Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg inline_data sparse_super huge_file dir_nlink extra_isize metadata_csum
Default mount options:    (none)
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              1024
Block count:              16384
Reserved block count:     819
Overhead clusters:        1799
Free blocks:              14533
Free inodes:              1003
First block:              1
Block size:               1024
Fragment size:            1024
Group descriptor size:    64
Reserved GDT blocks:      127
Blocks per group:         8192
Fragments per group:      8192
Inodes per group:         512
Inode blocks per group:   256
Flex block group size:    16
Mount count:              0
Check interval:           15552000 (6 months)
Reserved blocks uid:      0
Reserved blocks gid:      0
First inode:              11
Inode size:	          512
Required extra isize:     32
Desired extra isize:      32
Journal inode:            8
Default directory hash:   half_md4
Journal backup:           inode blocks
Checksum type:            crc32c
Journal features:         (none)
Total journal size:       1024k
Total journal blocks:     1024
Max transaction length:   1024
Fast commit length:       0
Journal sequence:         0x00000001
Journal start:            0


Group 0: (Blocks 1-8192)
  Primary superblock at 1, Group descriptors at 2-2
  Reserved GDT blocks at 3-129
  Block bitmap at 130 (+129)
  Inode bitmap at 132 (+131)
  Inode table at 134-389 (+133)
  7495 free blocks, 491 free inodes, 5 directories, 491 unused inodes
  Free blocks: 698-8192
  Free inodes: 22-512
Group 1: (Blocks 8193-16383) [INODE_UNINIT]
  Backup superblock at 8193, Group descriptors at 8194-8194
  Reserved GDT blocks at 8195-8321
  Block bitmap at 131 (bg #0 + 130)
  Inode bitmap at 133 (bg #0 + 132)
  Inode table at 390-645 (bg #0 + 389)
  7038 free blocks, 512 free inodes, 0 directories, 512 unused inodes
  Free blocks: 9346-16383
  Free inodes: 513-1024
debugfs: stat /emptyfile
Inode: III   Type: regular    
Size: 0
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /bigfile
Inode: III   Type: regular    
Size: 32768
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /sparsefile
Inode: III   Type: regular    
Size: 1073741825
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /bigzerofile
Inode: III   Type: regular    
Size: 1073741825
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /fifo
debugfs: stat /emptydir
Inode: III   Type: directory    
Size: 60
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /dir
Inode: III   Type: directory    
Size: 60
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /dir/file
Inode: III   Type: regular    
Size: 8
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /acl_dir
Inode: III   Type: directory    
Size: 60
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: stat /acl_dir/file
Inode: III   Type: regular    
Size: 10
Fragment:  Address: 0    Number: 0    Size: 0
debugfs: ea_list dir/file
Extended attributes:
  system.data (0)
debugfs: ea_list acl_dir
Extended attributes:
  system.data (0)
  system.posix_acl_access (28) = 01 00 00 00 01 00 07 00 04 00 05 00 08 00 05 00 2a 00 00 00 10 00 05 00 20 00 05 00 
  system.posix_acl_default (28) = 01 00 00 00 01 00 07 00 04 00 05 00 08 00 05 00 04 00 00 00 10 00 05 00 20 00 05 00 
debugfs: ea_list acl_dir/file
Extended attributes:
  system.data (0)
  system.posix_acl_access (28) = 01 00 00 00 01 00 07 00 04 00 05 00 08 00 05 00 2a 00 00 00 10 00 05 00 20 00 05 00 
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.img: 21/1024 files (0.0% non-contiguous), 1851/16384 blocks
