Re: ext4 features

Trond Myklebust
2006-07-10T20:09:16Z

On Sat, 2006-07-08 at 17:04 -0400, Bill Davidsen wrote:
> No, I didn't quite mean a manual touch, but a system call to "close and
> set time to high resolution" for files where time uniformity is
> important. Consider that in most cases the inodes times are set by the
> host machine clock, which I close the change reflects the fileserving
> host idea of time. If there were a call to close a file and set the
> times like touch, then that could be used, for both local and network files.

Close should never update the time since that would be a violation of
POSIX rules. Normally, an NFS client will never need to update the time:
RPC calls like WRITE, READ and SETATTR will automatically do it for us
whenever necessary.

Cheers,
Trond