Emacs with Reiserfs

[arthur.chereau]

Hi,

I've noted a strange behavior of emacs when writing files metadata.
As the problem seems not to happen to everybody, I think it may be related to 
the use
of the reiserfs filesystem.

Here are the symptoms:
- with backup-by-copying set, the backup file metadata are preserved, instead 
of the
file metadata:
$ cat .emacs
(setq backup-by-copying t)
$ emacs test
$ ls -i test*
1505188 test
$ emacs test
$ ls -i test*
1505190 test 1505189 test~
$ emacs test
$ ls -i test*
1505191 test 1505189 test~

- with backup-by-copying not set, the permissions of the file are sometimes 
reset to
644. This can be annoying for scripts.

This happens with the latest emacs from cvs on a reiseirfs 3 filesystem.
This never happens with an emacs-like tool like jed.

Emacs was compiled with:
--with-x --with-x-toolkit=motif --without-xpm --without-jpeg --without-tiff
--without-gif  --without-png --without-sound --without-xim --without-pop


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