[Libsysio-commit] HEAD: libsysio/src inode.c

[Lee W. <lw...@us...>]

Update of /cvsroot/libsysio/libsysio/src
In directory sc8-pr-cvs6.sourceforge.net:/tmp/cvs-serv14759/src

Modified Files:
	inode.c 
Log Message:


- No longer maintain a list of all pnodes in the system.

+ Introduce a list of idle pnodes for use by the garbage collector.


Index: inode.c
===================================================================
RCS file: /cvsroot/libsysio/libsysio/src/inode.c,v
retrieving revision 1.29
retrieving revision 1.30
diff -u -w -b -B -p -r1.29 -r1.30
--- inode.c	21 Sep 2007 19:41:37 -0000	1.29
+++ inode.c	21 Sep 2007 20:12:55 -0000	1.30
@@ -93,9 +93,9 @@ static size_t desired_names = (3 * NAMES
 static size_t max_names;
 
 /*
- * List of all path-nodes (aliases) referenced by any tree.
+ * List of all path-nodes (aliases) that are not currently referenced.
  */
-struct pnodes_head _sysio_pnodes;
+struct pnodes_head _sysio_idle_pnodes;
 
 /*
  * The system root -- Aka `/'.
@@ -122,7 +122,7 @@ _sysio_i_init()
 	for (i = 0; i < NAMES_TABLE_LEN; i++)
 		names[i] = NULL;
 
-	TAILQ_INIT(&_sysio_pnodes);
+	TAILQ_INIT(&_sysio_idle_pnodes);
 
 	max_names = desired_names;
 
@@ -335,7 +335,7 @@ p_reclaim(unsigned count)
 #ifdef I_STATS
 	p_reclaims++;
 #endif
-	next = _sysio_pnodes.tqh_first;
+	next = _sysio_idle_pnodes.tqh_first;
 	if (!next)
 		return;
 	t = n_names / 2;
@@ -344,9 +344,9 @@ p_reclaim(unsigned count)
 		p_examined++;
 #endif
 		pno = next;
-		next = pno->p_nodes.tqe_next;
+		next = pno->p_idle.tqe_next;
 		if (pno->p_ref)
-			continue;
+			abort();
 		if (pno->p_mount->mnt_root == pno) {
 			/*
 			 * We never reclaim mount points, here.
@@ -586,7 +586,6 @@ _sysio_p_new_alias(struct pnode *parent,
 	pno->p_mount = mnt;
 	pno->p_cover = NULL;
 	LIST_INSERT_HEAD(&pb->pb_aliases, pno, p_links);
-	TAILQ_INSERT_TAIL(&_sysio_pnodes, pno, p_nodes);
 
 	return pno;
 }
@@ -600,7 +599,7 @@ _sysio_p_gone(struct pnode *pno)
 	assert(!pno->p_ref);
 	assert(!pno->p_cover);
 
-	TAILQ_REMOVE(&_sysio_pnodes, pno, p_nodes);
+	TAILQ_REMOVE(&_sysio_idle_pnodes, pno, p_idle);
 	LIST_REMOVE(pno, p_links);
 
 	free(pno);