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Re: "file has changed" on network drive

From: Damien Wyart
Subject: Re: "file has changed" on network drive
Date: Tue, 29 Jan 2013 11:22:13 +0100
User-agent: Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.3.50

* Brendan Halpin <> in
> I have a CIFS-mounted network drive, whose clock seems to be very
> slightly different from my computer's clock (despite NTP on both
> devices). Consequently when I edit a file on the drive, there is
> a small discrepancy between (visited-file-modtime) and the file-system
> timestamp, and Emacs complains that the file has changed on disc. The
> difference is small, and only in the third and fourth elements of the
> time as Emacs represents it (interestingly, on other file systems
> these two elements are 0).

> Is there a known work-around for this problem? A function at writing
> that uses set-visited-file-modtime to set the time stamp to the
> filesystem value? If so, where to hook it in?

You might experience the problem described here in detail:

cifs has been patched to avoid the problem (in 2010), so maybe your
system doesn't have this patch? Or your problem is close but


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