JFS: don't dereference tlck->ip from txUpdateMap

The inode pointer may no longer be valid

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
diff --git a/fs/jfs/jfs_txnmgr.h b/fs/jfs/jfs_txnmgr.h
index 59ad0f6..0e4dc45 100644
--- a/fs/jfs/jfs_txnmgr.h
+++ b/fs/jfs/jfs_txnmgr.h
@@ -122,6 +122,7 @@
 #define tlckLOG			0x0800
 /* updateMap state */
 #define	tlckUPDATEMAP		0x0080
+#define	tlckDIRECTORY		0x0040
 /* freeLock state */
 #define tlckFREELOCK		0x0008
 #define tlckWRITEPAGE		0x0004