diff options
Diffstat (limited to 'libnetfs')
-rw-r--r-- | libnetfs/drop-node.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libnetfs/drop-node.c b/libnetfs/drop-node.c new file mode 100644 index 00000000..b3dd10a0 --- /dev/null +++ b/libnetfs/drop-node.c @@ -0,0 +1,50 @@ +/* + Copyright (C) 1995 Free Software Foundation, Inc. + Written by Michael I. Bushnell, p/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 "netfs.h" + +void +netfs_drop_node (struct node *np) +{ + mode_t savemode; + + if (np->dn_stat.st_nlink == 0) + { + assert (!netfs_readonly); + + if (np->allocsize != 0) + { + np->references++; + spin_unlock (&netfs_node_refcnt_lock); + netfs_truncate (np, 0); + + netfs_nput (np); + return; + } + /* How to clear? */ + } + + fshelp_drop_transbox (&np->transbox); + + netfs_node_norefs (np); + spin_unlock (&netfs_node_refcnt_lock); +} + + |