1create fs 2Filesystem volume name: <none> 3Last mounted on: <not available> 4Filesystem magic number: 0xEF53 5Filesystem revision #: 1 (dynamic) 6Filesystem features: ext_attr dir_index filetype extent 64bit flex_bg sparse_super huge_file dir_nlink extra_isize metadata_csum 7Default mount options: (none) 8Filesystem state: clean 9Errors behavior: Continue 10Filesystem OS type: Linux 11Inode count: 1024 12Block count: 16384 13Reserved block count: 819 14Overhead clusters: 265 15Free blocks: 16065 16Free inodes: 1006 17First block: 1 18Block size: 1024 19Fragment size: 1024 20Group descriptor size: 64 21Blocks per group: 8192 22Fragments per group: 8192 23Inodes per group: 512 24Inode blocks per group: 128 25Flex block group size: 16 26Mount count: 0 27Check interval: 15552000 (6 months) 28Reserved blocks uid: 0 29Reserved blocks gid: 0 30First inode: 11 31Inode size: 256 32Required extra isize: 32 33Desired extra isize: 32 34Default directory hash: half_md4 35Checksum type: crc32c 36 37 38Group 0: (Blocks 1-8192) 39 Primary superblock at 1, Group descriptors at 2-2 40 Block bitmap at 3 (+2) 41 Inode bitmap at 5 (+4) 42 Inode table at 7-134 (+6) 43 7876 free blocks, 494 free inodes, 4 directories, 494 unused inodes 44 Free blocks: 317-8192 45 Free inodes: 19-512 46Group 1: (Blocks 8193-16383) [INODE_UNINIT] 47 Backup superblock at 8193, Group descriptors at 8194-8194 48 Block bitmap at 4 (bg #0 + 3) 49 Inode bitmap at 6 (bg #0 + 5) 50 Inode table at 135-262 (bg #0 + 134) 51 8189 free blocks, 512 free inodes, 0 directories, 512 unused inodes 52 Free blocks: 8195-16383 53 Free inodes: 513-1024 54debugfs: stat /emptyfile 55Inode: III Type: regular 56Size: 0 57Fragment: Address: 0 Number: 0 Size: 0 58debugfs: stat /bigfile 59Inode: III Type: regular 60Size: 32768 61Fragment: Address: 0 Number: 0 Size: 0 62debugfs: stat /sparsefile 63Inode: III Type: regular 64Size: 1073741825 65Fragment: Address: 0 Number: 0 Size: 0 66debugfs: stat /bigzerofile 67Inode: III Type: regular 68Size: 1073741825 69Fragment: Address: 0 Number: 0 Size: 0 70debugfs: stat /fifo 71debugfs: stat /emptydir 72Inode: III Type: directory 73Size: 1024 74Fragment: Address: 0 Number: 0 Size: 0 75debugfs: stat /dir 76Inode: III Type: directory 77Size: 1024 78Fragment: Address: 0 Number: 0 Size: 0 79debugfs: stat /dir/file 80Inode: III Type: regular 81Size: 8 82Fragment: Address: 0 Number: 0 Size: 0 83debugfs: ex /emptyfile 84Level Entries Logical Physical Length Flags 85debugfs: ex /bigfile 86Level Entries Logical Physical Length Flags 87X 0/0 1/1 0-31 AAA-BBB 32 88debugfs: ex /sparsefile 89Level Entries Logical Physical Length Flags 90Y 0/1 1/1 1-1048576 AAA 1048576 91X 1/1 1/5 1-1 AAA-BBB 1 92X 1/1 2/5 512-512 AAA-BBB 1 93X 1/1 3/5 1024-1024 AAA-BBB 1 94X 1/1 4/5 524288-524288 AAA-BBB 1 95X 1/1 5/5 1048576-1048576 AAA-BBB 1 96debugfs: ex /bigzerofile 97Level Entries Logical Physical Length Flags 98debugfs: ex /dir 99Level Entries Logical Physical Length Flags 100X 0/0 1/1 0-0 AAA-BBB 1 101debugfs: ex /dir/file 102Level Entries Logical Physical Length Flags 103X 0/0 1/1 0-0 AAA-BBB 1 104Pass 1: Checking inodes, blocks, and sizes 105Pass 2: Checking directory structure 106Pass 3: Checking directory connectivity 107Pass 4: Checking reference counts 108Pass 5: Checking group summary information 109test.img: 18/1024 files (0.0% non-contiguous), 319/16384 blocks 110minify fs 111Setting reserved blocks percentage to 0% (0 blocks) 112Resizing the filesystem on test.img to 338 (1k) blocks. 113The filesystem on test.img is now 338 (1k) blocks long. 114 115Filesystem volume name: <none> 116Last mounted on: <not available> 117Filesystem magic number: 0xEF53 118Filesystem revision #: 1 (dynamic) 119Filesystem features: ext_attr dir_index filetype extent 64bit flex_bg sparse_super huge_file dir_nlink extra_isize metadata_csum 120Default mount options: (none) 121Filesystem state: clean 122Errors behavior: Continue 123Filesystem OS type: Linux 124Inode count: 512 125Block count: 338 126Reserved block count: 0 127Free blocks: 151 128Free inodes: 494 129First block: 1 130Block size: 1024 131Fragment size: 1024 132Group descriptor size: 64 133Blocks per group: 8192 134Fragments per group: 8192 135Inodes per group: 512 136Inode blocks per group: 128 137Flex block group size: 16 138Mount count: 0 139Check interval: 15552000 (6 months) 140Reserved blocks uid: 0 141Reserved blocks gid: 0 142First inode: 11 143Inode size: 256 144Required extra isize: 32 145Desired extra isize: 32 146Default directory hash: half_md4 147Checksum type: crc32c 148 149 150Group 0: (Blocks 1-337) 151 Primary superblock at 1, Group descriptors at 2-2 152 Block bitmap at 3 (+2) 153 Inode bitmap at 5 (+4) 154 Inode table at 7-134 (+6) 155 151 free blocks, 494 free inodes, 4 directories, 494 unused inodes 156 Free blocks: 4, 6, 135-262, 317-337 157 Free inodes: 19-512 158Pass 1: Checking inodes, blocks, and sizes 159Pass 2: Checking directory structure 160Pass 3: Checking directory connectivity 161Pass 4: Checking reference counts 162Pass 5: Checking group summary information 163test.img: 18/512 files (0.0% non-contiguous), 187/338 blocks 164minify fs (2) 165Setting reserved blocks percentage to 0% (0 blocks) 166Resizing the filesystem on test.img to 188 (1k) blocks. 167The filesystem on test.img is now 188 (1k) blocks long. 168 169Filesystem volume name: <none> 170Last mounted on: <not available> 171Filesystem magic number: 0xEF53 172Filesystem revision #: 1 (dynamic) 173Filesystem features: ext_attr dir_index filetype extent 64bit flex_bg sparse_super huge_file dir_nlink extra_isize metadata_csum 174Default mount options: (none) 175Filesystem state: clean 176Errors behavior: Continue 177Filesystem OS type: Linux 178Inode count: 512 179Block count: 188 180Reserved block count: 0 181Free blocks: 1 182Free inodes: 494 183First block: 1 184Block size: 1024 185Fragment size: 1024 186Group descriptor size: 64 187Blocks per group: 8192 188Fragments per group: 8192 189Inodes per group: 512 190Inode blocks per group: 128 191Flex block group size: 16 192Mount count: 0 193Check interval: 15552000 (6 months) 194Reserved blocks uid: 0 195Reserved blocks gid: 0 196First inode: 11 197Inode size: 256 198Required extra isize: 32 199Desired extra isize: 32 200Default directory hash: half_md4 201Checksum type: crc32c 202 203 204Group 0: (Blocks 1-187) 205 Primary superblock at 1, Group descriptors at 2-2 206 Block bitmap at 3 (+2) 207 Inode bitmap at 5 (+4) 208 Inode table at 7-134 (+6) 209 1 free blocks, 494 free inodes, 4 directories, 494 unused inodes 210 Free blocks: 187 211 Free inodes: 19-512 212Pass 1: Checking inodes, blocks, and sizes 213Pass 2: Checking directory structure 214Pass 3: Checking directory connectivity 215Pass 4: Checking reference counts 216Pass 5: Checking group summary information 217test.img: 18/512 files (5.6% non-contiguous), 187/188 blocks 218