.

wcfs/todo.dot

@@ -25,6 +25,7 @@ digraph {
 	wcfsInvProcess	-> zobj2file;
 	wcfsInvProcess	-> δFtail;
 	wcfsInvProcess	-> fuseRetrieveCache;
+	wcfsInvProcess	-> _wcfs_zhead;
 
 	ZODB_go_inv	-> fs1_go_inv;
 	ZODB_go_inv	-> zeo_go_inv;
@@ -34,7 +35,7 @@ digraph {
 	wcfsRead	-> blktabGet;
 	wcfsRead	-> δFtail;
 	wcfsRead	-> mappingRegister;
-	wcfsRead	-> headInv;
+	wcfsRead	-> headWatch;
 
 
 
@@ -56,7 +57,10 @@ digraph {
 //	client		-> wcfs_spawn;
 
 
-	clientInvHandle -> headInv;
+	clientInvHandle -> headWatch;
+
+	headWatch	-> fileSock;
+	_wcfs_zhead	-> fileSock;
 
 //	Btree_read	-> ZODB_read;
 //	ZBlk_read	-> ZODB_read;
@@ -68,14 +72,16 @@ digraph {
 	nowcfs		[label="!wcfs mode"]
 
 	wcfsInvProcess	[label="process\nZODB invalidations"]
-	zconnCacheGet	[label="zconn.Cache.Get", style=filled fillcolor=grey95]
+	zconnCacheGet	[label="zonn.\n.Cache.Get", style=filled fillcolor=grey95]
 	zobj2file	[label="Z* → file/[]#blk"]
-	zblk2file	[label="ZBlk* → file/[]#blk", style=filled fillcolor=grey95]
-	zbtree2file	[label="BTree/Bucket → file/[]#blk"]
+	zblk2file	[label="ZBlk*\n↓\nfile/[]#blk", style=filled fillcolor=grey95]
+	zbtree2file	[label="BTree/Bucket\n↓\nfile/[]#blk"]
 	δBTree		[label="δ(BTree)"]
 
 	fuseRetrieveCache [label="FUSE:\nretrieve cache", style=filled fillcolor=grey95]
 
+	_wcfs_zhead	[label=".wcfs/\nzhead"]
+
 	wcfsRead	[label="read(#blk)"]
 
 	blktabGet	[label="blktab.Get(#blk):\nmanually + → ⌈rev(#blk)⌉"]
@@ -83,13 +89,14 @@ digraph {
 
 	mappingRegister	[label="mmappings:\nregister/maint"]
 	clientInvHandle	[label="process\n#blk invalidations"]
-	headInv		[label="#blk ← head/inv."]
+	headWatch	[label="#blk ← head/watch"]
+	fileSock	[label="FileSock"]
 
 	ZODB_go_inv	[label="ZODB/go\ninvalidations"]
 	fs1_go_inv	[label="fs1/go\ninvalidations", style=filled fillcolor=grey95]
 	zeo_go_inv	[label="zeo/go\ninvalidations"]
 	neo_go_inv	[label="neo/go\ninvalidations"]
-	zcache_go_inv	[label="ZCache/go\n<-watchq"]
+	zcache_go_inv	[label="ZCache/go\n←watchq"]
 //	Btree_read	[label="BTree read", style=filled fillcolor=lightyellow]
 //	ZBlk_read	[label="ZBigFile / ZBlk* read", style=filled fillcolor=lightyellow]
 //	ZODB_read	[label="ZODB deserialize object", style=filled fillcolor=lightyellow]