[PATCH] uml: Reduces code in *_user files, by moving it in _kern files if already possible.

Reduces code in *_user files, by moving it in _kern files if already possible.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade_spam@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/drivers/chan_kern.c

@@ -17,6 +17,7 @@
 #include "irq_user.h"
 #include "sigio.h"
 #include "line.h"
+#include "os.h"
 
 static void *not_configged_init(char *str, int device, struct chan_opts *opts)
 {
@@ -87,6 +88,52 @@ static struct chan_ops not_configged_ops = {
 	.winch		= 0,
 };
 
+void generic_close(int fd, void *unused)
+{
+	os_close_file(fd);
+}
+
+int generic_read(int fd, char *c_out, void *unused)
+{
+	int n;
+
+	n = os_read_file(fd, c_out, sizeof(*c_out));
+
+	if(n == -EAGAIN)
+		return(0);
+	else if(n == 0)
+		return(-EIO);
+	return(n);
+}
+
+int generic_write(int fd, const char *buf, int n, void *unused)
+{
+	return(os_write_file(fd, buf, n));
+}
+
+int generic_window_size(int fd, void *unused, unsigned short *rows_out,
+			unsigned short *cols_out)
+{
+	int rows, cols;
+	int ret;
+
+	ret = os_window_size(fd, &rows, &cols);
+	if(ret < 0)
+		return(ret);
+
+	ret = ((*rows_out != rows) || (*cols_out != cols));
+
+	*rows_out = rows;
+	*cols_out = cols;
+
+	return(ret);
+}
+
+void generic_free(void *data)
+{
+	kfree(data);
+}
+
 static void tty_receive_char(struct tty_struct *tty, char ch)
 {
 	if(tty == NULL) return;

arch/um/drivers/chan_user.c

@@ -21,31 +21,6 @@
 #include "choose-mode.h"
 #include "mode.h"
 
-void generic_close(int fd, void *unused)
-{
-	os_close_file(fd);
-}
-
-int generic_read(int fd, char *c_out, void *unused)
-{
-	int n;
-
-	n = os_read_file(fd, c_out, sizeof(*c_out));
-
-	if(n == -EAGAIN)
-		return(0);
-	else if(n == 0)
-		return(-EIO);
-	return(n);
-}
-
-/* XXX Trivial wrapper around os_write_file */
-
-int generic_write(int fd, const char *buf, int n, void *unused)
-{
-	return(os_write_file(fd, buf, n));
-}
-
 int generic_console_write(int fd, const char *buf, int n, void *unused)
 {
 	struct termios save, new;
@@ -62,29 +37,6 @@ int generic_console_write(int fd, const char *buf, int n, void *unused)
 	return(err);
 }
 
-int generic_window_size(int fd, void *unused, unsigned short *rows_out,
-			unsigned short *cols_out)
-{
-	int rows, cols;
-	int ret;
-
-	ret = os_window_size(fd, &rows, &cols);
-	if(ret < 0)
-		return(ret);
-
-	ret = ((*rows_out != rows) || (*cols_out != cols));
-
-	*rows_out = rows;
-	*cols_out = cols;
-
-	return(ret);
-}
-
-void generic_free(void *data)
-{
-	kfree(data);
-}
-
 static void winch_handler(int sig)
 {
 }