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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 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: 1543
Free blocks: 14824
Free inodes: 998
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: 128
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: 256
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 134-261 (+133)
7786 free blocks, 486 free inodes, 5 directories, 486 unused inodes
Free blocks: 407-8192
Free inodes: 27-512
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 262-389 (bg #0 + 261)
7038 free blocks, 512 free inodes, 0 directories, 512 unused inodes
Free blocks: 9346-16383
Free inodes: 513-1024
debugfs: stat /dev/
Inode: III Type: directory
Generation: 0 Version: 0x00000000:00000000
Size: 1024
File ACL: 0
Links: 4 Blockcount: 2
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
EXTENTS:
(0):404
debugfs: stat /dev/console
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 05:01 (hex 05:01)
debugfs: stat /dev/fd
Inode: III Type: symlink
Generation: 0 Version: 0x00000000:00000000
Size: 13
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Fast link dest: "/proc/self/fd"
debugfs: stat /dev/full
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 01:07 (hex 01:07)
debugfs: stat /dev/null
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 01:03 (hex 01:03)
debugfs: stat /dev/ptmx
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 05:02 (hex 05:02)
debugfs: stat /dev/pts/
Inode: III Type: directory
Generation: 0 Version: 0x00000000:00000000
Size: 1024
File ACL: 0
Links: 2 Blockcount: 2
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
EXTENTS:
(0):405
debugfs: stat /dev/random
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 01:08 (hex 01:08)
debugfs: stat /dev/shm/
Inode: III Type: directory
Generation: 0 Version: 0x00000000:00000000
Size: 1024
File ACL: 0
Links: 2 Blockcount: 2
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
EXTENTS:
(0):406
debugfs: stat /dev/stderr
Inode: III Type: symlink
Generation: 0 Version: 0x00000000:00000000
Size: 15
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Fast link dest: "/proc/self/fd/2"
debugfs: stat /dev/stdin
Inode: III Type: symlink
Generation: 0 Version: 0x00000000:00000000
Size: 15
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Fast link dest: "/proc/self/fd/0"
debugfs: stat /dev/stdout
Inode: III Type: symlink
Generation: 0 Version: 0x00000000:00000000
Size: 15
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Fast link dest: "/proc/self/fd/1"
debugfs: stat /dev/tty
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 05:00 (hex 05:00)
debugfs: stat /dev/urandom
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 01:09 (hex 01:09)
debugfs: stat /dev/zero
Inode: III Type: character special
Generation: 0 Version: 0x00000000:00000000
Size: 0
File ACL: 0
Links: 1 Blockcount: 0
Fragment: Address: 0 Number: 0 Size: 0
Size of extra inode fields: 32
Device major/minor number: 01:05 (hex 01:05)
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: 26/1024 files (0.0% non-contiguous), 1560/16384 blocks
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