@@ -856,6 +856,14 @@ void start_tty(struct tty_struct *tty)
EXPORT_SYMBOL(start_tty);
+static void tty_update_time(struct timespec *time)
+{
+ unsigned long sec = get_seconds();
+ sec -= sec % 60;
+ if ((long)(sec - time->tv_sec) > 0)
+ time->tv_sec = sec;
+}
+
/**
* tty_read - read method for tty device files
* @file: pointer to tty file
@@ -895,6 +903,9 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
i = -EIO;
tty_ldisc_deref(ld);
+ if (i > 0)
+ tty_update_time(&inode->i_atime);
+
return i;
}
@@ -993,8 +1004,11 @@ static inline ssize_t do_tty_write(
break;
cond_resched();
}
- if (written)
+ if (written) {
+ struct inode *inode = file->f_path.dentry->d_inode;
+ tty_update_time(&inode->i_mtime);
ret = written;
+ }
out:
tty_write_unlock(tty);
return ret;