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LVM2 ./WHATS_NEW lib/activate/dev_manager.c
- From: snitzer at sourceware dot org
- To: lvm-devel at redhat dot com, lvm2-cvs at sourceware dot org
- Date: 20 Jan 2012 21:56:01 -0000
- Subject: LVM2 ./WHATS_NEW lib/activate/dev_manager.c
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: snitzer@sourceware.org 2012-01-20 21:56:01
Modified files:
. : WHATS_NEW
lib/activate : dev_manager.c
Log message:
Lookup snapshot usage percent of origin when a snapshot is merging.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.2228&r2=1.2229
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/activate/dev_manager.c.diff?cvsroot=lvm2&r1=1.261&r2=1.262
--- LVM2/WHATS_NEW 2012/01/20 16:59:58 1.2228
+++ LVM2/WHATS_NEW 2012/01/20 21:56:01 1.2229
@@ -1,5 +1,6 @@
Version 2.02.89 -
==================================
+ Lookup snapshot usage percent of origin when a snapshot is merging.
Update lvdisplay with backward compat. config opt. lvm1_compatible_display.
Do not report linear segtype for non-striped targets.
Keep info about creation host and time for each logical volume.
--- LVM2/lib/activate/dev_manager.c 2012/01/19 15:27:54 1.261
+++ LVM2/lib/activate/dev_manager.c 2012/01/20 21:56:01 1.262
@@ -742,6 +742,7 @@
const struct logical_volume *lv,
percent_t *percent)
{
+ const struct logical_volume *snap_lv;
char *name;
const char *dlid;
int fail_if_percent_unsupported = 0;
@@ -761,13 +762,19 @@
fail_if_percent_unsupported = 1;
}
+ if (lv_is_merging_cow(lv)) {
+ /* must check percent of origin for a merging snapshot */
+ snap_lv = origin_from_cow(lv);
+ } else
+ snap_lv = lv;
+
/*
* Build a name for the top layer.
*/
- if (!(name = dm_build_dm_name(dm->mem, lv->vg->name, lv->name, NULL)))
+ if (!(name = dm_build_dm_name(dm->mem, snap_lv->vg->name, snap_lv->name, NULL)))
return_0;
- if (!(dlid = build_dm_uuid(dm->mem, lv->lvid.s, NULL)))
+ if (!(dlid = build_dm_uuid(dm->mem, snap_lv->lvid.s, NULL)))
return_0;
/*