O'Reilly logo

The Design and Implementation of the 4.4BSD Operating System by John S. Quarterman - Texas Internet Consulting, Michael J. Karels - Berkeley Software Design, Inc., Keith Bostic - Berkeley Software Design, Inc., Marshall Kirk McKusick - Consultant

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 7Local Filesystems

7.1 Hierarchical Filesystem Management

The operations defined for local filesystems are divided into two parts. Common to all local filesystems are hierarchical naming, locking, quotas, attribute management, and protection. These features, which are independent of how data are stored, are provided by the UFS code described in this chapter. The other part of the local filesystem is concerned with the organization and management of the data on the storage media. Storage is managed by the datastore filesystem operations described in Chapter 8.

The vnode operations defined for doing hierarchical filesystem operations are shown in Table 7.1. The most complex of these operations is that for doing a lookup. The filesystem-independent ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required