CS360 Project Level-1 Check List PART 2
DUE and DEMO: 4-13-2023
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Download samples/LEVEL1/diskimage; you MUST use this diskimage !!!
Sample solution: samples/LEVLE1/part1.bin (mkdir_creat_rmdir)
samples/LEVEL1/part2.bin (link_unlink_symlink)
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PART1 check list: ls_mkdir_creat_rmdir as in check1.html
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PART2 check list: link_unlink_symlink
1. startup:
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dev = 3
check: superblock magic = 0xef53 OK
ninodes=1024 nblocks=4096 inode_sise=256
inodes_per_block=4 ifactor=2
bmap=18 imap=19 iblk=20
mount root
creating P1 as running process
root shareCount=2
P1 running: command [ls|mkdir|creat|rmdir|link|unlink|symlink] :
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2. ls; mkdir dir1; creat file1; ls 10
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i_block[0] = 276
drwxr-xr-x 2 0 0 Apr 5 14:22:28 2023 1024 . [3 2]
drwxr-xr-x 2 0 0 Apr 5 14:22:28 2023 1024 .. [3 2]
******************************************************
i_block[0] = 276
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 . [3 2]
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 .. [3 2]
drwxr-xr-x 2 0 0 Apr 12 09:02:41 2023 1024 dir1 [3 11]
-rw-r--r-- 1 0 0 Apr 12 09:02:47 2023 0 file1 [3 12]
******************************************************
3. link dir1 newfile 10
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i_block[0] = 276
i_number rec_len name_len name
2 12 1 .
2 12 2 ..
11 12 4 dir1
found dir1 : inumber = 11
dir1 is a DIR, can't link to DIR
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4. link file1 newfile; ls 20
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i_block[0] = 276
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 . [3 2]
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 .. [3 2]
drwxr-xr-x 2 0 0 Apr 12 09:02:41 2023 1024 dir1 [3 11]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 file1 [3 12]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 newfile [3 12]
******************************************************
MUST show file1 newfile = [3 12] with links_count=2
5. link newfile another; ls 10
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i_block[0] = 276
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 . [3 2]
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 .. [3 2]
drwxr-xr-x 2 0 0 Apr 12 09:02:41 2023 1024 dir1 [3 11]
-rw-r--r-- 3 0 0 Apr 12 09:02:47 2023 0 file1 [3 12]
-rw-r--r-- 3 0 0 Apr 12 09:02:47 2023 0 newfile [3 12]
-rw-r--r-- 3 0 0 Apr 12 09:02:47 2023 0 another [3 12]
******************************************************
MUST show file1 newfile another = [3 12] with links_count=3
6. unlinlk file1; ls 20
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i_block[0] = 276
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 . [3 2]
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 .. [3 2]
drwxr-xr-x 2 0 0 Apr 12 09:02:41 2023 1024 dir1 [3 11]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 newfile [3 12]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 another [3 12]
******************************************************
MUST show file1 removed; newfile,another=[3 12] with links_count=2
7. symlink dir1 here; ls 20
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i_block[0] = 276
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 . [3 2]
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 .. [3 2]
drwxr-xr-x 2 0 0 Apr 12 09:02:41 2023 1024 dir1 [3 11]
lrw-r--r-- 1 0 0 Apr 12 09:15:34 2023 4 here -> dir1 [3 13]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 newfile [3 12]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 another [3 12]
******************************************************
MUST show here=[3 13], type=l,size=4; ls must show here -> dir1
8. unlink here; ls 10
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i_block[0] = 276
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 . [3 2]
drwxr-xr-x 3 0 0 Apr 5 14:22:28 2023 1024 .. [3 2]
drwxr-xr-x 2 0 0 Apr 12 09:02:41 2023 1024 dir1 [3 11]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 newfile [3 12]
-rw-r--r-- 2 0 0 Apr 12 09:02:47 2023 0 another [3 12]
******************************************************
MUST show here is removed
Total=100
============== Linux test ==============
exit from YOUR project
show diskimage # show diskimage contents under Linux
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