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LVM2/lib/metadata metadata-exported.h metadata.c
- From: wysochanski at sourceware dot org
- To: lvm-devel at redhat dot com, lvm2-cvs at sourceware dot org
- Date: 28 Jun 2010 20:36:57 -0000
- Subject: LVM2/lib/metadata metadata-exported.h metadata.c
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: wysochanski@sourceware.org 2010-06-28 20:36:56
Modified files:
lib/metadata : metadata-exported.h metadata.c
Log message:
Add vg get/set methods for VG metadata copies.
This patch adds the get and partially implemented set function.
The 'set' function should probably ignore or un-ignore metadata areas
based on new values.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/metadata-exported.h.diff?cvsroot=lvm2&r1=1.156&r2=1.157
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/metadata.c.diff?cvsroot=lvm2&r1=1.358&r2=1.359
--- LVM2/lib/metadata/metadata-exported.h 2010/06/28 20:36:37 1.156
+++ LVM2/lib/metadata/metadata-exported.h 2010/06/28 20:36:56 1.157
@@ -882,6 +882,8 @@
uint64_t vg_max_lv(const struct volume_group *vg);
uint32_t vg_mda_count(const struct volume_group *vg);
uint32_t vg_mda_used_count(const struct volume_group *vg);
+uint32_t vg_mda_copies(const struct volume_group *vg);
+int vg_set_mda_copies(struct volume_group *vg, uint32_t value);
int vg_check_write_mode(struct volume_group *vg);
#define vg_is_clustered(vg) (vg_status((vg)) & CLUSTERED)
#define vg_is_exported(vg) (vg_status((vg)) & EXPORTED_VG)
--- LVM2/lib/metadata/metadata.c 2010/06/28 20:36:37 1.358
+++ LVM2/lib/metadata/metadata.c 2010/06/28 20:36:56 1.359
@@ -989,6 +989,22 @@
return 1;
}
+uint32_t vg_mda_copies(const struct volume_group *vg)
+{
+ return vg->mda_copies;
+}
+
+int vg_set_mda_copies(struct volume_group *vg, uint32_t value)
+{
+ /* FIXME: add checks, etc, and set the value */
+ /*
+ * FIXME: Before we set a larger value, we may need to
+ * enable some mdas on PVS
+ */
+ vg->mda_copies = value;
+ return 1;
+}
+
int vg_set_extent_size(struct volume_group *vg, uint32_t new_size)
{
uint32_t old_size = vg->extent_size;