42e8c509cf
Update license boilerplate to specify GPLv2 and remove the (at your option clause). This change was agreed to by all the copyright holders (approvals can be found on v9fs-developer mailing list). Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
|
|
* linux/fs/9p/vfs_dentry.c
|
|
*
|
|
* This file contians vfs dentry ops for the 9P2000 protocol.
|
|
*
|
|
* Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
|
|
* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program 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:
|
|
* Free Software Foundation
|
|
* 51 Franklin Street, Fifth Floor
|
|
* Boston, MA 02111-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/file.h>
|
|
#include <linux/pagemap.h>
|
|
#include <linux/stat.h>
|
|
#include <linux/string.h>
|
|
#include <linux/smp_lock.h>
|
|
#include <linux/inet.h>
|
|
#include <linux/namei.h>
|
|
#include <linux/idr.h>
|
|
|
|
#include "debug.h"
|
|
#include "v9fs.h"
|
|
#include "9p.h"
|
|
#include "v9fs_vfs.h"
|
|
#include "fid.h"
|
|
|
|
/**
|
|
* v9fs_dentry_delete - called when dentry refcount equals 0
|
|
* @dentry: dentry in question
|
|
*
|
|
* By returning 1 here we should remove cacheing of unused
|
|
* dentry components.
|
|
*
|
|
*/
|
|
|
|
static int v9fs_dentry_delete(struct dentry *dentry)
|
|
{
|
|
dprintk(DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* v9fs_dentry_release - called when dentry is going to be freed
|
|
* @dentry: dentry that is being release
|
|
*
|
|
*/
|
|
|
|
void v9fs_dentry_release(struct dentry *dentry)
|
|
{
|
|
int err;
|
|
|
|
dprintk(DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry);
|
|
|
|
if (dentry->d_fsdata != NULL) {
|
|
struct list_head *fid_list = dentry->d_fsdata;
|
|
struct v9fs_fid *temp = NULL;
|
|
struct v9fs_fid *current_fid = NULL;
|
|
|
|
list_for_each_entry_safe(current_fid, temp, fid_list, list) {
|
|
err = v9fs_t_clunk(current_fid->v9ses, current_fid->fid);
|
|
|
|
if (err < 0)
|
|
dprintk(DEBUG_ERROR, "clunk failed: %d name %s\n",
|
|
err, dentry->d_iname);
|
|
|
|
v9fs_fid_destroy(current_fid);
|
|
}
|
|
|
|
kfree(dentry->d_fsdata); /* free the list_head */
|
|
}
|
|
}
|
|
|
|
struct dentry_operations v9fs_dentry_operations = {
|
|
.d_delete = v9fs_dentry_delete,
|
|
.d_release = v9fs_dentry_release,
|
|
};
|