1 files changed, 0 insertions, 142 deletions
diff --git a/fs/devpts/root.c b/fs/devpts/root.c
deleted file mode 100644
index 44e7bd7e3baa..000000000000
--- a/fs/devpts/root.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* -*- linux-c -*- --------------------------------------------------------- *
- *
- * linux/fs/devpts/root.c
- *
- *  Copyright 1998 H. Peter Anvin -- All Rights Reserved
- *
- * This file is part of the Linux kernel and is made available under
- * the terms of the GNU General Public License, version 2, or at your
- * option, any later version, incorporated herein by reference.
- *
- * ------------------------------------------------------------------------- */
-
-#include <linux/errno.h>
-#include <linux/stat.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/smp_lock.h>
-#include "devpts_i.h"
-
-static int devpts_root_readdir(struct file *,void *,filldir_t);
-static struct dentry *devpts_root_lookup(struct inode *,struct dentry *);
-static int devpts_revalidate(struct dentry *, int);
-
-struct file_operations devpts_root_operations = {
-	read:		generic_read_dir,
-	readdir:	devpts_root_readdir,
-};
-
-struct inode_operations devpts_root_inode_operations = {
-	lookup:		devpts_root_lookup,
-};
-
-static struct dentry_operations devpts_dentry_operations = {
-	d_revalidate:	devpts_revalidate,
-};
-
-/*
- * The normal naming convention is simply /dev/pts/<number>; this conforms
- * to the System V naming convention
- */
-
-#define genptsname(buf,num) sprintf(buf, "%d", num)
-
-static int devpts_root_readdir(struct file *filp, void *dirent, filldir_t filldir)
-{
-	struct inode * inode = filp->f_dentry->d_inode;
-	struct devpts_sb_info * sbi = SBI(filp->f_dentry->d_inode->i_sb);
-	off_t nr;
-	char numbuf[16];
-
-	lock_kernel();
-
-	nr = filp->f_pos;
-
-	switch(nr)
-	{
-	case 0:
-		if (filldir(dirent, ".", 1, nr, inode->i_ino, DT_DIR) < 0)
-			goto out;
-		filp->f_pos = ++nr;
-		/* fall through */
-	case 1:
-		if (filldir(dirent, "..", 2, nr, inode->i_ino, DT_DIR) < 0)
-			goto out;
-		filp->f_pos = ++nr;
-		/* fall through */
-	default:
-		while ( nr - 2 < sbi->max_ptys ) {
-			int ptynr = nr - 2;
-			if ( sbi->inodes[ptynr] ) {
-				genptsname(numbuf, ptynr);
-				if ( filldir(dirent, numbuf, strlen(numbuf), nr, nr, DT_CHR) < 0 )
-					goto out;
-			}
-			filp->f_pos = ++nr;
-		}
-		break;
-	}
-
-out:
-	unlock_kernel();
-	return 0;
-}
-
-/*
- * Revalidate is called on every cache lookup.  We use it to check that
- * the pty really does still exist.  Never revalidate negative dentries;
- * for simplicity (fix later?)
- */
-static int devpts_revalidate(struct dentry * dentry, int flags)
-{
-	struct devpts_sb_info *sbi;
-
-	if ( !dentry->d_inode )
-		return 0;
-
-	sbi = SBI(dentry->d_inode->i_sb);
-
-	return ( sbi->inodes[dentry->d_inode->i_ino - 2] == dentry->d_inode );
-}
-
-static struct dentry *devpts_root_lookup(struct inode * dir, struct dentry * dentry)
-{
-	struct devpts_sb_info *sbi = SBI(dir->i_sb);
-	unsigned int entry;
-	int i;
-	const char *p;
-
-	dentry->d_op    = &devpts_dentry_operations;
-
-	if ( dentry->d_name.len == 1 && dentry->d_name.name[0] == '0' ) {
-		entry = 0;
-	} else if ( dentry->d_name.len < 1 ) {
-		return NULL;
-	} else {
-		p = dentry->d_name.name;
-		if ( *p < '1' || *p > '9' )
-			return NULL;
-		entry = *p++ - '0';
-
-		for ( i = dentry->d_name.len-1 ; i ; i-- ) {
-			unsigned int nentry = *p++ - '0';
-			if ( nentry > 9 )
-				return NULL;
-			if ( entry >= ~0U/10 )
-				return NULL;
-			entry = nentry + entry * 10;
-		}
-	}
-
-	if ( entry >= sbi->max_ptys )
-		return NULL;
-
-	lock_kernel();
-	if ( sbi->inodes[entry] )
-		atomic_inc(&sbi->inodes[entry]->i_count);
-	
-	d_add(dentry, sbi->inodes[entry]);
-	unlock_kernel();
-
-	return NULL;
-}