1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
mke2fs -F -O resize_inode -o Linux -b 1024 -g 1024 test.img 16384
Creating filesystem with 16384 1k blocks and 4096 inodes
Superblock backups stored on blocks:
1025, 3073, 5121, 7169, 9217
Allocating group tables: done
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 0
-----------------------------------------------
debugfs -R ''set_inode_field <7> block[2] 42'' -w test.img
Exit status is 0
Resize inode not valid. Recreate? yes
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #0 (685, counted=686).
Fix? yes
Free blocks count wrong (13764, counted=13765).
Fix? yes
test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 1
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 0
-----------------------------------------------
debugfs -R ''clri <7>'' -w test.img
Exit status is 0
Resize inode not valid. Recreate? yes
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #0 (685, counted=686).
Fix? yes
Free blocks count wrong (13764, counted=13765).
Fix? yes
test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 1
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 0
-----------------------------------------------
debugfs -R ''set_inode_field <7> bmap[524] 57'' -w test.img
Exit status is 0
Resize inode not valid. Recreate? yes
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #0 (685, counted=686).
Fix? yes
Free blocks count wrong (13764, counted=13765).
Fix? yes
test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 1
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 0
-----------------------------------------------
debugfs -R ''set_super_value reserved_gdt_blocks 15679'' -w test.img
Exit status is 0
ext2fs_check_desc: Corrupt group descriptor: bad block for block bitmap
../e2fsck/e2fsck: Group descriptors look bad... trying backup blocks...
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 11/4096 files (0.0% non-contiguous), 2619/16384 blocks
Exit status is 1
-----------------------------------------------
debugfs -R ''set_super_value reserved_gdt_blocks 32'' -w test.img
Exit status is 0
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences: -(35--258) -(1059--1282) -(3107--3330) -(5155--5378) -(7203--7426) -(9251--9474)
Fix? yes
Free blocks count wrong for group #0 (686, counted=910).
Fix? yes
Free blocks count wrong for group #1 (700, counted=924).
Fix? yes
Free blocks count wrong for group #3 (700, counted=924).
Fix? yes
Free blocks count wrong for group #5 (700, counted=924).
Fix? yes
Free blocks count wrong for group #7 (700, counted=924).
Fix? yes
Free blocks count wrong for group #9 (700, counted=924).
Fix? yes
Free blocks count wrong (13765, counted=15109).
Fix? yes
test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
test_filesys: 11/4096 files (0.0% non-contiguous), 1275/16384 blocks
Exit status is 1
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
test_filesys: 11/4096 files (0.0% non-contiguous), 1275/16384 blocks
Exit status is 0
|
