block: move policy from disk to part0
Move disk->policy to part0->policy. Implement and use get_disk_ro().
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index f16bb46..03c2cb6 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1113,7 +1113,7 @@
if (write) {
/* disk has become write protected */
- if (cd->disk->policy) {
+ if (get_disk_ro(cd->disk)) {
cdrom_end_request(drive, 0);
return ide_stopped;
}