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Kernel/FileSystem: Enforce locking of m_inode_lock when truncating Inode
Such operation is almost equivalent to writing on an Inode, so lock the Inode m_inode_lock exclusively. All FileSystem Inode implementations then override a new method called truncate_locked which should implement the actual truncating.
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13 changed files with 23 additions and 14 deletions
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@ -42,7 +42,7 @@ private:
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virtual ErrorOr<void> decrement_link_count() override;
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virtual ErrorOr<void> chmod(mode_t) override;
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virtual ErrorOr<void> chown(UserID, GroupID) override;
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virtual ErrorOr<void> truncate(u64) override;
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virtual ErrorOr<void> truncate_locked(u64) override;
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virtual ErrorOr<int> get_block_address(int) override;
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ErrorOr<void> write_directory(Vector<Ext2FSDirectoryEntry>&);
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