Common Log File System
Transactional semantics for a database or a journaled file system often require keeping track of changes made to the data and metadata contained in the files or entries. Typically, these changes are stored in data structures called log records through an operation called logging. These log records can then be used to undo (roll back), redo, or validate the changes at a later time, even across system reboots.
Windows provides this kind of logging service through the Common Log File System (CLFS) to support the transactional features built into Windows, including transactional NTFS (TxF) and transactional registry (TxR), and to enable third-party developers to take advantage of similar technology. CLFS provides user-mode and ...
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