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LVM2/lib/locking locking.h
- From: agk at sourceware dot org
- To: lvm-devel at redhat dot com, lvm2-cvs at sourceware dot org
- Date: 8 Dec 2011 18:09:48 -0000
- Subject: LVM2/lib/locking locking.h
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: agk@sourceware.org 2011-12-08 18:09:48
Modified files:
lib/locking : locking.h
Log message:
Update comments. CLUSTER_VG belongs firmly to args[0].
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/locking/locking.h.diff?cvsroot=lvm2&r1=1.72&r2=1.73
--- LVM2/lib/locking/locking.h 2011/12/03 11:36:10 1.72
+++ LVM2/lib/locking/locking.h 2011/12/08 18:09:48 1.73
@@ -89,13 +89,14 @@
#define LCK_LV 0x00000008U
/*
- * Lock bits
+ * Lock bits.
+ * Bottom 8 bits except LCK_LOCAL form args[0] in cluster comms.
*/
#define LCK_NONBLOCK 0x00000010U /* Don't block waiting for lock? */
#define LCK_HOLD 0x00000020U /* Hold lock when lock_vol returns? */
+#define LCK_CLUSTER_VG 0x00000080U /* VG is clustered */
+
#define LCK_LOCAL 0x00000040U /* Don't propagate to other nodes */
-// FIXME: not used in lock bits
-//#define LCK_CLUSTER_VG 0x00000080U /* VG is clustered */
#define LCK_CACHE 0x00000100U /* Operation on cache only using P_ lock */
#define LCK_ORIGIN_ONLY 0x00000200U /* Operation should bypass any snapshots */
#define LCK_REVERT 0x00000400U /* Revert any incomplete change */
@@ -106,14 +107,14 @@
#define LCK_PARTIAL_MODE 0x01 /* Partial activation? */
#define LCK_MIRROR_NOSYNC_MODE 0x02 /* Mirrors don't require sync */
#define LCK_DMEVENTD_MONITOR_MODE 0x04 /* Register with dmeventd */
+
+/* Not yet used. */
#define LCK_CONVERT 0x08 /* Convert existing lock */
+
#define LCK_TEST_MODE 0x10 /* Test mode: No activation */
#define LCK_ORIGIN_ONLY_MODE 0x20 /* Same as above */
#define LCK_DMEVENTD_MONITOR_IGNORE 0x40 /* Whether to ignore dmeventd */
-
-// FIXME: conflict here (CLUSTER_VG is used here)
#define LCK_REVERT_MODE 0x80 /* Remove inactive tables */
-#define LCK_CLUSTER_VG 0x80 /* VG is clustered */
/*
* Special cases of VG locks.