1 Filesystem volume name: <none>
2 Last mounted on: <not available>
3 Filesystem magic number: 0xEF53
4 Filesystem revision #: 1 (dynamic)
5 Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super huge_file dir_nlink extra_isize metadata_csum
6 Default mount options: (none)
7 Filesystem state: clean
8 Errors behavior: Continue
9 Filesystem OS type: Linux
12 Reserved block count: 819
13 Overhead clusters: 1543
19 Group descriptor size: 64
20 Reserved GDT blocks: 127
21 Blocks per group: 8192
22 Fragments per group: 8192
24 Inode blocks per group: 128
25 Flex block group size: 16
27 Check interval: 15552000 (6 months)
28 Reserved blocks uid: 0
29 Reserved blocks gid: 0
32 Required extra isize: 32
33 Desired extra isize: 32
35 Default directory hash: half_md4
36 Journal backup: inode blocks
38 Journal features: (none)
39 Total journal size: 1024k
40 Total journal blocks: 1024
41 Max transaction length: 1024
43 Journal sequence: 0x00000001
47 Group 0: (Blocks 1-8192)
48 Primary superblock at 1, Group descriptors at 2-2
49 Reserved GDT blocks at 3-129
50 Block bitmap at 130 (+129)
51 Inode bitmap at 132 (+131)
52 Inode table at 134-261 (+133)
53 7789 free blocks, 500 free inodes, 2 directories, 500 unused inodes
56 Group 1: (Blocks 8193-16383) [INODE_UNINIT]
57 Backup superblock at 8193, Group descriptors at 8194-8194
58 Reserved GDT blocks at 8195-8321
59 Block bitmap at 131 (bg #0 + 130)
60 Inode bitmap at 133 (bg #0 + 132)
61 Inode table at 262-389 (bg #0 + 261)
62 7038 free blocks, 512 free inodes, 0 directories, 512 unused inodes
63 Free blocks: 9346-16383
66 Inode: III Type: regular
67 Generation: 0 Version: 0x00000000:00000000
70 Links: 1 Blockcount: 0
71 Fragment: Address: 0 Number: 0 Size: 0
72 ctime: 0x00000000:00000000 -- Thu Jan 1 00:00:00 1970
73 atime: 0x00000000:00000000 -- Thu Jan 1 00:00:00 1970
74 mtime: 0x00000000:00000000 -- Thu Jan 1 00:00:00 1970
75 Size of extra inode fields: 32
77 security.capability (20) = 01 00 00 02 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00
79 debugfs: ea_list /file
81 security.capability (20) = 01 00 00 02 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00
82 Pass 1: Checking inodes, blocks, and sizes
83 Pass 2: Checking directory structure
84 Pass 3: Checking directory connectivity
85 Pass 4: Checking reference counts
86 Pass 5: Checking group summary information
87 test.img: 12/1024 files (0.0% non-contiguous), 1557/16384 blocks