Import 2.1.45pre9

fs/inode.c

@@ -298,6 +298,7 @@ void clean_inode(struct inode *inode)
 	inode->i_op = NULL;
 	inode->i_nlink = 0;
 	inode->i_writecount = 0;
+	inode->i_size = 0;
 	memset(&inode->i_dquot, 0, sizeof(inode->i_dquot));
 	sema_init(&inode->i_sem, 1);
 }

fs/open.c

@@ -313,15 +313,12 @@ asmlinkage int sys_chdir(const char * filename)
 
 	lock_kernel();
 	
-	dentry = lookup_dentry(filename, NULL, 1);
+	dentry = namei(filename);
 	error = PTR_ERR(dentry);
 	if (IS_ERR(dentry))
 		goto out;
 
-	error = -ENOENT;
 	inode = dentry->d_inode;
-	if (!inode)
-		goto dput_and_out;
 
 	error = -ENOTDIR;
 	if (!S_ISDIR(inode->i_mode))
@@ -390,15 +387,12 @@ asmlinkage int sys_chroot(const char * filename)
 
 	lock_kernel();
 	
-	dentry = lookup_dentry(filename, NULL, 1);
+	dentry = namei(filename);
 	error = PTR_ERR(dentry);
 	if (IS_ERR(dentry))
 		goto out;
 
-	error = -ENOENT;
 	inode = dentry->d_inode;
-	if (!inode)
-		goto dput_and_out;
 
 	error = -ENOTDIR;
 	if (!S_ISDIR(inode->i_mode))

fs/super.c

@@ -728,16 +728,11 @@ int do_mount(kdev_t dev, const char * dev_name, const char * dir_name, const cha
 		return -EACCES;
 		/*flags |= MS_RDONLY;*/
 
-	dir_d = lookup_dentry(dir_name, NULL, 1);
+	dir_d = namei(dir_name);
 	error = PTR_ERR(dir_d);
 	if (IS_ERR(dir_d))
 		return error;
 
-	if (!dir_d->d_inode) {
-		dput(dir_d);
-		return -ENOENT;
-	}
-
 	if (dir_d->d_covers != dir_d) {
 		dput(dir_d);
 		return -EBUSY;