From d7f44761abede516695eee34cc382f97e5ae3094 Mon Sep 17 00:00:00 2001
From: Milan Broz <mbroz@redhat.com>
Date: Tue, 5 Jan 2010 16:03:37 +0000
Subject: [PATCH] Properly decode flags even for VG locks.

And decode flags in humar readable form in client.
And clean some trailing whitespaces.

No functional change in this patch (only debugging messages changed).
---
 WHATS_NEW                     |  1 +
 daemons/clvmd/lvm-functions.c | 71 ++++++++++++++++++-----------------
 lib/locking/cluster_locking.c | 13 ++++---
 3 files changed, 44 insertions(+), 41 deletions(-)

diff --git a/WHATS_NEW b/WHATS_NEW
index b8a5135c5..13232af05 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.57 -
 ====================================
+  Properly decode flags even for VG locks.
   Properly handle precommitted flag in cache when commited data only present.
   Resume renamed volumes in reverse order to preserve memlock pairing.
   Drop metadata cache after device was autorepaired and removed from VG.
diff --git a/daemons/clvmd/lvm-functions.c b/daemons/clvmd/lvm-functions.c
index 385aa860c..c832ec59d 100644
--- a/daemons/clvmd/lvm-functions.c
+++ b/daemons/clvmd/lvm-functions.c
@@ -74,23 +74,23 @@ static const char *decode_locking_cmd(unsigned char cmdl)
 	const char *command;
 
 	switch (cmdl & LCK_TYPE_MASK) {
-	case LCK_NULL:   
-		type = "NULL";   
+	case LCK_NULL:
+		type = "NULL";
 		break;
-	case LCK_READ:   
-		type = "READ";   
+	case LCK_READ:
+		type = "READ";
 		break;
-	case LCK_PREAD:  
-		type = "PREAD";  
+	case LCK_PREAD:
+		type = "PREAD";
 		break;
-	case LCK_WRITE:  
-		type = "WRITE";  
+	case LCK_WRITE:
+		type = "WRITE";
 		break;
-	case LCK_EXCL:   
-		type = "EXCL";   
+	case LCK_EXCL:
+		type = "EXCL";
 		break;
-	case LCK_UNLOCK: 
-		type = "UNLOCK"; 
+	case LCK_UNLOCK:
+		type = "UNLOCK";
 		break;
 	default:
 		type = "unknown";
@@ -98,34 +98,35 @@ static const char *decode_locking_cmd(unsigned char cmdl)
 	}
 
 	switch (cmdl & LCK_SCOPE_MASK) {
-	case LCK_VG: 
-		scope = "VG"; 
+	case LCK_VG:
+		scope = "VG";
+		command = "LCK_VG";
 		break;
-	case LCK_LV: 
+	case LCK_LV:
 		scope = "LV"; 
+		switch (cmdl & LCK_MASK) {
+		case LCK_LV_EXCLUSIVE & LCK_MASK:
+			command = "LCK_LV_EXCLUSIVE";
+			break;
+		case LCK_LV_SUSPEND & LCK_MASK:
+			command = "LCK_LV_SUSPEND";
+			break;
+		case LCK_LV_RESUME & LCK_MASK:
+			command = "LCK_LV_RESUME";
+			break;
+		case LCK_LV_ACTIVATE & LCK_MASK:
+			command = "LCK_LV_ACTIVATE";
+			break;
+		case LCK_LV_DEACTIVATE & LCK_MASK:
+			command = "LCK_LV_DEACTIVATE";
+			break;
+		default:
+			command = "unknown";
+			break;
+		}
 		break;
 	default:
 		scope = "unknown";
-		break;
-	}
-
-	switch (cmdl & LCK_MASK) {
-	case LCK_LV_EXCLUSIVE & LCK_MASK:
-		command = "LCK_LV_EXCLUSIVE";  
-		break;
-	case LCK_LV_SUSPEND & LCK_MASK:    
-		command = "LCK_LV_SUSPEND";    
-		break;
-	case LCK_LV_RESUME & LCK_MASK:     
-		command = "LCK_LV_RESUME";     
-		break;
-	case LCK_LV_ACTIVATE & LCK_MASK:   
-		command = "LCK_LV_ACTIVATE";   
-		break;
-	case LCK_LV_DEACTIVATE & LCK_MASK: 
-		command = "LCK_LV_DEACTIVATE"; 
-		break;
-	default:
 		command = "unknown";
 		break;
 	}
diff --git a/lib/locking/cluster_locking.c b/lib/locking/cluster_locking.c
index d3138f224..225795ab9 100644
--- a/lib/locking/cluster_locking.c
+++ b/lib/locking/cluster_locking.c
@@ -450,12 +450,13 @@ int lock_resource(struct cmd_context *cmd, const char *resource, uint32_t flags)
 		return 0;
 	}
 
-	log_very_verbose("Locking %s %s %s %s%s%s%s (0x%x)", lock_scope, lockname,
-			 lock_type,
-			 flags & LCK_NONBLOCK ? "" : "B",
-			 flags & LCK_HOLD ? "H" : "",
-			 flags & LCK_LOCAL ? "L" : "",
-			 flags & LCK_CLUSTER_VG ? "C" : "",
+	log_very_verbose("Locking %s %s %s (%s%s%s%s%s%s) (0x%x)", lock_scope, lockname,
+			 lock_type, lock_scope,
+			 flags & LCK_NONBLOCK ? "|NONBLOCK" : "",
+			 flags & LCK_HOLD ? "|HOLD" : "",
+			 flags & LCK_LOCAL ? "|LOCAL" : "",
+			 flags & LCK_CLUSTER_VG ? "|CLUSTER" : "",
+			 flags & LCK_CACHE ? "|CACHE" : "",
 			 flags);
 
 	/* Send a message to the cluster manager */
-- 
2.43.5