fix for #213 restore old behaviour of --lazy. Even in lazy mode all the data

[rrdtool.git] / src / rrd_open.c

diff --git a/src/rrd_open.c b/src/rrd_open.c
index 5a908da..1654514 100644 (file)
--- a/src/rrd_open.c
+++ b/src/rrd_open.c
@@ -174,6 +174,10 @@ rrd_file_t *rrd_open(
     } else {
         if (rdwr & RRD_READWRITE) {
             flags |= O_RDWR;
+#ifdef HAVE_MMAP 
+            rrd_simple_file->mm_flags = MAP_SHARED; 
+            rrd_simple_file->mm_prot |= PROT_WRITE; 
+#endif 
         }
         if (rdwr & RRD_CREAT) {
             flags |= (O_CREAT | O_TRUNC);
@@ -538,7 +542,7 @@ void rrd_dontneed(
 #if defined DEBUG && DEBUG > 1
     mincore_print(rrd_file, "after");
 #endif
-#endif                          /* without madvise and posix_fadvise ist does not make much sense todo anything */
+#endif                          /* without madvise and posix_fadvise it does not make much sense todo anything */
 }
 
 
@@ -681,22 +685,6 @@ ssize_t rrd_write(
 }
 
 
-/* flush all data pending to be written to FD.  */
-
-void rrd_flush(
-    rrd_file_t *rrd_file)
-{
-#ifndef WIN32
-    rrd_simple_file_t *rrd_simple_file;
-    rrd_simple_file = (rrd_simple_file_t *)rrd_file->pvt;
-    if (fdatasync(rrd_simple_file->fd) != 0) {
-        rrd_set_error("flushing fd %d: %s", rrd_simple_file->fd,
-                      rrd_strerror(errno));
-    }
-#endif
-}
-
-
 /* Initialize RRD header.  */
 
 void rrd_init(