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Hands-On System Programming with Linux
book

Hands-On System Programming with Linux

by Kaiwan N. Billimoria, Tigran Aivazian
October 2018
Beginner content levelBeginner
794 pages
19h 23m
English
Packt Publishing
Content preview from Hands-On System Programming with Linux

The Linux I/O code path in brief

To understand what the issue is, we must first gain a bit of a deeper understanding of how the I/O code path actually works; the following diagram encapsulates the points of relevance:

Figure 1: Page cache populated with disk data
The reader should realize that though this diagram seems quite detailed, we're actually seeing a rather simplistic view of the entire Linux I/O code path (or I/O stack), only what is relevant to this discussion. For a more detailed overview (and diagram), please see the link provided in the Further reading section on the GitHub repository.

Let's say that a Process P1 intends to read ...

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Publisher Resources

ISBN: 9781788998475Supplemental Content