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Re: emacs ltstat,readlink on slow filesyste.
From: |
Stefan Monnier |
Subject: |
Re: emacs ltstat,readlink on slow filesyste. |
Date: |
Sat, 14 Feb 2009 16:38:45 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
> strace -f -etrace=lstat,readlink emacs -Q test_file.c
> then just move around in the file and you should see the lstats and
> readlink calls.
The patch below should fix this problem. Thanks for reporting it.
Note that using M-x report-emacs-bug would have made it even better,
Stefan
--- jit-lock.el.~1.66.~ 2009-01-12 15:41:49.000000000 -0500
+++ jit-lock.el 2009-02-14 16:37:04.000000000 -0500
@@ -45,14 +45,16 @@
"Execute BODY in current buffer, overriding several variables.
Preserves the `buffer-modified-p' state of the current buffer."
(declare (debug t))
- `(with-buffer-unmodified
- (let ((buffer-undo-list t)
+ `(let ((buffer-undo-list t)
(inhibit-read-only t)
(inhibit-point-motion-hooks t)
(inhibit-modification-hooks t)
deactivate-mark
buffer-file-name
buffer-file-truename)
+ ;; Do reset the modification status from within the let, since
+ ;; otherwise set-buffer-modified-p may try to unlock the file.
+ (with-buffer-unmodified
,@body))))