1.1 --- a/linux-2.6-xen-sparse/arch/xen/kernel/reboot.c	Mon Sep 19 14:47:56 2005 +0000
     1.2 +++ b/linux-2.6-xen-sparse/arch/xen/kernel/reboot.c	Mon Sep 19 16:02:32 2005 +0000
     1.3 @@ -334,7 +334,7 @@ static void shutdown_handler(struct xenb
     1.4  	return;
     1.5      }
     1.6  
     1.7 -    xenbus_write("control", "shutdown", "", O_CREAT);
     1.8 +    xenbus_write("control", "shutdown", "");
     1.9  
    1.10      err = xenbus_transaction_end(0);
    1.11      if (err == -ETIMEDOUT) {

     2.1 --- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c	Mon Sep 19 14:47:56 2005 +0000
     2.2 +++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c	Mon Sep 19 16:02:32 2005 +0000
     2.3 @@ -253,31 +253,19 @@ void *xenbus_read(const char *dir, const
     2.4  EXPORT_SYMBOL(xenbus_read);
     2.5  
     2.6  /* Write the value of a single file.
     2.7 - * Returns -err on failure.  createflags can be 0, O_CREAT, or O_CREAT|O_EXCL.
     2.8 + * Returns -err on failure.
     2.9   */
    2.10 -int xenbus_write(const char *dir, const char *node,
    2.11 -		 const char *string, int createflags)
    2.12 +int xenbus_write(const char *dir, const char *node, const char *string)
    2.13  {
    2.14 -	const char *flags, *path;
    2.15 -	struct kvec iovec[3];
    2.16 +	const char *path;
    2.17 +	struct kvec iovec[2];
    2.18  
    2.19  	path = join(dir, node);
    2.20 -	/* Format: Flags (as string), path, data. */
    2.21 -	if (createflags == 0)
    2.22 -		flags = XS_WRITE_NONE;
    2.23 -	else if (createflags == O_CREAT)
    2.24 -		flags = XS_WRITE_CREATE;
    2.25 -	else if (createflags == (O_CREAT|O_EXCL))
    2.26 -		flags = XS_WRITE_CREATE_EXCL;
    2.27 -	else
    2.28 -		return -EINVAL;
    2.29  
    2.30  	iovec[0].iov_base = (void *)path;
    2.31  	iovec[0].iov_len = strlen(path) + 1;
    2.32 -	iovec[1].iov_base = (void *)flags;
    2.33 -	iovec[1].iov_len = strlen(flags) + 1;
    2.34 -	iovec[2].iov_base = (void *)string;
    2.35 -	iovec[2].iov_len = strlen(string);
    2.36 +	iovec[1].iov_base = (void *)string;
    2.37 +	iovec[1].iov_len = strlen(string);
    2.38  
    2.39  	return xs_error(xs_talkv(XS_WRITE, iovec, ARRAY_SIZE(iovec), NULL));
    2.40  }
    2.41 @@ -357,7 +345,7 @@ int xenbus_printf(const char *dir, const
    2.42  	va_end(ap);
    2.43  
    2.44  	BUG_ON(ret > sizeof(printf_buffer)-1);
    2.45 -	return xenbus_write(dir, node, printf_buffer, O_CREAT);
    2.46 +	return xenbus_write(dir, node, printf_buffer);
    2.47  }
    2.48  EXPORT_SYMBOL(xenbus_printf);
    2.49  
    2.50 @@ -377,7 +365,7 @@ void xenbus_dev_error(struct xenbus_devi
    2.51  
    2.52  	BUG_ON(len + ret > sizeof(printf_buffer)-1);
    2.53  	dev->has_error = 1;
    2.54 -	if (xenbus_write(dev->nodename, "error", printf_buffer, O_CREAT) != 0)
    2.55 +	if (xenbus_write(dev->nodename, "error", printf_buffer) != 0)
    2.56  		printk("xenbus: failed to write error node for %s (%s)\n",
    2.57  		       dev->nodename, printf_buffer);
    2.58  }

     3.1 --- a/linux-2.6-xen-sparse/include/asm-xen/xenbus.h	Mon Sep 19 14:47:56 2005 +0000
     3.2 +++ b/linux-2.6-xen-sparse/include/asm-xen/xenbus.h	Mon Sep 19 16:02:32 2005 +0000
     3.3 @@ -83,8 +83,7 @@ extern struct semaphore xenbus_lock;
     3.4  
     3.5  char **xenbus_directory(const char *dir, const char *node, unsigned int *num);
     3.6  void *xenbus_read(const char *dir, const char *node, unsigned int *len);
     3.7 -int xenbus_write(const char *dir, const char *node,
     3.8 -		 const char *string, int createflags);
     3.9 +int xenbus_write(const char *dir, const char *node, const char *string);
    3.10  int xenbus_mkdir(const char *dir, const char *node);
    3.11  int xenbus_exists(const char *dir, const char *node);
    3.12  int xenbus_rm(const char *dir, const char *node);