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From: zkabelac@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2/lib/locking locking.h
Date: Tue, 24 Apr 2012 12:17:00 -0000 [thread overview]
Message-ID: <20120424121713.31199.qmail@sourceware.org> (raw)
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac@sourceware.org 2012-04-24 12:17:13
Modified files:
lib/locking : locking.h
Log message:
Add some lock comments
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/locking/locking.h.diff?cvsroot=lvm2&r1=1.75&r2=1.76
--- LVM2/lib/locking/locking.h 2012/02/27 09:52:37 1.75
+++ LVM2/lib/locking/locking.h 2012/04/24 12:17:12 1.76
@@ -67,13 +67,13 @@
*/
#define LCK_TYPE_MASK 0x00000007U
-#define LCK_NULL 0x00000000U /* LCK$_NLMODE */
-#define LCK_READ 0x00000001U /* LCK$_CRMODE */
+#define LCK_NULL 0x00000000U /* LCK$_NLMODE (Deactivate) */
+#define LCK_READ 0x00000001U /* LCK$_CRMODE (Activate) */
/* LCK$_CWMODE */
#define LCK_PREAD 0x00000003U /* LCK$_PRMODE */
-#define LCK_WRITE 0x00000004U /* LCK$_PWMODE */
-#define LCK_EXCL 0x00000005U /* LCK$_EXMODE */
-#define LCK_UNLOCK 0x00000006U /* This is ours */
+#define LCK_WRITE 0x00000004U /* LCK$_PWMODE (Suspend) */
+#define LCK_EXCL 0x00000005U /* LCK$_EXMODE (Exclusive) */
+#define LCK_UNLOCK 0x00000006U /* This is ours (Resume) */
/*
* Lock flags - these numbers are the same as DLM
next reply other threads:[~2012-04-24 12:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-24 12:17 zkabelac [this message]
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2012-02-27 9:54 zkabelac
2011-12-08 18:09 agk
2011-12-03 11:36 mbroz
2011-12-03 11:34 mbroz
2010-05-19 1:49 agk
2009-10-01 14:15 ccaulfield
2009-07-24 18:26 agk
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