[PATCH] uml: Remove an unused file

This removes a file which is no longer used.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/drivers/ubd_user.c

-/* 
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Copyright (C) 2001 Ridgerun,Inc (glonnon@ridgerun.com)
- * Licensed under the GPL
- */
-
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sched.h>
-#include <signal.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-#include <sys/mman.h>
-#include <sys/param.h>
-#include "asm/types.h"
-#include "user_util.h"
-#include "kern_util.h"
-#include "user.h"
-#include "ubd_user.h"
-#include "os.h"
-#include "cow.h"
-
-#include <endian.h>
-#include <byteswap.h>
-
-void ignore_sigwinch_sig(void)
-{
-	signal(SIGWINCH, SIG_IGN);
-}
-
-int start_io_thread(unsigned long sp, int *fd_out)
-{
-	int pid, fds[2], err;
-
-	err = os_pipe(fds, 1, 1);
-	if(err < 0){
-		printk("start_io_thread - os_pipe failed, err = %d\n", -err);
-		goto out;
-	}
-
-	kernel_fd = fds[0];
-	*fd_out = fds[1];
-
-	pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM | SIGCHLD,
-		    NULL);
-	if(pid < 0){
-		printk("start_io_thread - clone failed : errno = %d\n", errno);
-		err = -errno;
-		goto out_close;
-	}
-
-	return(pid);
-
- out_close:
-	os_close_file(fds[0]);
-	os_close_file(fds[1]);
-	kernel_fd = -1;
-	*fd_out = -1;
- out:
-	return(err);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */