Re: ext3 IO latency measurements (was: Linux 2.6.29)

[Alan Cox]

> before performing the update. So while relatime doesn't conform, the 
> practical difference is meaningless. You can't depend on atime being 
> updated in a timely manner.

POSIX says a disk write interrupted by a signal can be a short write. If
you do this in practice all hell breaks loose.

A conforming implementation needs to conform with expectations not just
play lawyer games with users systems.

Alan
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