December 2004
Intermediate to advanced
976 pages
33h 33m
English
book
Microsoft® Windows® Internals: Microsoft Windows Server™ 2003, Windows XP, and Windows 2000, 4th Edition
by Mark E. Russinovich, David A. Solomon
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File System Interfaces
The first time a file's data is accessed for a read or write operation, the file system driver is responsible for determining whether some part of the file is mapped in the system cache. If it's not, the file system driver must call the CcInitializeCacheMap function to set up the per-file data structures described in the preceding section.
Once a file is set up for cached access, the file system driver calls one of several functions to access the data in the file. There are three primary methods for accessing cached data, each intended for a specific situation:
The copy method copies user data between cache buffers in system space and a process buffer in user space.
The mapping and pinning method uses virtual addresses to read ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.