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38 lines
827 B
38 lines
827 B
.. SPDX-License-Identifier: GPL-2.0 |
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Special inodes |
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-------------- |
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ext4 reserves some inode for special features, as follows: |
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.. list-table:: |
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:widths: 6 70 |
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:header-rows: 1 |
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* - inode Number |
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- Purpose |
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* - 0 |
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- Doesn't exist; there is no inode 0. |
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* - 1 |
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- List of defective blocks. |
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* - 2 |
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- Root directory. |
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* - 3 |
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- User quota. |
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* - 4 |
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- Group quota. |
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* - 5 |
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- Boot loader. |
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* - 6 |
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- Undelete directory. |
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* - 7 |
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- Reserved group descriptors inode. (“resize inode”) |
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* - 8 |
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- Journal inode. |
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* - 9 |
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- The “exclude” inode, for snapshots(?) |
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* - 10 |
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- Replica inode, used for some non-upstream feature? |
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* - 11 |
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- Traditional first non-reserved inode. Usually this is the lost+found directory. See s\_first\_ino in the superblock. |
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