block: kill GENHD_FL_FAIL and use part0->make_it_fail

GENHD_FL_FAIL for disk is what make_it_fail is for parts.  Kill it and
use part0->make_it_fail.  Sysfs node handling is unified too.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 45a3682b5d87..3d15b42dc352 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -112,7 +112,6 @@ struct hd_struct {
 #define GENHD_FL_CD                             8
 #define GENHD_FL_UP                             16
 #define GENHD_FL_SUPPRESS_PARTITION_INFO        32
-#define GENHD_FL_FAIL                           64
 
 struct gendisk {
         /* major, first_minor, minors and ext_minors are input
@@ -596,6 +595,13 @@ extern void blk_unregister_region(dev_t devt, unsigned long range);
 
 extern ssize_t part_size_show(struct device *dev,
                               struct device_attribute *attr, char *buf);
+#ifdef CONFIG_FAIL_MAKE_REQUEST
+extern ssize_t part_fail_show(struct device *dev,
+                              struct device_attribute *attr, char *buf);
+extern ssize_t part_fail_store(struct device *dev,
+                               struct device_attribute *attr,
+                               const char *buf, size_t count);
+#endif /* CONFIG_FAIL_MAKE_REQUEST */
 
 #else /* CONFIG_BLOCK */