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From: agk@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2 lib/cache/lvmcache.c ./WHATS_NEW
Date: Tue, 16 Sep 2008 18:05:00 -0000 [thread overview]
Message-ID: <20080916180512.27596.qmail@sourceware.org> (raw)
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: agk@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.
next reply other threads:[~2008-09-16 18:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-16 18:05 agk [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-04-24 2:22 agk
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