[PATCH 1/4] UML - Move userspace code to userspace file

From: Jeff Dike
Date: Mon Jul 30 2007 - 13:11:14 EST


Move some code from a kernelspace file to a userspace file where it
fits better. This enables some tidying which is the subject of a
later patch.

Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
--
arch/um/drivers/chan_kern.c | 48 -------------------------------------------
arch/um/drivers/chan_user.c | 49 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 49 insertions(+), 48 deletions(-)

Index: linux-2.6.21-mm/arch/um/drivers/chan_kern.c
===================================================================
--- linux-2.6.21-mm.orig/arch/um/drivers/chan_kern.c 2007-07-27 11:34:20.000000000 -0400
+++ linux-2.6.21-mm/arch/um/drivers/chan_kern.c 2007-07-27 11:35:30.000000000 -0400
@@ -89,54 +89,6 @@ static const struct chan_ops not_configg
};
#endif /* CONFIG_NOCONFIG_CHAN */

-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_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;
Index: linux-2.6.21-mm/arch/um/drivers/chan_user.c
===================================================================
--- linux-2.6.21-mm.orig/arch/um/drivers/chan_user.c 2007-07-27 11:34:20.000000000 -0400
+++ linux-2.6.21-mm/arch/um/drivers/chan_user.c 2007-07-27 11:42:55.000000000 -0400
@@ -19,6 +19,55 @@
#include "os.h"
#include "choose-mode.h"
#include "mode.h"
+#include "um_malloc.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_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);
+}

int generic_console_write(int fd, const char *buf, int n)
{
-
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