From 087058d53edc32dc9f0fc886c940e264a911a299 Mon Sep 17 00:00:00 2001 From: Thomas Bushnell Date: Thu, 1 Jul 1999 20:55:04 +0000 Subject: 1999-07-01 Thomas Bushnell, BSG * node-nref.c: New file; guts from diskfs.h. * node-nput.c: Likewise. * node-nrele.c: Likewise. * node-nrefl.c: Likewise. * node-nputl.c: Likewise. * node-nrelel.c: LIkewise. * diskfs.h (diskfs_nref, diskfs_nput, diskfs_nrele, diskfs_nref_light, diskfs_nput_light, diskfs_nrele_light): Replace inline definitions with ordinary declarations. (DISKFS_EI): Removed macro. * diskfs.c: Deleted file. * Makefile (OTHERSRCS): Added node-nref.c, node-nput.c node-nrele.c, node-nrefl.c, node-nputl.c, node-nrelel.c. Removed diskfs.c. --- libdiskfs/node-nputl.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 libdiskfs/node-nputl.c (limited to 'libdiskfs/node-nputl.c') diff --git a/libdiskfs/node-nputl.c b/libdiskfs/node-nputl.c new file mode 100644 index 00000000..337bb25d --- /dev/null +++ b/libdiskfs/node-nputl.c @@ -0,0 +1,38 @@ +/* + Copyright (C) 1999 Free Software Foundation, Inc. + Written by Thomas Bushnell, BSG. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ + + +#include "priv.h" + +/* Unlock node NP and release a light reference */ +DISKFS_EI void +diskfs_nput_light (struct node *np) +{ + spin_lock (&diskfs_node_refcnt_lock); + assert (np->light_references); + np->light_references--; + if (np->references + np->light_references == 0) + diskfs_drop_node (np); + else + { + spin_unlock (&diskfs_node_refcnt_lock); + mutex_unlock (&np->lock); + } +} -- cgit v1.2.3