md: remove some dead fields from mddev_s



These fields have never been used.
commit 4b6d287f
added them, but also added identical files to bitmap_super_s,
and only used the latter.

So remove these unused fields.

Signed-off-by: NeilBrown <neilb@suse.de>

parent 964147d5

drivers/md/md.h

+0 −3

Original line number	Diff line number	Diff line
		@@ -279,9 +279,6 @@ struct mddev_s
		atomic_t writes_pending;
		struct request_queue queue; / for plugging ... */

		atomic_t write_behind; /* outstanding async IO */
		unsigned int max_write_behind; /* 0 = sync */

		struct bitmap bitmap; / the bitmap for the device */
		struct {
		struct file file; / the bitmap file */