Commit ccf61795 authored by Romain Francoise's avatar Romain Francoise
Browse files

(write_region_inhibit_fsync): New variable.

(Fwrite_region): Use it to skip call to fsync.
(syms_of_fileio): Initialize it.
parent c6ea7612
2005-09-14 Romain Francoise <>
* fileio.c (write_region_inhibit_fsync): New variable.
(Fwrite_region): Use it to skip call to fsync.
(syms_of_fileio): Initialize it.
2005-09-14 Kenichi Handa <>
* coding.c (code_convert_region_unwind): Argument format changed.
......@@ -225,6 +225,11 @@ int vms_stmlf_recfm;
expanding file names. This can be bound to / or \. */
Lisp_Object Vdirectory_sep_char;
/* Nonzero means skip the call to fsync in Fwrite-region. */
int write_region_inhibit_fsync;
extern Lisp_Object Vuser_login_name;
......@@ -5296,7 +5301,7 @@ This does code conversion according to the value of
Disk full in NFS may be reported here. */
/* mib says that closing the file will try to write as fast as NFS can do
it, and that means the fsync here is not crucial for autosave files. */
if (!auto_saving && fsync (desc) < 0)
if (!auto_saving && !write_region_inhibit_fsync && fsync (desc) < 0)
/* If fsync fails with EINTR, don't treat that as serious. */
if (errno != EINTR)
......@@ -6742,6 +6747,13 @@ shortly after Emacs reads your `.emacs' file, if you have not yet given it
a non-nil value. */);
Vauto_save_list_file_name = Qnil;
DEFVAR_BOOL ("write-region-inhibit-fsync", &write_region_inhibit_fsync,
doc: /* *Non-nil means don't call fsync after saving files.
Enabling this variable may result in data loss! */);
write_region_inhibit_fsync = 0;
defsubr (&Sfind_file_name_handler);
defsubr (&Sfile_name_directory);
defsubr (&Sfile_name_nondirectory);
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