Kernel Development Learning Pipeline

Lecture 21: Wednesday, 14 August 2024

Announcements

1. F0 due next week

2. F1 now available (due late september)

3. Pre-recorded final presentation details coming very soon

Review

1. In L19 we covered:

   1. The rest of the close(2) material

   2. Overview of read(2)

   3. Advanced reference count optimization

   4. Reading through the virtual filesystem

Lecture overview

1. A look at write(2)

2. Userspace and kernel entry points

3. Contrast with read(2)

4. A look at security hooks

5. Superblocks and filesystem snapshotting

Slides

File Descriptors 4