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create fs
Filesystem volume name: <none>
Last mounted on: <not available>
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: ext_attr 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: 265
Free blocks: 16065
Free inodes: 1006
First block: 1
Block size: 1024
Fragment size: 1024
Group descriptor size: 64
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
Default directory hash: half_md4
Checksum type: crc32c
Group 0: (Blocks 1-8192)
Primary superblock at 1, Group descriptors at 2-2
Block bitmap at 3 (+2)
Inode bitmap at 5 (+4)
Inode table at 7-134 (+6)
7876 free blocks, 494 free inodes, 4 directories, 494 unused inodes
Free blocks: 317-8192
Free inodes: 19-512
Group 1: (Blocks 8193-16383) [INODE_UNINIT]
Backup superblock at 8193, Group descriptors at 8194-8194
Block bitmap at 4 (bg #0 + 3)
Inode bitmap at 6 (bg #0 + 5)
Inode table at 135-262 (bg #0 + 134)
8189 free blocks, 512 free inodes, 0 directories, 512 unused inodes
Free blocks: 8195-16383
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: 1024
Fragment: Address: 0 Number: 0 Size: 0
debugfs: stat /dir
Inode: III Type: directory
Size: 1024
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: ex /emptyfile
Level Entries Logical Physical Length Flags
debugfs: ex /bigfile
Level Entries Logical Physical Length Flags
X 0/0 1/1 0-31 AAA-BBB 32
debugfs: ex /sparsefile
Level Entries Logical Physical Length Flags
Y 0/1 1/1 1-1048576 AAA 1048576
X 1/1 1/5 1-1 AAA-BBB 1
X 1/1 2/5 512-512 AAA-BBB 1
X 1/1 3/5 1024-1024 AAA-BBB 1
X 1/1 4/5 524288-524288 AAA-BBB 1
X 1/1 5/5 1048576-1048576 AAA-BBB 1
debugfs: ex /bigzerofile
Level Entries Logical Physical Length Flags
debugfs: ex /dir
Level Entries Logical Physical Length Flags
X 0/0 1/1 0-0 AAA-BBB 1
debugfs: ex /dir/file
Level Entries Logical Physical Length Flags
X 0/0 1/1 0-0 AAA-BBB 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.img: 18/1024 files (0.0% non-contiguous), 319/16384 blocks
minify fs
Setting reserved blocks percentage to 0% (0 blocks)
Resizing the filesystem on test.img to 338 (1k) blocks.
The filesystem on test.img is now 338 (1k) blocks long.
Filesystem volume name: <none>
Last mounted on: <not available>
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: ext_attr 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: 512
Block count: 338
Reserved block count: 0
Free blocks: 151
Free inodes: 494
First block: 1
Block size: 1024
Fragment size: 1024
Group descriptor size: 64
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
Default directory hash: half_md4
Checksum type: crc32c
Group 0: (Blocks 1-337)
Primary superblock at 1, Group descriptors at 2-2
Block bitmap at 3 (+2)
Inode bitmap at 5 (+4)
Inode table at 7-134 (+6)
151 free blocks, 494 free inodes, 4 directories, 494 unused inodes
Free blocks: 4, 6, 135-262, 317-337
Free inodes: 19-512
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: 18/512 files (0.0% non-contiguous), 187/338 blocks
minify fs (2)
Setting reserved blocks percentage to 0% (0 blocks)
Resizing the filesystem on test.img to 188 (1k) blocks.
The filesystem on test.img is now 188 (1k) blocks long.
Filesystem volume name: <none>
Last mounted on: <not available>
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: ext_attr 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: 512
Block count: 188
Reserved block count: 0
Free blocks: 1
Free inodes: 494
First block: 1
Block size: 1024
Fragment size: 1024
Group descriptor size: 64
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
Default directory hash: half_md4
Checksum type: crc32c
Group 0: (Blocks 1-187)
Primary superblock at 1, Group descriptors at 2-2
Block bitmap at 3 (+2)
Inode bitmap at 5 (+4)
Inode table at 7-134 (+6)
1 free blocks, 494 free inodes, 4 directories, 494 unused inodes
Free blocks: 187
Free inodes: 19-512
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: 18/512 files (5.6% non-contiguous), 187/188 blocks
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