 20 01 00 00 00 00 00  00 02 00 00 00 00 14 00  |. ..............|
002012a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
002012e0  00 00 00 00 00 00 00 03  00 00 00 01 00 40 00 00  |.............@..|
002012f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00201320  00 00 00 00 00 00 00 00  00 00 00 00 00 e3 00 00  |................|
00201330  00 00 00 00 00 09 00 00  00 00 08 00 00 00 00 00  |................|
00201340  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00201380  00 00 00 14 00 00 00 00  04 00 00 00 00 00 00 00  |................|
00201390  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
002013f0  00 00 00 00 00 00 03 00  00 00 00 00 00 03 00 00  |................|
00201400  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00202000  3b 51 5b 23 00 00 00 00  00 28 00 00 00 00 00 00  |;Q[#.....(......|
00202010  03 00 00 00 00 00 00 00  10 00 00 00 16 00 00 00  |................|
00202020  24 00 00 00 00 00 00 00  01 00 00 00 02 00 00 00  |$...............|
00202030  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00202040  ff ff ff ff 03 00 02 00  00 00 00 00 00 00 00 00  |................|
00202050  00 00 00 00 03 00 00 00  14 00 00 00 09 00 00 00  |................|
00202060  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00202070  ff ff ff ff 02 00 00 00  00 00 00 00 00 00 00 00  |................|
00202080  00 00 00 00 c4 00 00 00  03 00 00 00 01 00 00 00  |................|
00202090  02 00 00 00 02 00 00 00  05 00 00 00 40 00 00 00  |............@...|
002020a0  40 00 00 00 fc 0f 00 00  20 01 00 00 00 00 00 00  |@....... .......|
002020b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00202ff0  00 00 00 00 00 00 00 00  00 00 00 00 9f 58 1a 39  |.............X.9|
00203000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00203ff0  00 00 00 00 00 00 00 00  00 00 00 01 00 00 00 00  |................|
00204000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00204ff0  00 00 00 00 00 00 00 00  00 00 00 01 00 00 00 00  |................|
00205000  39 51 5b 23 00 00 00 00  00 28 00 00 00 00 00 00  |9Q[#.....(......|
00205010  02 00 00 00 00 00 00 00  10 00 00 00 16 00 00 00  |................|
00205020  24 00 00 00 00 00 00 00  01 00 00 00 02 00 00 00  |$...............|
00205030  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00205040  ff ff ff ff 01 00 00 00  00 00 00 00 00 00 00 00  |................|
00205050  00 00 00 00 03 00 00 00  14 00 00 00 09 00 00 00  |................|
00205060  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00205070  ff ff ff ff 01 00 00 00  00 00 00 00 00 00 00 00  |................|
00205080  00 00 00 00 85 01 00 00  06 00 00 00 01 00 00 00  |................|
00205090  01 00 00 00 01 00 00 00  04 00 00 00 40 00 00 00  |............@...|
002050a0  40 00 00 00 fc 0f 00 00  00 00 00 00 00 00 00 00  |@...............|
002050b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00205ff0  00 00 00 00 00 00 00 00  00 00 00 00 83 71 6b d6  |.............qk.|
00206000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
003ff000  39 51 5b 23 83 71 6b d6  00 00 00 00 00 00 00 00  |9Q[#.qk.........|
003ff010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
003ff040  00 00 00 00 00 00 00 00  fe ff ff ff ff ff ff ff  |................|
003ff050  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
*
003ff080  ff ff ff ff ff ff ff ff  00 00 00 00 00 00 00 00  |................|
003ff090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00400000  3a 51 5b 23 00 00 00 00  00 28 00 00 00 00 00 00  |:Q[#.....(......|//CP2
00400010  03 00 00 00 00 00 00 00  10 00 00 00 16 00 00 00  |................|
00400020  24 00 00 00 00 00 00 00  01 00 00 00 02 00 00 00  |$...............|
00400030  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00400040  ff ff ff ff 02 00 01 00  00 00 00 00 00 00 00 00  |................|
00400050  00 00 00 00 03 00 00 00  14 00 00 00 09 00 00 00  |................|
00400060  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00400070  ff ff ff ff 02 00 00 00  00 00 00 00 00 00 00 00  |................|
00400080  00 00 00 00 c4 00 00 00  03 00 00 00 01 00 00 00  |................|
00400090  02 00 00 00 02 00 00 00  05 00 00 00 40 00 00 00  |............@...|
004000a0  40 00 00 00 fc 0f 00 00  e3 00 00 00 00 00 00 00  |@...............|
004000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00400ff0  00 00 00 00 00 00 00 00  00 00 00 00 21 79 00 61  |............!y.a|
00401000  02 00 03 00 00 00 00 03  00 00 00 01 10 00 00 04  |................|
00401010  00 00 00 00 04 00 00 00  00 12 00 00 00 00 00 00  |................|
00401020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
004011f0  00 00 00 00 00 00 00 00  00 00 00 06 00 00 00 00  |................|
00401200  00 01 0c 40 00 00 00 00  00 00 00 00 00 00 00 00  |...@............|
00401210  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00401240  00 00 00 e3 00 00 00 00  00 00 00 01 00 00 00 01  |................|
00401250  10 80 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00401260  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00401290  00 e3 00 00 00 00 00 00  00 02 00 00 00 00 14 00  |................|
004012a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
004012e0  00 00 00 00 00 00 00 03  00 00 00 01 00 40 00 00  |.............@..|
004012f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00401320  00 00 00 00 00 00 00 00  00 00 00 00 00 e3 00 00  |................|
00401330  00 00 00 00 00 09 00 00  00 00 08 00 00 00 00 00  |................|
00401340  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00401380  00 00 00 14 00 00 00 00  04 00 00 00 00 00 00 00  |................|
00401390  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
004013f0  00 00 00 00 00 00 03 00  00 00 00 00 00 03 00 00  |................|
00401400  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00402000  3a 51 5b 23 00 00 00 00  00 28 00 00 00 00 00 00  |:Q[#.....(......|
00402010  03 00 00 00 00 00 00 00  10 00 00 00 16 00 00 00  |................|
00402020  24 00 00 00 00 00 00 00  01 00 00 00 02 00 00 00  |$...............|
00402030  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00402040  ff ff ff ff 02 00 01 00  00 00 00 00 00 00 00 00  |................|
00402050  00 00 00 00 03 00 00 00  14 00 00 00 09 00 00 00  |................|
00402060  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00402070  ff ff ff ff 02 00 00 00  00 00 00 00 00 00 00 00  |................|
00402080  00 00 00 00 c4 00 00 00  03 00 00 00 01 00 00 00  |................|
00402090  02 00 00 00 02 00 00 00  05 00 00 00 40 00 00 00  |............@...|
004020a0  40 00 00 00 fc 0f 00 00  e3 00 00 00 00 00 00 00  |@...............|
004020b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00402ff0  00 00 00 00 00 00 00 00  00 00 00 00 21 79 00 61  |............!y.a|
00403000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00405000  00 00 00 00 00 00 00 00  00 28 00 00 00 00 00 00  |.........(......|
00405010  02 00 00 00 00 00 00 00  10 00 00 00 16 00 00 00  |................|
00405020  24 00 00 00 00 00 00 00  01 00 00 00 02 00 00 00  |$...............|
00405030  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00405040  ff ff ff ff 01 00 00 00  00 00 00 00 00 00 00 00  |................|
00405050  00 00 00 00 03 00 00 00  14 00 00 00 09 00 00 00  |................|
00405060  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
00405070  ff ff ff ff 01 00 00 00  00 00 00 00 00 00 00 00  |................|
00405080  00 00 00 00 85 01 00 00  06 00 00 00 01 00 00 00  |................|
00405090  01 00 00 00 01 00 00 00  04 00 00 00 40 00 00 00  |............@...|
004050a0  40 00 00 00 fc 0f 00 00  00 00 00 00 00 00 00 00  |@...............|
004050b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00405ff0  00 00 00 00 00 00 00 00  00 00 00 00 da 47 26 28  |.............G&(|
00406000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

*
00a00000  00 00 00 00 00 00 00 00  00 00 01 00 00 00 01 00  |................|
00a00010  00 00 00 02 00 00 00 01  00 00 00 00 03 00 00 00  |................|
00a00020  00 10 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00a00030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01000000  ed 41 00 00 00 00 00 00  00 00 00 00 02 00 00 00  |.A..............|
01000010  00 10 00 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
01000020  f5 22 70 5e 00 00 00 00  f5 22 70 5e 00 00 00 00  |."p^....."p^....|
01000030  f5 22 70 5e 00 00 00 00  00 00 00 00 00 00 00 00  |."p^............|
01000040  00 00 00 00 00 00 00 00  01 00 00 00 00 00 00 00  |................|
01000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01000160  00 00 00 00 00 00 00 00  00 16 00 00 00 00 00 00  |................|
01000170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01000fe0  00 00 00 00 00 00 00 00  03 00 00 00 03 00 00 00  |................|
01000ff0  00 00 00 00 01 00 00 00  00 00 00 00 01 10 00 00  |................|
01001000  ed 41 00 00 00 00 00 00  00 00 00 00 02 00 00 00  |.A..............|
01001010  00 10 00 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
01001020  f5 22 70 5e 00 00 00 00  f5 22 70 5e 00 00 00 00  |."p^....."p^....|
01001030  f5 22 70 5e 00 00 00 00  00 00 00 00 00 00 00 00  |."p^............|
01001040  00 00 00 00 00 00 00 00  01 00 00 00 00 00 00 00  |................|
01001050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01001160  00 00 00 00 00 00 00 00  01 16 00 00 00 00 00 00  |................|
01001170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01001fe0  00 00 00 00 00 00 00 00  03 00 00 00 03 00 00 00  |................|
01001ff0  00 00 00 00 39 51 5b 23  00 00 00 00 02 10 00 00  |....9Q[#........|
01002000  ed 41 00 00 00 00 00 00  00 00 00 00 02 00 00 00  |.A..............|
01002010  00 10 00 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
01002020  f5 22 70 5e 00 00 00 00  23 26 70 5e 00 00 00 00  |."p^....#&p^....|
01002030  23 26 70 5e 00 00 00 00  00 00 00 00 b2 46 e7 11  |#&p^.........F..|
01002040  b2 46 e7 11 00 00 00 00  01 00 00 00 00 00 00 00  |.F..............|
01002050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01002160  00 00 00 00 00 00 00 00  01 16 00 00 00 00 00 00  |................|
01002170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01002fe0  00 00 00 00 00 00 00 00  03 00 00 00 03 00 00 00  |................|
01002ff0  00 00 00 00 3a 51 5b 23  21 79 00 61 03 10 00 00  |....:Q[#!y.a....|
01003000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01200000  b6 81 00 03 00 00 00 00  00 00 00 00 01 00 00 00  |................|//Main Area
01200010  00 00 00 00 00 00 00 00  01 00 00 00 00 00 00 00  |................|
01200020  23 26 70 5e 00 00 00 00  23 26 70 5e 00 00 00 00  |#&p^....#&p^....|
01200030  23 26 70 5e 00 00 00 00  b2 46 e7 11 b2 46 e7 11  |#&p^.....F...F..|
01200040  b2 46 e7 11 af 1e c5 19  00 00 00 00 00 00 00 00  |.F..............|
01200050  00 00 00 00 03 00 00 00  05 00 00 00 31 2e 74 78  |............1.tx|
01200060  74 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |t...............|
01200070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01200f00  00 00 00 00 00 00 00 00  00 00 00 00 11 20 f5 f2  |............. ..|
01200f10  01 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01200f20  00 00 00 00 06 07 18 00  73 65 6c 69 6e 75 78 75  |........selinuxu|
01200f30  3a 6f 62 6a 65 63 74 5f  72 3a 75 6e 6c 61 62 65  |:object_r:unlabe|
01200f40  6c 65 64 3a 73 30 00 00  00 00 00 00 00 00 00 00  |led:s0..........|
01200f50  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01200fe0  00 00 00 00 00 00 00 00  04 00 00 00 04 00 00 00  |................|
01200ff0  01 00 00 00 39 51 5b 23  00 00 00 00 01 12 00 00  |....9Q[#........|
01201000  b6 81 00 0b 00 00 00 00  00 00 00 00 01 00 00 00  |................|//1.txt
01201010  0c 00 00 00 00 00 00 00  01 00 00 00 00 00 00 00  |................|
01201020  4f 26 70 5e 00 00 00 00  57 26 70 5e 00 00 00 00  |O&p^....W&p^....|
01201030  57 26 70 5e 00 00 00 00  a2 f4 2a 02 9e 08 d3 1d  |W&p^......*.....|
01201040  9e 08 d3 1d af 1e c5 19  00 00 00 00 00 00 00 00  |................|
01201050  00 00 00 00 03 00 00 00  05 00 00 00 31 2e 74 78  |............1.tx|
01201060  74 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |t...............|
01201070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01201160  00 00 00 00 00 00 00 00  00 00 00 00 68 65 6c 6c  |............hell|
01201170  6f 20 77 6f 72 6c 64 0a  00 00 00 00 00 00 00 00  |o world.........|
01201180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01201f00  00 00 00 00 00 00 00 00  00 00 00 00 11 20 f5 f2  |............. ..|
01201f10  01 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01201f20  00 00 00 00 06 07 18 00  73 65 6c 69 6e 75 78 75  |........selinuxu|
01201f30  3a 6f 62 6a 65 63 74 5f  72 3a 75 6e 6c 61 62 65  |:object_r:unlabe|
01201f40  6c 65 64 3a 73 30 00 00  00 00 00 00 00 00 00 00  |led:s0..........|
01201f50  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01201fe0  00 00 00 00 00 00 00 00  04 00 00 00 04 00 00 00  |................|
01201ff0  01 00 00 00 3a 51 5b 23  21 79 00 61 02 12 00 00  |....:Q[#!y.a....|
01202000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01600000  03 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01600010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01600020  00 00 03 00 00 00 01 00  02 00 00 00 00 03 00 00  |................|
01600030  00 02 00 02 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01600040  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01600950  2e 00 00 00 00 00 00 00  2e 2e 00 00 00 00 00 00  |................|
01600960  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01601000  07 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01601010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
01601020  00 00 03 00 00 00 01 00  02 00 00 00 00 03 00 00  |................|
01601030  00 02 00 02 12 ea 16 2d  04 00 00 00 05 00 01 00  |.......-........|
01601040  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
01601950  2e 00 00 00 00 00 00 00  2e 2e 00 00 00 00 00 00  |................|
01601960  31 2e 74 78 74 00 00 00  00 00 00 00 00 00 00 00  |1.txt...........|
01601970  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
06400000
本文参与 腾讯云自媒体分享计划,分享自作者个人站点/博客。
如有侵权请联系 cloudcommunity@tencent.com 删除

本文分享自 作者个人站点/博客 前往查看

如有侵权,请联系 cloudcommunity@tencent.com 删除。

本文参与 腾讯云自媒体分享计划  ,欢迎热爱写作的你一起参与!

评论
登录后参与评论
0 条评论
热度
最新
推荐阅读
目录
  • 前言
  • 研究眼见为实,耳听为虚,我们自己动手实验一样
  • 一、创建块设备
  • 二、填充数据
  • 三、hexdump工具分析
    • 3.1 dump开头内容分析
      • 3.2 文件1.txt
        • 3.3
        • 四、dump.f2fs工具分析
          • 4.1 dump.f2fs使用说明
            • 4.2 dump.f2fs -n
            • 4.3 dump.f2fs -i
            • 五、总结
            • 六、完整dump信息
            领券
            问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档