From 219db59d826ef33a0e41f538a28c5f03433e7ba7 Mon Sep 17 00:00:00 2001
From: Christian Thaeter <ct@pipapo.org>
Date: Sat, 8 Nov 2008 15:19:05 +0100
Subject: [PATCH] renamed backend config entries

adding one level more, more descriptive
---
 doc/devel/config_guide.txt | 10 +++++++---
 src/backend/backend.c      | 10 +++++-----
 src/backend/mmap.c         |  6 +++---
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/doc/devel/config_guide.txt b/doc/devel/config_guide.txt
index 11959757a..af9cd8d30 100644
--- a/doc/devel/config_guide.txt
+++ b/doc/devel/config_guide.txt
@@ -87,7 +87,7 @@ File handling
 
 How many filehandles the backend shall use [approx 2/3 of all available]
 
- backend.filehandles
+ backend.file.max_handles
 
 
 
@@ -99,11 +99,15 @@ Defaults:
 3GiB on 32 bit arch
 192TiB on 64 bit arch
 
- backend.as_limit
+ backend.mmap.as_limit
 
 Default start size for mmaping windows.
 128MB on 32 bit arch
 2GB on 64 bit arch
 
- backend.mmap_window_size
+ backend.mmap.window_size
 
+How many memory mappings shall be established at most
+Default 60000
+
+ backend.mmap.max_maps
diff --git a/src/backend/backend.c b/src/backend/backend.c
index e3c88b484..36a0b80c3 100644
--- a/src/backend/backend.c
+++ b/src/backend/backend.c
@@ -61,20 +61,20 @@ lumiera_backend_init (void)
 
 
   const char* filehandles = lumiera_tmpbuf_snprintf (SIZE_MAX,
-                                                     "backend.filehandles = %d",
+                                                     "backend.file.max_handles = %d",
                                                      /* roughly 2/3 of all availables filehandles are managed by the backend */
                                                      (sysconf (_SC_OPEN_MAX)-10)*2/3);
 
   lumiera_config_setdefault (filehandles);
 
   long long max_entries;
-  lumiera_config_number_get ("backend.filehandles", &max_entries);
+  lumiera_config_number_get ("backend.file.max_handles", &max_entries);
   lumiera_filehandlecache_new (max_entries);
 
 #if SIZE_MAX <= 4294967295UL
-  lumiera_config_setdefault ("backend.as_limit = 3221225469");
+  lumiera_config_setdefault ("backend.mmap.as_limit = 3221225469");
 #else
-  lumiera_config_setdefault ("backend.as_limit = 211106232532992");
+  lumiera_config_setdefault ("backend.mmap.as_limit = 211106232532992");
 #endif
 
   struct rlimit as_rlimit;
@@ -83,7 +83,7 @@ lumiera_backend_init (void)
   long long as_limit = (long long)as_rlimit.rlim_cur;
   if (as_rlimit.rlim_cur == RLIM_INFINITY)
     {
-      lumiera_config_number_get ("backend.as_limit", &as_limit);
+      lumiera_config_number_get ("backend.mmap.as_limit", &as_limit);
     }
   else
     {
diff --git a/src/backend/mmap.c b/src/backend/mmap.c
index 7441f91ec..bf3263aff 100644
--- a/src/backend/mmap.c
+++ b/src/backend/mmap.c
@@ -70,14 +70,14 @@ lumiera_mmap_init (LumieraMMap self, LumieraFile file, LList acquirer, off_t sta
        * 2GB on 64 bit arch
        */
 #if SIZE_MAX <= 4294967295U
-      lumiera_config_setdefault ("backend.mmap_window_size = 134217728");
+      lumiera_config_setdefault ("backend.mmap.window_size = 134217728");
 #else
-      lumiera_config_setdefault ("backend.mmap_window_size = 2147483648");
+      lumiera_config_setdefault ("backend.mmap.window_size = 2147483648");
 #endif
     }
 
   long long mmap_window_size = 0;
-  lumiera_config_number_get ("backend.mmap_window_size", &mmap_window_size);
+  lumiera_config_number_get ("backend.mmap.window_size", &mmap_window_size);
 
   LumieraFiledescriptor descriptor = file->descriptor;