Document lock function.

427d1580 · Han-Wen Nienhuys · 542fa903 · 427d1580
Commit 427d1580 authored Apr 22, 2011 by Han-Wen Nienhuys
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fuse/pathfilesystem.go fuse/pathfilesystem.go +5 -2

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--- a/fuse/pathfilesystem.go
+++ b/fuse/pathfilesystem.go
@@ -163,7 +163,8 @@ type FileSystemConnector struct {

 	////////////////

-	// Protects the inodeMap and each node's Children map.
+	// Protects the inodeMap and each node's Children/Parent
+	// relations.
 	treeLock sync.RWMutex

 	// Invariants: see the verify() method.
@@ -171,8 +172,10 @@ type FileSystemConnector struct {
 	rootNode      *inode

 	// Open files/directories.
-	fileLock       sync.RWMutex
 	openFiles      map[uint64]*interfaceBridge
+
+	// Protects openFiles and OpenCount in all of the nodes.
+	fileLock       sync.RWMutex
 }

 type interfaceBridge struct {