[$] The file_operations structure gets smaller

Kernel developers are encouraged to send their changes in small batches asa way of making life easier for reviewers. So when a longtime developerand maintainer hits the list with a 437-patch series touching 859 files,eyebrows are certain to head skyward. Specifically, this seriesfrom Jens Axboe is cleaning up one of the core abstractions that hasbeen part of the Linux kernel almost since the beginning; authors of devicedrivers (among others) will have to take note.