From: David Kastrup <dak@gnu.org>
To: Noam Postavsky <npostavs@gmail.com>
Cc: stefan@marxist.se, 18336@debbugs.gnu.org
Subject: bug#18336: 24.4.50; When editing externally changed file, Emacs asks too many questions
Date: Thu, 05 Mar 2020 16:07:11 +0100 [thread overview]
Message-ID: <87pndqet7k.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <874kv299f7.fsf@gmail.com> (Noam Postavsky's message of "Thu, 05 Mar 2020 09:13:32 -0500")
Noam Postavsky <npostavs@gmail.com> writes:
> Eli Zaretskii <eliz@gnu.org> writes:
>
>>> > and my /tmp file system where I also saw this is
>
>>> I ran my initial experiment in ~/tmp,[...]
>>> 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.
>
>> lock_file calls verify-visited-file-modtime, which might be affected
>> by the noatime option. But I don't understand how noatime could
>> affect verify-visited-file-modtime since the latter looks at mtime,
>> not atime.
>
>> Can someone who sees this step with GDB through lock_file and its
>> callees, and see what goes wrong there and why?
>
> Ah, looks like the noatime thing is just a coincidence. What happens in
> the ~/tmp case is that when lock_file is called from write_region, the
> file doesn't exist, so the extra "changed on disk" question doesn't get
> asked. The reason the file doesn't exist, is because it was moved to
> the backup name, in backup-buffer. Files under /tmp/ are not backed up
> by default, so in that case the file still exists and there is an extra
> query.
Sorry for the red herring. It was the thing that occured to me first.
--
David Kastrup
next prev parent reply other threads:[~2020-03-05 15:07 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-27 7:44 bug#18336: 24.4.50; When editing externally changed file, Emacs asks too many questions David Kastrup
2020-03-01 0:27 ` Stefan Kangas
2020-03-01 16:26 ` Noam Postavsky
2020-03-01 16:38 ` David Kastrup
2020-03-01 17:09 ` Eli Zaretskii
2020-03-01 17:45 ` David Kastrup
2020-03-01 17:58 ` Eli Zaretskii
2020-03-01 18:22 ` David Kastrup
2020-03-01 18:27 ` Eli Zaretskii
2020-03-02 4:14 ` Noam Postavsky
2020-03-02 8:27 ` Eli Zaretskii
2020-03-02 9:42 ` David Kastrup
2020-03-02 11:04 ` Eli Zaretskii
2020-03-02 11:41 ` David Kastrup
2020-03-02 11:51 ` Eli Zaretskii
2020-03-02 8:39 ` Stefan Kangas
2020-03-02 8:55 ` Eli Zaretskii
2020-03-02 9:04 ` Stefan Kangas
2020-03-02 11:01 ` Eli Zaretskii
2020-03-02 9:53 ` David Kastrup
2020-03-02 12:20 ` Noam Postavsky
2020-03-02 16:33 ` Eli Zaretskii
2020-03-05 14:13 ` Noam Postavsky
2020-03-05 15:07 ` David Kastrup [this message]
2020-03-05 17:54 ` Noam Postavsky
2020-03-05 19:31 ` Eli Zaretskii
2020-03-22 1:13 ` Noam Postavsky
2020-03-22 14:35 ` Eli Zaretskii
2020-03-22 15:45 ` Noam Postavsky
2020-03-22 17:09 ` Eli Zaretskii
2020-03-22 19:46 ` Noam Postavsky
2020-03-22 20:16 ` Eli Zaretskii
2020-03-23 3:26 ` Noam Postavsky
2020-03-05 16:02 ` Eli Zaretskii
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87pndqet7k.fsf@fencepost.gnu.org \
--to=dak@gnu.org \
--cc=18336@debbugs.gnu.org \
--cc=npostavs@gmail.com \
--cc=stefan@marxist.se \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).