1 files changed, 0 insertions, 503 deletions
diff --git a/ANDROID_3.4.5/fs/proc/inode.c b/ANDROID_3.4.5/fs/proc/inode.c
deleted file mode 100644
index 205c9228..00000000
--- a/ANDROID_3.4.5/fs/proc/inode.c
+++ /dev/null
@@ -1,503 +0,0 @@
-/*
- *  linux/fs/proc/inode.c
- *
- *  Copyright (C) 1991, 1992  Linus Torvalds
- */
-
-#include <linux/time.h>
-#include <linux/proc_fs.h>
-#include <linux/kernel.h>
-#include <linux/pid_namespace.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/stat.h>
-#include <linux/completion.h>
-#include <linux/poll.h>
-#include <linux/file.h>
-#include <linux/limits.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/sysctl.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/mount.h>
-
-#include <asm/uaccess.h>
-
-#include "internal.h"
-
-static void proc_evict_inode(struct inode *inode)
-{
-	struct proc_dir_entry *de;
-	struct ctl_table_header *head;
-	const struct proc_ns_operations *ns_ops;
-
-	truncate_inode_pages(&inode->i_data, 0);
-	end_writeback(inode);
-
-	/* Stop tracking associated processes */
-	put_pid(PROC_I(inode)->pid);
-
-	/* Let go of any associated proc directory entry */
-	de = PROC_I(inode)->pde;
-	if (de)
-		pde_put(de);
-	head = PROC_I(inode)->sysctl;
-	if (head) {
-		rcu_assign_pointer(PROC_I(inode)->sysctl, NULL);
-		sysctl_head_put(head);
-	}
-	/* Release any associated namespace */
-	ns_ops = PROC_I(inode)->ns_ops;
-	if (ns_ops && ns_ops->put)
-		ns_ops->put(PROC_I(inode)->ns);
-}
-
-static struct kmem_cache * proc_inode_cachep;
-
-static struct inode *proc_alloc_inode(struct super_block *sb)
-{
-	struct proc_inode *ei;
-	struct inode *inode;
-
-	ei = (struct proc_inode *)kmem_cache_alloc(proc_inode_cachep, GFP_KERNEL);
-	if (!ei)
-		return NULL;
-	ei->pid = NULL;
-	ei->fd = 0;
-	ei->op.proc_get_link = NULL;
-	ei->pde = NULL;
-	ei->sysctl = NULL;
-	ei->sysctl_entry = NULL;
-	ei->ns = NULL;
-	ei->ns_ops = NULL;
-	inode = &ei->vfs_inode;
-	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-	return inode;
-}
-
-static void proc_i_callback(struct rcu_head *head)
-{
-	struct inode *inode = container_of(head, struct inode, i_rcu);
-	kmem_cache_free(proc_inode_cachep, PROC_I(inode));
-}
-
-static void proc_destroy_inode(struct inode *inode)
-{
-	call_rcu(&inode->i_rcu, proc_i_callback);
-}
-
-static void init_once(void *foo)
-{
-	struct proc_inode *ei = (struct proc_inode *) foo;
-
-	inode_init_once(&ei->vfs_inode);
-}
-
-void __init proc_init_inodecache(void)
-{
-	proc_inode_cachep = kmem_cache_create("proc_inode_cache",
-					     sizeof(struct proc_inode),
-					     0, (SLAB_RECLAIM_ACCOUNT|
-						SLAB_MEM_SPREAD|SLAB_PANIC),
-					     init_once);
-}
-
-static int proc_show_options(struct seq_file *seq, struct dentry *root)
-{
-	struct super_block *sb = root->d_sb;
-	struct pid_namespace *pid = sb->s_fs_info;
-
-	if (pid->pid_gid)
-		seq_printf(seq, ",gid=%lu", (unsigned long)pid->pid_gid);
-	if (pid->hide_pid != 0)
-		seq_printf(seq, ",hidepid=%u", pid->hide_pid);
-
-	return 0;
-}
-
-static const struct super_operations proc_sops = {
-	.alloc_inode	= proc_alloc_inode,
-	.destroy_inode	= proc_destroy_inode,
-	.drop_inode	= generic_delete_inode,
-	.evict_inode	= proc_evict_inode,
-	.statfs		= simple_statfs,
-	.remount_fs	= proc_remount,
-	.show_options	= proc_show_options,
-};
-
-static void __pde_users_dec(struct proc_dir_entry *pde)
-{
-	pde->pde_users--;
-	if (pde->pde_unload_completion && pde->pde_users == 0)
-		complete(pde->pde_unload_completion);
-}
-
-void pde_users_dec(struct proc_dir_entry *pde)
-{
-	spin_lock(&pde->pde_unload_lock);
-	__pde_users_dec(pde);
-	spin_unlock(&pde->pde_unload_lock);
-}
-
-static loff_t proc_reg_llseek(struct file *file, loff_t offset, int whence)
-{
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-	loff_t rv = -EINVAL;
-	loff_t (*llseek)(struct file *, loff_t, int);
-
-	spin_lock(&pde->pde_unload_lock);
-	/*
-	 * remove_proc_entry() is going to delete PDE (as part of module
-	 * cleanup sequence). No new callers into module allowed.
-	 */
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	/*
-	 * Bump refcount so that remove_proc_entry will wail for ->llseek to
-	 * complete.
-	 */
-	pde->pde_users++;
-	/*
-	 * Save function pointer under lock, to protect against ->proc_fops
-	 * NULL'ifying right after ->pde_unload_lock is dropped.
-	 */
-	llseek = pde->proc_fops->llseek;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (!llseek)
-		llseek = default_llseek;
-	rv = llseek(file, offset, whence);
-
-	pde_users_dec(pde);
-	return rv;
-}
-
-static ssize_t proc_reg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-	ssize_t rv = -EIO;
-	ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
-
-	spin_lock(&pde->pde_unload_lock);
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	pde->pde_users++;
-	read = pde->proc_fops->read;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (read)
-		rv = read(file, buf, count, ppos);
-
-	pde_users_dec(pde);
-	return rv;
-}
-
-static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-	ssize_t rv = -EIO;
-	ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
-
-	spin_lock(&pde->pde_unload_lock);
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	pde->pde_users++;
-	write = pde->proc_fops->write;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (write)
-		rv = write(file, buf, count, ppos);
-
-	pde_users_dec(pde);
-	return rv;
-}
-
-static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts)
-{
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-	unsigned int rv = DEFAULT_POLLMASK;
-	unsigned int (*poll)(struct file *, struct poll_table_struct *);
-
-	spin_lock(&pde->pde_unload_lock);
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	pde->pde_users++;
-	poll = pde->proc_fops->poll;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (poll)
-		rv = poll(file, pts);
-
-	pde_users_dec(pde);
-	return rv;
-}
-
-static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-	long rv = -ENOTTY;
-	long (*ioctl)(struct file *, unsigned int, unsigned long);
-
-	spin_lock(&pde->pde_unload_lock);
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	pde->pde_users++;
-	ioctl = pde->proc_fops->unlocked_ioctl;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (ioctl)
-		rv = ioctl(file, cmd, arg);
-
-	pde_users_dec(pde);
-	return rv;
-}
-
-#ifdef CONFIG_COMPAT
-static long proc_reg_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-	long rv = -ENOTTY;
-	long (*compat_ioctl)(struct file *, unsigned int, unsigned long);
-
-	spin_lock(&pde->pde_unload_lock);
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	pde->pde_users++;
-	compat_ioctl = pde->proc_fops->compat_ioctl;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (compat_ioctl)
-		rv = compat_ioctl(file, cmd, arg);
-
-	pde_users_dec(pde);
-	return rv;
-}
-#endif
-
-static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-	int rv = -EIO;
-	int (*mmap)(struct file *, struct vm_area_struct *);
-
-	spin_lock(&pde->pde_unload_lock);
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	pde->pde_users++;
-	mmap = pde->proc_fops->mmap;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (mmap)
-		rv = mmap(file, vma);
-
-	pde_users_dec(pde);
-	return rv;
-}
-
-static int proc_reg_open(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *pde = PDE(inode);
-	int rv = 0;
-	int (*open)(struct inode *, struct file *);
-	int (*release)(struct inode *, struct file *);
-	struct pde_opener *pdeo;
-
-	/*
-	 * What for, you ask? Well, we can have open, rmmod, remove_proc_entry
-	 * sequence. ->release won't be called because ->proc_fops will be
-	 * cleared. Depending on complexity of ->release, consequences vary.
-	 *
-	 * We can't wait for mercy when close will be done for real, it's
-	 * deadlockable: rmmod foo </proc/foo . So, we're going to do ->release
-	 * by hand in remove_proc_entry(). For this, save opener's credentials
-	 * for later.
-	 */
-	pdeo = kmalloc(sizeof(struct pde_opener), GFP_KERNEL);
-	if (!pdeo)
-		return -ENOMEM;
-
-	spin_lock(&pde->pde_unload_lock);
-	if (!pde->proc_fops) {
-		spin_unlock(&pde->pde_unload_lock);
-		kfree(pdeo);
-		return -ENOENT;
-	}
-	pde->pde_users++;
-	open = pde->proc_fops->open;
-	release = pde->proc_fops->release;
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (open)
-		rv = open(inode, file);
-
-	spin_lock(&pde->pde_unload_lock);
-	if (rv == 0 && release) {
-		/* To know what to release. */
-		pdeo->inode = inode;
-		pdeo->file = file;
-		/* Strictly for "too late" ->release in proc_reg_release(). */
-		pdeo->release = release;
-		list_add(&pdeo->lh, &pde->pde_openers);
-	} else
-		kfree(pdeo);
-	__pde_users_dec(pde);
-	spin_unlock(&pde->pde_unload_lock);
-	return rv;
-}
-
-static struct pde_opener *find_pde_opener(struct proc_dir_entry *pde,
-					struct inode *inode, struct file *file)
-{
-	struct pde_opener *pdeo;
-
-	list_for_each_entry(pdeo, &pde->pde_openers, lh) {
-		if (pdeo->inode == inode && pdeo->file == file)
-			return pdeo;
-	}
-	return NULL;
-}
-
-static int proc_reg_release(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *pde = PDE(inode);
-	int rv = 0;
-	int (*release)(struct inode *, struct file *);
-	struct pde_opener *pdeo;
-
-	spin_lock(&pde->pde_unload_lock);
-	pdeo = find_pde_opener(pde, inode, file);
-	if (!pde->proc_fops) {
-		/*
-		 * Can't simply exit, __fput() will think that everything is OK,
-		 * and move on to freeing struct file. remove_proc_entry() will
-		 * find slacker in opener's list and will try to do non-trivial
-		 * things with struct file. Therefore, remove opener from list.
-		 *
-		 * But if opener is removed from list, who will ->release it?
-		 */
-		if (pdeo) {
-			list_del(&pdeo->lh);
-			spin_unlock(&pde->pde_unload_lock);
-			rv = pdeo->release(inode, file);
-			kfree(pdeo);
-		} else
-			spin_unlock(&pde->pde_unload_lock);
-		return rv;
-	}
-	pde->pde_users++;
-	release = pde->proc_fops->release;
-	if (pdeo) {
-		list_del(&pdeo->lh);
-		kfree(pdeo);
-	}
-	spin_unlock(&pde->pde_unload_lock);
-
-	if (release)
-		rv = release(inode, file);
-
-	pde_users_dec(pde);
-	return rv;
-}
-
-static const struct file_operations proc_reg_file_ops = {
-	.llseek		= proc_reg_llseek,
-	.read		= proc_reg_read,
-	.write		= proc_reg_write,
-	.poll		= proc_reg_poll,
-	.unlocked_ioctl	= proc_reg_unlocked_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl	= proc_reg_compat_ioctl,
-#endif
-	.mmap		= proc_reg_mmap,
-	.open		= proc_reg_open,
-	.release	= proc_reg_release,
-};
-
-#ifdef CONFIG_COMPAT
-static const struct file_operations proc_reg_file_ops_no_compat = {
-	.llseek		= proc_reg_llseek,
-	.read		= proc_reg_read,
-	.write		= proc_reg_write,
-	.poll		= proc_reg_poll,
-	.unlocked_ioctl	= proc_reg_unlocked_ioctl,
-	.mmap		= proc_reg_mmap,
-	.open		= proc_reg_open,
-	.release	= proc_reg_release,
-};
-#endif
-
-struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
-{
-	struct inode * inode;
-
-	inode = iget_locked(sb, de->low_ino);
-	if (!inode)
-		return NULL;
-	if (inode->i_state & I_NEW) {
-		inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-		PROC_I(inode)->fd = 0;
-		PROC_I(inode)->pde = de;
-
-		if (de->mode) {
-			inode->i_mode = de->mode;
-			inode->i_uid = de->uid;
-			inode->i_gid = de->gid;
-		}
-		if (de->size)
-			inode->i_size = de->size;
-		if (de->nlink)
-			set_nlink(inode, de->nlink);
-		if (de->proc_iops)
-			inode->i_op = de->proc_iops;
-		if (de->proc_fops) {
-			if (S_ISREG(inode->i_mode)) {
-#ifdef CONFIG_COMPAT
-				if (!de->proc_fops->compat_ioctl)
-					inode->i_fop =
-						&proc_reg_file_ops_no_compat;
-				else
-#endif
-					inode->i_fop = &proc_reg_file_ops;
-			} else {
-				inode->i_fop = de->proc_fops;
-			}
-		}
-		unlock_new_inode(inode);
-	} else
-	       pde_put(de);
-	return inode;
-}			
-
-int proc_fill_super(struct super_block *s)
-{
-	s->s_flags |= MS_NODIRATIME | MS_NOSUID | MS_NOEXEC;
-	s->s_blocksize = 1024;
-	s->s_blocksize_bits = 10;
-	s->s_magic = PROC_SUPER_MAGIC;
-	s->s_op = &proc_sops;
-	s->s_time_gran = 1;
-	
-	pde_get(&proc_root);
-	s->s_root = d_make_root(proc_get_inode(s, &proc_root));
-	if (s->s_root)
-		return 0;
-
-	printk("proc_read_super: get root inode failed\n");
-	pde_put(&proc_root);
-	return -ENOMEM;
-}