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Soft updates: a solution to the metadata update problem in file systems
2000
ACM Transactions on Computer Systems
Metadata updates, such as file creation and block allocation, have consistently been identified as a source of performance, integrity, security, and availability problems for file systems. Soft updates is an implementation technique for low-cost sequencing of fine-grained updates to write-back cache blocks. Using soft updates to track and enforce metadata update dependencies, a file system can safely use delayed writes for almost all file operations. This article describes soft updates, their
doi:10.1145/350853.350863
fatcat:aidln4e7prfsvjrvzrzg2vvzye