From c16eed2cb64089bf7d958db0fe85352f4ceefb4d Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Wed, 14 May 2014 11:19:35 +0200
Subject: libdiskfs: lock-less reference counting of nodes

* libdiskfs/diskfs.h (struct node): Use refcounts_t for reference counting.
(diskfs_node_refcnt_lock): Remove.
(diskfs_node_norefs,diskfs_drop_node): Change comments accordingly.
* libdiskfs/init-init.c: Adjust accordingly.
* libdiskfs/node-drop.c: Likewise.
* libdiskfs/node-make.c: Likewise.
* libdiskfs/node-nput.c: Likewise.
* libdiskfs/node-nputl.c: Likewise.
* libdiskfs/node-nref.c: Likewise.
* libdiskfs/node-nrefl.c: Likewise.
* libdiskfs/node-nrele.c: Likewise.
* libdiskfs/node-nrelel.c: Likewise.
* ext2fs/inode.c: Likewise.
* fatfs/inode.c: Likewise.
* isofs/inode.c: Likewise.
* tmpfs/node.c: Likewise.
* doc/hurd.texi: Likewise.
---
 libdiskfs/node-make.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'libdiskfs/node-make.c')

diff --git a/libdiskfs/node-make.c b/libdiskfs/node-make.c
index ff0cc0d4..c7ca3b04 100644
--- a/libdiskfs/node-make.c
+++ b/libdiskfs/node-make.c
@@ -29,8 +29,7 @@ init_node (struct node *np, struct disknode *dn)
   np->dn_stat_dirty = 0;
 
   pthread_mutex_init (&np->lock, NULL);
-  np->references = 1;
-  np->light_references = 0;
+  refcounts_init (&np->refcounts, 1, 0);
   np->owner = 0;
   np->sockaddr = MACH_PORT_NULL;
 
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