简易获取ext2文件系统的信息
parallels@ubuntu:~/Dev/github/fetchext2$ ./fetchext2 vdisk-1k-100m
--------------------------- [B0]BootBlock
...
--------------------------- [B1]SuperBlock
s_magic = 61267
s_inodes_count = 25584
s_blocks_count = 102400
s_r_blocks_count = 5120
s_free_inodes_count = 25573
s_free_blocks_count = 94415
s_first_data_block = 1
s_log_block_size = 0
s_blocks_per_group = 8192
s_inodes_per_group = 1968
s_max_mnt_count = 0
s_mtime = Thu Jan 1 08:00:00 1970
s_wtime = Sun Aug 18 12:59:11 2024
block size = 1024
inode size = 256
--------------------------- [B2]Group Desc-0
bg_block_bitmap = 259
bg_inode_bitmap = 260
bg_inode_table = 261
bg_free_blocks_count = 7426
bg_free_inodes_count = 1957
bg_used_dirs_count = 2
bg_pad = 0
--------------------------- [B259]BMAP
0 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
64 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
128 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
192 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
256 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
320 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
384 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
448 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
512 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
576 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
640 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
704 : 11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111100
768 : ...
--------------------------- [B260]IMAP
0 : 11111111 11100000 00000000 00000000 00000000 00000000 00000000 00000000
64 : ...
--------------------------- [B261]DIRS
drwxr-xr-x
i_uid = 0
i_gid = 0
i_size = 1024
i_ctime = Sun Aug 18 12:59:11 2024
i_links_count = 3
i_block[0] = 753
--------------------------- [B753]ENTRYS
type inode rec_len name_len name
d 2 12 1 .
d 2 12 2 ..
d 11 1000 10 lost+found
--------------------------- [B2]Group Desc-1(not used)
--------------------------- [B2]Group Desc-2(not used)
--------------------------- [B2]Group Desc-3(not used)
--------------------------- [B2]Group Desc-4(not used)
--------------------------- [B2]Group Desc-5(not used)
--------------------------- [B2]Group Desc-6(not used)
--------------------------- [B2]Group Desc-7(not used)
--------------------------- [B2]Group Desc-8(not used)
--------------------------- [B2]Group Desc-9(not used)
--------------------------- [B2]Group Desc-10(not used)
--------------------------- [B2]Group Desc-11(not used)
--------------------------- [B2]Group Desc-12(not used)