Another union filesystem approach [LWN.net]

Another union filesystem approach

Posted Sep 11, 2010 19:46 UTC (Sat) by Baylink (subscriber, #755)
Parent article: Another union filesystem approach

> The easiest way out of this mess might simply be to enforce exclusive modification to the underlying filesystems on a local level, same as the union mount strategy. For NFS and other remote filesystems we either

> a) add some way to enforce it,
> b) live with the consequences if not enforced on the system level, or
> c) disallow them to be part of the union.

d) provide the system administrator -- who *knows* the expected semantics of a given mount -- with a *knob* to select which behavior s/he expects from that particular mount, with a reasonable default.

It's the *default* which must be decided on, not the behavior.

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