September 2012
Intermediate to advanced
672 pages
25h 45m
English
book
Windows® Internals, Sixth Edition, Part 2
by David A. Solomon Mark E. Russinovich and Alex Ionescu
Content preview from Windows® Internals, Sixth Edition, Part 2Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Read-Ahead and Write-Behind
In this section, you’ll see how the cache manager implements reading and writing file data on behalf of file system drivers. Keep in mind that the cache manager is involved in file I/O only when a file is opened without the FILE_FLAG_NO_BUFFERING flag and then read from or written to using the Windows I/O functions (for example, using the Windows ReadFile and WriteFile functions). Mapped files don’t go through the cache manager, nor do files opened with the FILE_FLAG_NO_BUFFERING flag set.
Note
When an application uses the FILE_FLAG_NO_BUFFERING flag to open a file, its file I/O must start at device-aligned offsets and be of sizes that are a multiple of the alignment size; its input and output buffers must also be device-aligned ...
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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.
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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.