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

Alan Cox
2009-03-26T20:44:57Z

> 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