1 files changed, 0 insertions, 247 deletions
diff --git a/ANDROID_3.4.5/fs/anon_inodes.c b/ANDROID_3.4.5/fs/anon_inodes.c
deleted file mode 100644
index 28d39fb8..00000000
--- a/ANDROID_3.4.5/fs/anon_inodes.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- *  fs/anon_inodes.c
- *
- *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
- *
- *  Thanks to Arnd Bergmann for code review and suggestions.
- *  More changes for Thomas Gleixner suggestions.
- *
- */
-
-#include <linux/cred.h>
-#include <linux/file.h>
-#include <linux/poll.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/mount.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/magic.h>
-#include <linux/anon_inodes.h>
-
-#include <asm/uaccess.h>
-
-static struct vfsmount *anon_inode_mnt __read_mostly;
-static struct inode *anon_inode_inode;
-static const struct file_operations anon_inode_fops;
-
-/*
- * anon_inodefs_dname() is called from d_path().
- */
-static char *anon_inodefs_dname(struct dentry *dentry, char *buffer, int buflen)
-{
-	return dynamic_dname(dentry, buffer, buflen, "anon_inode:%s",
-				dentry->d_name.name);
-}
-
-static const struct dentry_operations anon_inodefs_dentry_operations = {
-	.d_dname	= anon_inodefs_dname,
-};
-
-/*
- * nop .set_page_dirty method so that people can use .page_mkwrite on
- * anon inodes.
- */
-static int anon_set_page_dirty(struct page *page)
-{
-	return 0;
-};
-
-static const struct address_space_operations anon_aops = {
-	.set_page_dirty = anon_set_page_dirty,
-};
-
-/*
- * A single inode exists for all anon_inode files. Contrary to pipes,
- * anon_inode inodes have no associated per-instance data, so we need
- * only allocate one of them.
- */
-static struct inode *anon_inode_mkinode(struct super_block *s)
-{
-	struct inode *inode = new_inode_pseudo(s);
-
-	if (!inode)
-		return ERR_PTR(-ENOMEM);
-
-	inode->i_ino = get_next_ino();
-	inode->i_fop = &anon_inode_fops;
-
-	inode->i_mapping->a_ops = &anon_aops;
-
-	/*
-	 * Mark the inode dirty from the very beginning,
-	 * that way it will never be moved to the dirty
-	 * list because mark_inode_dirty() will think
-	 * that it already _is_ on the dirty list.
-	 */
-	inode->i_state = I_DIRTY;
-	inode->i_mode = S_IRUSR | S_IWUSR;
-	inode->i_uid = current_fsuid();
-	inode->i_gid = current_fsgid();
-	inode->i_flags |= S_PRIVATE;
-	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-	return inode;
-}
-
-static struct dentry *anon_inodefs_mount(struct file_system_type *fs_type,
-				int flags, const char *dev_name, void *data)
-{
-	struct dentry *root;
-	root = mount_pseudo(fs_type, "anon_inode:", NULL,
-			&anon_inodefs_dentry_operations, ANON_INODE_FS_MAGIC);
-	if (!IS_ERR(root)) {
-		struct super_block *s = root->d_sb;
-		anon_inode_inode = anon_inode_mkinode(s);
-		if (IS_ERR(anon_inode_inode)) {
-			dput(root);
-			deactivate_locked_super(s);
-			root = ERR_CAST(anon_inode_inode);
-		}
-	}
-	return root;
-}
-
-static struct file_system_type anon_inode_fs_type = {
-	.name		= "anon_inodefs",
-	.mount		= anon_inodefs_mount,
-	.kill_sb	= kill_anon_super,
-};
-
-/**
- * anon_inode_getfile - creates a new file instance by hooking it up to an
- *                      anonymous inode, and a dentry that describe the "class"
- *                      of the file
- *
- * @name:    [in]    name of the "class" of the new file
- * @fops:    [in]    file operations for the new file
- * @priv:    [in]    private data for the new file (will be file's private_data)
- * @flags:   [in]    flags
- *
- * Creates a new file by hooking it on a single inode. This is useful for files
- * that do not need to have a full-fledged inode in order to operate correctly.
- * All the files created with anon_inode_getfile() will share a single inode,
- * hence saving memory and avoiding code duplication for the file/inode/dentry
- * setup.  Returns the newly created file* or an error pointer.
- */
-struct file *anon_inode_getfile(const char *name,
-				const struct file_operations *fops,
-				void *priv, int flags)
-{
-	struct qstr this;
-	struct path path;
-	struct file *file;
-	int error;
-
-	if (IS_ERR(anon_inode_inode))
-		return ERR_PTR(-ENODEV);
-
-	if (fops->owner && !try_module_get(fops->owner))
-		return ERR_PTR(-ENOENT);
-
-	/*
-	 * Link the inode to a directory entry by creating a unique name
-	 * using the inode sequence number.
-	 */
-	error = -ENOMEM;
-	this.name = name;
-	this.len = strlen(name);
-	this.hash = 0;
-	path.dentry = d_alloc_pseudo(anon_inode_mnt->mnt_sb, &this);
-	if (!path.dentry)
-		goto err_module;
-
-	path.mnt = mntget(anon_inode_mnt);
-	/*
-	 * We know the anon_inode inode count is always greater than zero,
-	 * so ihold() is safe.
-	 */
-	ihold(anon_inode_inode);
-
-	d_instantiate(path.dentry, anon_inode_inode);
-
-	error = -ENFILE;
-	file = alloc_file(&path, OPEN_FMODE(flags), fops);
-	if (!file)
-		goto err_dput;
-	file->f_mapping = anon_inode_inode->i_mapping;
-
-	file->f_pos = 0;
-	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
-	file->f_version = 0;
-	file->private_data = priv;
-
-	return file;
-
-err_dput:
-	path_put(&path);
-err_module:
-	module_put(fops->owner);
-	return ERR_PTR(error);
-}
-EXPORT_SYMBOL_GPL(anon_inode_getfile);
-
-/**
- * anon_inode_getfd - creates a new file instance by hooking it up to an
- *                    anonymous inode, and a dentry that describe the "class"
- *                    of the file
- *
- * @name:    [in]    name of the "class" of the new file
- * @fops:    [in]    file operations for the new file
- * @priv:    [in]    private data for the new file (will be file's private_data)
- * @flags:   [in]    flags
- *
- * Creates a new file by hooking it on a single inode. This is useful for files
- * that do not need to have a full-fledged inode in order to operate correctly.
- * All the files created with anon_inode_getfd() will share a single inode,
- * hence saving memory and avoiding code duplication for the file/inode/dentry
- * setup.  Returns new descriptor or an error code.
- */
-int anon_inode_getfd(const char *name, const struct file_operations *fops,
-		     void *priv, int flags)
-{
-	int error, fd;
-	struct file *file;
-
-	error = get_unused_fd_flags(flags);
-	if (error < 0)
-		return error;
-	fd = error;
-
-	file = anon_inode_getfile(name, fops, priv, flags);
-	if (IS_ERR(file)) {
-		error = PTR_ERR(file);
-		goto err_put_unused_fd;
-	}
-	fd_install(fd, file);
-
-	return fd;
-
-err_put_unused_fd:
-	put_unused_fd(fd);
-	return error;
-}
-EXPORT_SYMBOL_GPL(anon_inode_getfd);
-
-static int __init anon_inode_init(void)
-{
-	int error;
-
-	error = register_filesystem(&anon_inode_fs_type);
-	if (error)
-		goto err_exit;
-	anon_inode_mnt = kern_mount(&anon_inode_fs_type);
-	if (IS_ERR(anon_inode_mnt)) {
-		error = PTR_ERR(anon_inode_mnt);
-		goto err_unregister_filesystem;
-	}
-	return 0;
-
-err_unregister_filesystem:
-	unregister_filesystem(&anon_inode_fs_type);
-err_exit:
-	panic(KERN_ERR "anon_inode_init() failed (%d)\n", error);
-}
-
-fs_initcall(anon_inode_init);
-