no_comment

1 files changed, 39 insertions, 0 deletions

diff --git a/rescue/kernel_read_part.c b/rescue/kernel_read_part.c
new file mode 100644
index 000000000..4b9d16d65
--- /dev/null
+++ b/rescue/kernel_read_part.c
@@ -0,0 +1,39 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <sys/mount.h>
+#include <fcntl.h>
+
+
+void die(char *msg)
+{
+  perror(msg);
+  exit(1);
+}
+
+void kernel_read(char *dev)
+{
+  int fd;
+
+  sync();
+  if ((fd = open(dev, O_RDONLY)) == -1) die("can't open device");
+  sync(); 
+  sleep(1);
+  ioctl(fd, BLKRRPART, 0);
+  sync();
+  close(fd);
+  sync();
+}
+
+int main(int argc, char **argv) 
+{
+  if (argc != 2) {
+    fprintf(stderr, "usage: kernel_read_part <hard drive device>\n");
+    exit(1);
+  }
+  kernel_read(argv[1]);
+}