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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/9p/vfs_dentry.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/9p/vfs_dentry.c')
-rw-r--r--ANDROID_3.4.5/fs/9p/vfs_dentry.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/ANDROID_3.4.5/fs/9p/vfs_dentry.c b/ANDROID_3.4.5/fs/9p/vfs_dentry.c
deleted file mode 100644
index d529437f..00000000
--- a/ANDROID_3.4.5/fs/9p/vfs_dentry.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * 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/inet.h>
-#include <linux/namei.h>
-#include <linux/idr.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <net/9p/9p.h>
-#include <net/9p/client.h>
-
-#include "v9fs.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(const struct dentry *dentry)
-{
- p9_debug(P9_DEBUG_VFS, " dentry: %s (%p)\n",
- dentry->d_name.name, dentry);
-
- return 1;
-}
-
-/**
- * v9fs_cached_dentry_delete - called when dentry refcount equals 0
- * @dentry: dentry in question
- *
- */
-static int v9fs_cached_dentry_delete(const struct dentry *dentry)
-{
- p9_debug(P9_DEBUG_VFS, " dentry: %s (%p)\n",
- dentry->d_name.name, dentry);
-
- /* Don't cache negative dentries */
- if (!dentry->d_inode)
- return 1;
- return 0;
-}
-
-/**
- * v9fs_dentry_release - called when dentry is going to be freed
- * @dentry: dentry that is being release
- *
- */
-
-static void v9fs_dentry_release(struct dentry *dentry)
-{
- struct v9fs_dentry *dent;
- struct p9_fid *temp, *current_fid;
-
- p9_debug(P9_DEBUG_VFS, " dentry: %s (%p)\n",
- dentry->d_name.name, dentry);
- dent = dentry->d_fsdata;
- if (dent) {
- list_for_each_entry_safe(current_fid, temp, &dent->fidlist,
- dlist) {
- p9_client_clunk(current_fid);
- }
-
- kfree(dent);
- dentry->d_fsdata = NULL;
- }
-}
-
-static int v9fs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
-{
- struct p9_fid *fid;
- struct inode *inode;
- struct v9fs_inode *v9inode;
-
- if (nd->flags & LOOKUP_RCU)
- return -ECHILD;
-
- inode = dentry->d_inode;
- if (!inode)
- goto out_valid;
-
- v9inode = V9FS_I(inode);
- if (v9inode->cache_validity & V9FS_INO_INVALID_ATTR) {
- int retval;
- struct v9fs_session_info *v9ses;
- fid = v9fs_fid_lookup(dentry);
- if (IS_ERR(fid))
- return PTR_ERR(fid);
-
- v9ses = v9fs_inode2v9ses(inode);
- if (v9fs_proto_dotl(v9ses))
- retval = v9fs_refresh_inode_dotl(fid, inode);
- else
- retval = v9fs_refresh_inode(fid, inode);
- if (retval == -ENOENT)
- return 0;
- if (retval < 0)
- return retval;
- }
-out_valid:
- return 1;
-}
-
-const struct dentry_operations v9fs_cached_dentry_operations = {
- .d_revalidate = v9fs_lookup_revalidate,
- .d_delete = v9fs_cached_dentry_delete,
- .d_release = v9fs_dentry_release,
-};
-
-const struct dentry_operations v9fs_dentry_operations = {
- .d_delete = v9fs_dentry_delete,
- .d_release = v9fs_dentry_release,
-};