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Operating Systems: Concurrent and Distributed Software Design
book

Operating Systems: Concurrent and Distributed Software Design

by Jean Bacon, Tim Harris
March 2003
Intermediate to advanced content levelIntermediate to advanced
912 pages
27h 17m
English
Pearson Business
Content preview from Operating Systems: Concurrent and Distributed Software Design

6.5. The filing system implementation

In this section we will introduce the key implementation techniques used to support the application programming interface we discussed in Section 6.4. Filing systems must keep information on each file or directory, such as where it is stored on disk, who may access it and in what way, its time of creation and last access, etc. A typical information block is shown in Figure 6.5.

Figure 6.5. A metadata table for a filing system.

Different filing systems may store this information in different ways. An important point is that it allows several directory entries (links) to exist for a given file or directory. The ...

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Publisher Resources

ISBN: 0321117891Purchase book