diff options
author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
---|---|---|
committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/9p/vfs_dentry.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.c | 147 |
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, -}; |