> Maybe cmpxchg8b is good for i486 or later x86, but i386 or other architectures > that do not have similar instruction needs some locking primitive. I think lazy We have a cmpxchg emulation on 386. That works because only UP 386s are supported, so it can be done in software. > seqlock is one option for making file->f_pos access atomic. The question is if it's the right option. At least all the common operations on fds (read/write) are all writers, not readers. -Andi -- ak@xxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html