2 * linux/fs/9p/vfs_dentry.c
4 * This file contians vfs dentry ops for the 9P2000 protocol.
6 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
7 * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to:
21 * Free Software Foundation
22 * 51 Franklin Street, Fifth Floor
23 * Boston, MA 02111-1301 USA
27 #include <linux/module.h>
28 #include <linux/errno.h>
30 #include <linux/file.h>
31 #include <linux/pagemap.h>
32 #include <linux/stat.h>
33 #include <linux/string.h>
34 #include <linux/smp_lock.h>
35 #include <linux/inet.h>
36 #include <linux/namei.h>
37 #include <linux/idr.h>
46 * v9fs_dentry_delete - called when dentry refcount equals 0
47 * @dentry: dentry in question
49 * By returning 1 here we should remove cacheing of unused
54 int v9fs_dentry_delete(struct dentry *dentry)
56 dprintk(DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry);
61 * v9fs_dentry_release - called when dentry is going to be freed
62 * @dentry: dentry that is being release
66 void v9fs_dentry_release(struct dentry *dentry)
70 dprintk(DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry);
72 if (dentry->d_fsdata != NULL) {
73 struct list_head *fid_list = dentry->d_fsdata;
74 struct v9fs_fid *temp = NULL;
75 struct v9fs_fid *current_fid = NULL;
77 list_for_each_entry_safe(current_fid, temp, fid_list, list) {
78 err = v9fs_t_clunk(current_fid->v9ses, current_fid->fid);
81 dprintk(DEBUG_ERROR, "clunk failed: %d name %s\n",
82 err, dentry->d_iname);
84 v9fs_fid_destroy(current_fid);
87 kfree(dentry->d_fsdata); /* free the list_head */
91 struct dentry_operations v9fs_dentry_operations = {
92 .d_delete = v9fs_dentry_delete,
93 .d_release = v9fs_dentry_release,