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

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

Update of /cvsroot/libsysio/libsysio/src
In directory ddv4jf1.ch3.sourceforge.com:/tmp/cvs-serv20145/src

Modified Files:
	inode.c 
Log Message:


The all-pbnodes list is changed to be maintained as a tailq, instead of a
simple linked list.


Index: inode.c
===================================================================
RCS file: /cvsroot/libsysio/libsysio/src/inode.c,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -w -b -B -p -r1.49 -r1.50
--- inode.c	12 Dec 2008 22:28:15 -0000	1.49
+++ inode.c	15 Dec 2008 19:55:54 -0000	1.50
@@ -93,7 +93,7 @@ static size_t n_names = 0;
 struct pnodes_head _sysio_idle_pnodes;
 
 #ifdef P_RECLAIM_DEBUG
-static LIST_HEAD(, pnode_base) pbnodes;
+static TAILQ_HEAD(, pnode_base) pbnodes;
 #endif
 
 /*
@@ -385,9 +385,9 @@ p_reclaim_debug()
 	npbleaves = 0;
 	npborphans = 0;
 
-	nxt = pbnodes.lh_first;
+	nxt = pbnodes.tqh_first;
 	while ((pb = nxt)) {
-		nxt = pb->pb_links.le_next;
+		nxt = pb->pb_links.tqe_next;
 		npb++;
 		if (!pb->pb_children.lh_first)
 			npbleaves++;
@@ -545,7 +545,8 @@ _sysio_pb_new(struct qstr *name, struct 
 	PB_INIT(pb, name, parent, ino);
 	if (ino)
 		I_REF(ino);
-	PB_GET(pb);
+	PB_LOCK(pb);
+
 	if (parent)
 		LIST_INSERT_HEAD(&parent->pb_children, pb, pb_sibs);
 	if (pb->pb_key.pbk_name.len) {
@@ -562,14 +563,15 @@ _sysio_pb_new(struct qstr *name, struct 
 		pb->pb_key.pbk_name.name = cp;
 		ncache_insert(pb);
 	}
+#ifdef P_RECLAIM_DEBUG
+	TAILQ_INSERT_HEAD(&pbnodes, pb, pb_links);
+#endif
+	PB_GET(pb);
+	PB_UNLOCK(pb);
 
 	n_names++;
 	assert(n_names);
 
-#ifdef P_RECLAIM_DEBUG
-	LIST_INSERT_HEAD(&pbnodes, pb, pb_links);
-#endif
-
 	if (n_names > NAMES_TABLE_LEN) {
 		unsigned n;
 		/*
@@ -603,7 +605,7 @@ _sysio_pb_gone(struct pnode_base *pb)
 	if (pb->pb_key.pbk_parent)
 		LIST_REMOVE(pb, pb_sibs);
 #ifdef P_RECLAIM_DEBUG
-	LIST_REMOVE(pb, pb_links);
+	TAILQ_REMOVE(&pbnodes, pb, pb_links);
 #endif
 	ino = pb->pb_ino;
 	if (ino)