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bug#18336: 24.4.50; When editing externally changed file, Emacs asks too


From: Noam Postavsky
Subject: bug#18336: 24.4.50; When editing externally changed file, Emacs asks too many questions
Date: Mon, 02 Mar 2020 07:20:04 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

David Kastrup <address@hidden> writes:

> Mount options?  Time stamp granularity?
>
> The file system I encountered this initially on is
>
> /dev/sda7 on /usr/local type ext4 (rw,noatime,discard,data=ordered)
>
> and my /tmp file system where I also saw this is
>
> /dev/sda5 on / type ext4 (rw,noatime,discard)

Aha, this seems to be the key.  I ran my initial experiment in ~/tmp,
which is mounted with relatime

    /dev/sda9 on /home type ext4 (rw,relatime,data=ordered)

When I do the same on /tmp, which is mounted noatime I see the extra
"<file> changed on disk; really edit the buffer?" question on C-x C-s.

    /dev/sda8 on /tmp type ext4 (rw,noatime,data=ordered)





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