Messages in this thread | | | Subject | Re: ext4 features | From | Trond Myklebust <> | Date | Fri, 07 Jul 2006 10:37:28 -0400 |
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On Fri, 2006-07-07 at 11:38 +0200, Bodo Eggert wrote:
> If the changes to these files are very infrequent compared to nanoseconds, > you'll only need the version during some nanoseconds, and only during > runtime. Having a second-change-within-one-timeframe-flag(*) instead of > versions will be enough to make NFS mostly happy and only penalize your > users for one nanosecond, and it won't force version-keeping into the > filesystem. And besides that, all other filesystems will profit even > without having nanosecond resolution nor versioning (but they'll suffer > for up to a whole second).
NFS never required file versioning. You're talking to the wrong person. It does, however, need a change attribute that logs all changes to the file. The above flag does not suffice to provide that.
Trond
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