I have updated the "Programming Locking Applications" document. Lots of typos and bizarre sentences have been fixed (thanks Bob!). I have also added a new section (chapter 5) which is an overview of the DLM internals for those that want to understand a little of how and where locks are mastered etc.
It's no substitute for reading the code but it might make it a little easier :)http://people.redhat.com/ccaulfie/docs/rhdlmbook.pdf
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