This week at LWN: POSIX v. reality: A position on O_PONIES
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Sure, programmers (especially operating systems programmers) love their specifications. Clean, well-defined interfaces are a key element of scalable software development. But what is it about file systems, POSIX, and when file data is guaranteed to hit permanent storage that brings out the POSIX fundamentalist in all of us? The recent fsync()/rename()/O_PONIES controversy was the most heated in recent memory but not out of character for fsync()-related discussions. In this article, we'll explore the relationship between file systems developers, the POSIX file I/O standard, and people who just want to store their data.
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