作者: Jonathan M. Cargille , William R. Tipton , Thomas J. Miller , Surendra Verma
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摘要: Aspects of the subject matter described herein relate to storage allocation. In aspects, a hierarchical data structure is used track allocation for managed by file system. The may have multiple levels with each level having regarding different granularity storage. Portions be locked independently other portions structure. indicate that one or more are exclusive use directory. Extra space reserved in allocated anticipation subsequent operations. Allocation requestors obtain from regions associated