[lvm-devel] LVM2 lib/cache/lvmcache.c ./WHATS_NEW
agk at sourceware.org
agk at sourceware.org
Tue Sep 16 18:05:12 UTC 2008
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: agk at sourceware.org 2008-09-16 18:05:11
Modified files:
lib/cache : lvmcache.c
. : WHATS_NEW
Log message:
Avoid repeatedly wiping cache while VG_GLOBAL is held in vgscan & pvscan.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/cache/lvmcache.c.diff?cvsroot=lvm2&r1=1.59&r2=1.60
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.951&r2=1.952
--- LVM2/lib/cache/lvmcache.c 2008/06/27 15:18:31 1.59
+++ LVM2/lib/cache/lvmcache.c 2008/09/16 18:05:11 1.60
@@ -97,9 +97,10 @@
int was_locked = (info->status & CACHE_LOCKED) ? 1 : 0;
/*
- * Cache becomes invalid whenever lock state changes
+ * Cache becomes invalid whenever lock state changes unless
+ * exclusive VG_GLOBAL is held (i.e. while scanning).
*/
- if (was_locked != locked) {
+ if (!vgname_is_locked(VG_GLOBAL) && (was_locked != locked)) {
info->status |= CACHE_INVALID;
*cached_vgmetadata_valid = 0;
}
@@ -166,7 +167,7 @@
/* Indicate that PVs could now be missing from the cache */
init_full_scan_done(0);
- } else
+ } else if (!vgname_is_locked(VG_GLOBAL))
_drop_metadata(vgname);
}
--- LVM2/WHATS_NEW 2008/09/12 15:26:44 1.951
+++ LVM2/WHATS_NEW 2008/09/16 18:05:11 1.952
@@ -1,5 +1,6 @@
Version 2.02.40 -
================================
+ Avoid repeatedly wiping cache while VG_GLOBAL is held in vgscan & pvscan.
Fix pvresize to not allow resize if PV has two metadata areas.
Fix setting of volume limit count if converting to lvm1 format.
Fix vgconvert logical volume id metadata validation.
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