#include <linux/major.h>
#include <linux/errno.h>
#include <linux/tty.h>
-#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/mm.h>
#include <linux/init.h>
+#include <linux/mutex.h>
#include <linux/vt_kern.h>
#include <linux/selection.h>
#include <linux/kbd_kern.h>
#include <linux/console.h>
-#include <linux/smp_lock.h>
#include <linux/device.h>
+
#include <asm/uaccess.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
{
int size;
- down(&con_buf_sem);
- size = vcs_size(file->f_dentry->d_inode);
+ mutex_lock(&con_buf_mtx);
+ size = vcs_size(file->f_path.dentry->d_inode);
switch (orig) {
default:
- up(&con_buf_sem);
+ mutex_unlock(&con_buf_mtx);
return -EINVAL;
case 2:
offset += size;
break;
}
if (offset < 0 || offset > size) {
- up(&con_buf_sem);
+ mutex_unlock(&con_buf_mtx);
return -EINVAL;
}
file->f_pos = offset;
- up(&con_buf_sem);
+ mutex_unlock(&con_buf_mtx);
return file->f_pos;
}
static ssize_t
vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
unsigned int currcons = iminor(inode);
struct vc_data *vc;
long pos;
unsigned short *org = NULL;
ssize_t ret;
- down(&con_buf_sem);
+ mutex_lock(&con_buf_mtx);
pos = *ppos;
ret = read;
unlock_out:
release_console_sem();
- up(&con_buf_sem);
+ mutex_unlock(&con_buf_mtx);
return ret;
}
static ssize_t
vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
unsigned int currcons = iminor(inode);
struct vc_data *vc;
long pos;
u16 *org0 = NULL, *org = NULL;
size_t ret;
- down(&con_buf_sem);
+ mutex_lock(&con_buf_mtx);
pos = *ppos;
unlock_out:
release_console_sem();
- up(&con_buf_sem);
+ mutex_unlock(&con_buf_mtx);
return ret;
}
void vcs_make_sysfs(struct tty_struct *tty)
{
- class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1),
- NULL, "vcs%u", tty->index + 1);
- class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129),
- NULL, "vcsa%u", tty->index + 1);
+ device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1),
+ "vcs%u", tty->index + 1);
+ device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129),
+ "vcsa%u", tty->index + 1);
}
void vcs_remove_sysfs(struct tty_struct *tty)
{
- class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 1));
- class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 129));
+ device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 1));
+ device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 129));
}
int __init vcs_init(void)
panic("unable to get major %d for vcs device", VCS_MAJOR);
vc_class = class_create(THIS_MODULE, "vc");
- class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs");
- class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa");
+ device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), "vcs");
+ device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), "vcsa");
return 0;
}