uml: rename os_{read_write}_file_k back to os_{read_write}_file

Rename os_{read_write}_file_k back to os_{read_write}_file, delete
the originals and their bogus infrastructure, and fix all the callers.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/um/kernel/initrd.c

@@ -63,7 +63,7 @@ int load_initrd(char *filename, void *buf, int size)
 		printk("Opening '%s' failed - err = %d\n", filename, -fd);
 		return -1;
 	}
-	n = os_read_file_k(fd, buf, size);
+	n = os_read_file(fd, buf, size);
 	if(n != size){
 		printk("Read of %d bytes from '%s' failed, err = %d\n", size,
 		       filename, -n);

arch/um/kernel/ksyms.c

@@ -62,9 +62,7 @@ EXPORT_SYMBOL(os_get_exec_close);
 EXPORT_SYMBOL(os_set_exec_close);
 EXPORT_SYMBOL(os_getpid);
 EXPORT_SYMBOL(os_open_file);
-EXPORT_SYMBOL(os_read_file_k);
 EXPORT_SYMBOL(os_read_file);
-EXPORT_SYMBOL(os_write_file_k);
 EXPORT_SYMBOL(os_write_file);
 EXPORT_SYMBOL(os_seek_file);
 EXPORT_SYMBOL(os_lock_file);

arch/um/kernel/physmem.c

@@ -211,7 +211,7 @@ void physmem_forget_descriptor(int fd)
 			panic("physmem_forget_descriptor - failed to seek "
 			      "to %lld in fd %d, error = %d\n",
 			      offset, fd, -err);
-		err = os_read_file_k(fd, addr, PAGE_SIZE);
+		err = os_read_file(fd, addr, PAGE_SIZE);
 		if(err < 0)
 			panic("physmem_forget_descriptor - failed to read "
 			      "from fd %d to 0x%p, error = %d\n",
@@ -341,7 +341,7 @@ void setup_physmem(unsigned long start, unsigned long reserve_end,
 	 * from physmem_fd, so it needs to be written out there.
 	 */
 	os_seek_file(physmem_fd, __pa(&__syscall_stub_start));
-	os_write_file_k(physmem_fd, &__syscall_stub_start, PAGE_SIZE);
+	os_write_file(physmem_fd, &__syscall_stub_start, PAGE_SIZE);
 
 	bootmap_size = init_bootmem(pfn, pfn + delta);
 	free_bootmem(__pa(reserve_end) + bootmap_size,

arch/um/kernel/sigio.c

@@ -21,7 +21,7 @@ static irqreturn_t sigio_interrupt(int irq, void *data)
 {
 	char c;
 
-	os_read_file_k(sigio_irq_fd, &c, sizeof(c));
+	os_read_file(sigio_irq_fd, &c, sizeof(c));
 	reactivate_fd(sigio_irq_fd, SIGIO_WRITE_IRQ);
 	return IRQ_HANDLED;
 }

arch/um/kernel/smp.c

@@ -47,7 +47,7 @@ struct task_struct *idle_threads[NR_CPUS];
 
 void smp_send_reschedule(int cpu)
 {
-	os_write_file_k(cpu_data[cpu].ipi_pipe[1], "R", 1);
+	os_write_file(cpu_data[cpu].ipi_pipe[1], "R", 1);
 	num_reschedules_sent++;
 }
 
@@ -59,7 +59,7 @@ void smp_send_stop(void)
 	for(i = 0; i < num_online_cpus(); i++){
 		if(i == current_thread->cpu)
 			continue;
-		os_write_file_k(cpu_data[i].ipi_pipe[1], "S", 1);
+		os_write_file(cpu_data[i].ipi_pipe[1], "S", 1);
 	}
 	printk("done\n");
 }
@@ -108,8 +108,8 @@ static struct task_struct *idle_thread(int cpu)
 		          { .pid = 	new_task->thread.mode.tt.extern_pid,
 			    .task = 	new_task } );
 	idle_threads[cpu] = new_task;
-	CHOOSE_MODE(os_write_file_k(new_task->thread.mode.tt.switch_pipe[1], &c,
-				    sizeof(c)),
+	CHOOSE_MODE(os_write_file(new_task->thread.mode.tt.switch_pipe[1], &c,
+				  sizeof(c)),
 		    ({ panic("skas mode doesn't support SMP"); }));
 	return new_task;
 }
@@ -179,7 +179,7 @@ void IPI_handler(int cpu)
 	int fd;
 
 	fd = cpu_data[cpu].ipi_pipe[0];
-	while (os_read_file_k(fd, &c, 1) == 1) {
+	while (os_read_file(fd, &c, 1) == 1) {
 		switch (c) {
 		case 'C':
 			smp_call_function_slave(cpu);
@@ -239,7 +239,7 @@ int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic,
 	info = _info;
 
 	for_each_online_cpu(i)
-		os_write_file_k(cpu_data[i].ipi_pipe[1], "C", 1);
+		os_write_file(cpu_data[i].ipi_pipe[1], "C", 1);
 
 	while (atomic_read(&scf_started) != cpus)
 		barrier();

arch/um/kernel/tt/process_kern.c

@@ -57,14 +57,14 @@ void switch_to_tt(void *prev, void *next)
 	 * nor the value in "to" (since it was the task which stole us the CPU,
 	 * which we don't care about). */
 
-	err = os_write_file_k(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
+	err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
 	if(err != sizeof(c))
 		panic("write of switch_pipe failed, err = %d", -err);
 
 	if(from->thread.mode.tt.switch_pipe[0] == -1)
 		os_kill_process(os_getpid(), 0);
 
-	err = os_read_file_k(from->thread.mode.tt.switch_pipe[0], &c,
+	err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c,
 			     sizeof(c));
 	if(err != sizeof(c))
 		panic("read of switch_pipe failed, errno = %d", -err);
@@ -114,7 +114,7 @@ void suspend_new_thread(int fd)
 	char c;
 
 	os_stop_process(os_getpid());
-	err = os_read_file_k(fd, &c, sizeof(c));
+	err = os_read_file(fd, &c, sizeof(c));
 	if(err != sizeof(c))
 		panic("read failed in suspend_new_thread, err = %d", -err);
 }

arch/um/kernel/tt/ptproxy/proxy.c

@@ -338,14 +338,14 @@ int start_debugger(char *prog, int startup, int stop, int *fd_out)
 			       "err = %d\n", -fd);
 			exit(1);
 		}
-		os_write_file_k(fd, gdb_init_string,
-				sizeof(gdb_init_string) - 1);
+		os_write_file(fd, gdb_init_string,
+			      sizeof(gdb_init_string) - 1);
 		if(startup){
 			if(stop){
-				os_write_file_k(fd, "b start_kernel\n",
+				os_write_file(fd, "b start_kernel\n",
 						strlen("b start_kernel\n"));
 			}
-			os_write_file_k(fd, "c\n", strlen("c\n"));
+			os_write_file(fd, "c\n", strlen("c\n"));
 		}
 		if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0){
 			printk("start_debugger :  PTRACE_TRACEME failed, "

arch/um/kernel/tt/tracer.c

@@ -44,7 +44,7 @@ static void tracer_winch_handler(int sig)
 	int n;
 	char c = 1;
 
-	n = os_write_file_k(tracer_winch[1], &c, sizeof(c));
+	n = os_write_file(tracer_winch[1], &c, sizeof(c));
 	if(n != sizeof(c))
 		printk("tracer_winch_handler - write failed, err = %d\n", -n);
 }