[lvm-devel] LVM2 doc/example.conf.in lib/config/defaults.h ...
zkabelac at sourceware.org
zkabelac at sourceware.org
Fri Nov 4 22:44:23 UTC 2011
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac at sourceware.org 2011-11-04 22:44:22
Modified files:
doc : example.conf.in
lib/config : defaults.h
lib/metadata : lv_manip.c
Log message:
Thin add thin_pool_metadata_require_separate_pvs
Allow to set different policy for pool from mirrors.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/doc/example.conf.in.diff?cvsroot=lvm2&r1=1.34&r2=1.35
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/config/defaults.h.diff?cvsroot=lvm2&r1=1.86&r2=1.87
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/lv_manip.c.diff?cvsroot=lvm2&r1=1.321&r2=1.322
--- LVM2/doc/example.conf.in 2011/10/11 09:13:39 1.34
+++ LVM2/doc/example.conf.in 2011/11/04 22:44:21 1.35
@@ -213,6 +213,11 @@
# until version 2.02.85.
#
# mirror_logs_require_separate_pvs = 0
+#
+# Set to 1 to guarantee that thin pool metadata will always
+# be placed on different PVs from the pool data.
+#
+# thin_pool_metadata_require_separate_pvs = 0
#}
# This section that allows you to configure the nature of the
--- LVM2/lib/config/defaults.h 2011/11/04 22:43:10 1.86
+++ LVM2/lib/config/defaults.h 2011/11/04 22:44:21 1.87
@@ -60,6 +60,7 @@
#define DEFAULT_DMEVENTD_MONITOR 1
#define DEFAULT_BACKGROUND_POLLING 1
+#define DEFAULT_THIN_POOL_METADATA_REQUIRE_SEPARATE_PVS 0
#define DEFAULT_THIN_POOL_MAX_METADATA_SIZE (16 * 1024 * 1024) /* KB */
#define DEFAULT_THIN_POOL_MIN_METADATA_SIZE 2048 /* KB */
--- LVM2/lib/metadata/lv_manip.c 2011/11/04 22:43:10 1.321
+++ LVM2/lib/metadata/lv_manip.c 2011/11/04 22:44:22 1.322
@@ -788,6 +788,8 @@
ah->region_size = region_size;
ah->alloc = alloc;
ah->area_multiple = _calc_area_multiple(segtype, area_count, stripes);
+ ah->mirror_logs_separate = find_config_tree_bool(cmd, "allocation/mirror_logs_require_separate_pvs",
+ DEFAULT_MIRROR_LOGS_REQUIRE_SEPARATE_PVS);
if (segtype_is_raid(segtype)) {
if (metadata_area_count) {
@@ -813,6 +815,9 @@
/* thin_pool uses region_size to pass metadata size in extents */
ah->log_len = ah->region_size;
ah->region_size = 0;
+ ah->mirror_logs_separate =
+ find_config_tree_bool(cmd, "allocation/thin_pool_metadata_require_separate_pvs",
+ DEFAULT_THIN_POOL_METADATA_REQUIRE_SEPARATE_PVS);
} else {
ah->log_area_count = metadata_area_count;
ah->log_len = !metadata_area_count ? 0 :
@@ -829,8 +834,6 @@
ah->maximise_cling = find_config_tree_bool(cmd, "allocation/maximise_cling", DEFAULT_MAXIMISE_CLING);
- ah->mirror_logs_separate = find_config_tree_bool(cmd, "allocation/mirror_logs_require_separate_pvs", DEFAULT_MIRROR_LOGS_REQUIRE_SEPARATE_PVS);
-
return ah;
}
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