md: removing typedefs: mdk_rdev_t -> struct md_rdev

The typedefs are just annoying. 'mdk' probably refers to 'md_k.h'
which used to be an include file that defined this thing.

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

17 files changed, 219 insertions, 219 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index cd722b83a0c9..70e8736e3009 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -185,7 +185,7 @@ static struct page *read_sb_page(mddev_t *mddev, loff_t offset,
 {
 	/* choose a good rdev and read the page from there */
 
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	sector_t target;
 	int did_alloc = 0;
 
@@ -218,7 +218,7 @@ static struct page *read_sb_page(mddev_t *mddev, loff_t offset,
 
 }
 
-static mdk_rdev_t *next_active_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
+static struct md_rdev *next_active_rdev(struct md_rdev *rdev, mddev_t *mddev)
 {
 	/* Iterate the disks of an mddev, using rcu to protect access to the
 	 * linked list, and raising the refcount of devices we return to ensure
@@ -239,7 +239,7 @@ static mdk_rdev_t *next_active_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
 		pos = &rdev->same_set;
 	}
 	list_for_each_continue_rcu(pos, &mddev->disks) {
-		rdev = list_entry(pos, mdk_rdev_t, same_set);
+		rdev = list_entry(pos, struct md_rdev, same_set);
 		if (rdev->raid_disk >= 0 &&
 		    !test_bit(Faulty, &rdev->flags)) {
 			/* this is a usable devices */
@@ -254,7 +254,7 @@ static mdk_rdev_t *next_active_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
 
 static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
 {
-	mdk_rdev_t *rdev = NULL;
+	struct md_rdev *rdev = NULL;
 	struct block_device *bdev;
 	mddev_t *mddev = bitmap->mddev;
 
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index a002dd85db1e..a2213d5808f4 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -37,7 +37,7 @@ struct raid_dev {
 	 */
 	struct dm_dev *meta_dev;
 	struct dm_dev *data_dev;
-	struct mdk_rdev_s rdev;
+	struct md_rdev rdev;
 };
 
 /*
@@ -594,7 +594,7 @@ struct dm_raid_superblock {
 				/* Always set to 0 when writing. */
 } __packed;
 
-static int read_disk_sb(mdk_rdev_t *rdev, int size)
+static int read_disk_sb(struct md_rdev *rdev, int size)
 {
 	BUG_ON(!rdev->sb_page);
 
@@ -611,9 +611,9 @@ static int read_disk_sb(mdk_rdev_t *rdev, int size)
 	return 0;
 }
 
-static void super_sync(mddev_t *mddev, mdk_rdev_t *rdev)
+static void super_sync(mddev_t *mddev, struct md_rdev *rdev)
 {
-	mdk_rdev_t *r, *t;
+	struct md_rdev *r, *t;
 	uint64_t failed_devices;
 	struct dm_raid_superblock *sb;
 
@@ -651,7 +651,7 @@ static void super_sync(mddev_t *mddev, mdk_rdev_t *rdev)
  *
  * Return: 1 if use rdev, 0 if use refdev, -Exxx otherwise
  */
-static int super_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev)
+static int super_load(struct md_rdev *rdev, struct md_rdev *refdev)
 {
 	int ret;
 	struct dm_raid_superblock *sb;
@@ -689,7 +689,7 @@ static int super_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev)
 	return (events_sb > events_refsb) ? 1 : 0;
 }
 
-static int super_init_validation(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_init_validation(mddev_t *mddev, struct md_rdev *rdev)
 {
 	int role;
 	struct raid_set *rs = container_of(mddev, struct raid_set, md);
@@ -698,7 +698,7 @@ static int super_init_validation(mddev_t *mddev, mdk_rdev_t *rdev)
 	struct dm_raid_superblock *sb;
 	uint32_t new_devs = 0;
 	uint32_t rebuilds = 0;
-	mdk_rdev_t *r, *t;
+	struct md_rdev *r, *t;
 	struct dm_raid_superblock *sb2;
 
 	sb = page_address(rdev->sb_page);
@@ -809,7 +809,7 @@ static int super_init_validation(mddev_t *mddev, mdk_rdev_t *rdev)
 	return 0;
 }
 
-static int super_validate(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_validate(mddev_t *mddev, struct md_rdev *rdev)
 {
 	struct dm_raid_superblock *sb = page_address(rdev->sb_page);
 
@@ -849,7 +849,7 @@ static int super_validate(mddev_t *mddev, mdk_rdev_t *rdev)
 static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
 {
 	int ret;
-	mdk_rdev_t *rdev, *freshest, *tmp;
+	struct md_rdev *rdev, *freshest, *tmp;
 	mddev_t *mddev = &rs->md;
 
 	freshest = NULL;
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 23078dabb6df..a0fa5a01ee2f 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -87,7 +87,7 @@ typedef struct faulty_conf {
 	sector_t faults[MaxFault];
 	int	modes[MaxFault];
 	int nfaults;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 } conf_t;
 
 static int check_mode(conf_t *conf, int mode)
@@ -297,7 +297,7 @@ static sector_t faulty_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 
 static int run(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int i;
 	conf_t *conf;
 
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 6cd2c313e800..0b5cac0fda1a 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -126,7 +126,7 @@ static sector_t linear_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
 {
 	linear_conf_t *conf;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int i, cnt;
 
 	conf = kzalloc (sizeof (*conf) + raid_disks*sizeof(dev_info_t),
@@ -213,7 +213,7 @@ static int linear_run (mddev_t *mddev)
 	return md_integrity_register(mddev);
 }
 
-static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
+static int linear_add(mddev_t *mddev, struct md_rdev *rdev)
 {
 	/* Adding a drive to a linear array allows the array to grow.
 	 * It is permitted if the new drive has a matching superblock
diff --git a/drivers/md/linear.h b/drivers/md/linear.h
index 2f2da05b2ce9..367967a53009 100644
--- a/drivers/md/linear.h
+++ b/drivers/md/linear.h
@@ -2,7 +2,7 @@
 #define _LINEAR_H
 
 struct dev_info {
-	mdk_rdev_t	*rdev;
+	struct md_rdev	*rdev;
 	sector_t	end_sector;
 };
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index ca4c283cf462..e015f403d69e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -420,7 +420,7 @@ EXPORT_SYMBOL(mddev_congested);
 
 static void md_end_flush(struct bio *bio, int err)
 {
-	mdk_rdev_t *rdev = bio->bi_private;
+	struct md_rdev *rdev = bio->bi_private;
 	mddev_t *mddev = rdev->mddev;
 
 	rdev_dec_pending(rdev, mddev);
@@ -437,7 +437,7 @@ static void md_submit_flush_data(struct work_struct *ws);
 static void submit_flushes(struct work_struct *ws)
 {
 	mddev_t *mddev = container_of(ws, mddev_t, flush_work);
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	INIT_WORK(&mddev->flush_work, md_submit_flush_data);
 	atomic_set(&mddev->flush_pending, 1);
@@ -749,9 +749,9 @@ static void mddev_unlock(mddev_t * mddev)
 	spin_unlock(&pers_lock);
 }
 
-static mdk_rdev_t * find_rdev_nr(mddev_t *mddev, int nr)
+static struct md_rdev * find_rdev_nr(mddev_t *mddev, int nr)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	list_for_each_entry(rdev, &mddev->disks, same_set)
 		if (rdev->desc_nr == nr)
@@ -760,9 +760,9 @@ static mdk_rdev_t * find_rdev_nr(mddev_t *mddev, int nr)
 	return NULL;
 }
 
-static mdk_rdev_t * find_rdev(mddev_t * mddev, dev_t dev)
+static struct md_rdev * find_rdev(mddev_t * mddev, dev_t dev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	list_for_each_entry(rdev, &mddev->disks, same_set)
 		if (rdev->bdev->bd_dev == dev)
@@ -784,13 +784,13 @@ static struct mdk_personality *find_pers(int level, char *clevel)
 }
 
 /* return the offset of the super block in 512byte sectors */
-static inline sector_t calc_dev_sboffset(mdk_rdev_t *rdev)
+static inline sector_t calc_dev_sboffset(struct md_rdev *rdev)
 {
 	sector_t num_sectors = i_size_read(rdev->bdev->bd_inode) / 512;
 	return MD_NEW_SIZE_SECTORS(num_sectors);
 }
 
-static int alloc_disk_sb(mdk_rdev_t * rdev)
+static int alloc_disk_sb(struct md_rdev * rdev)
 {
 	if (rdev->sb_page)
 		MD_BUG();
@@ -804,7 +804,7 @@ static int alloc_disk_sb(mdk_rdev_t * rdev)
 	return 0;
 }
 
-static void free_disk_sb(mdk_rdev_t * rdev)
+static void free_disk_sb(struct md_rdev * rdev)
 {
 	if (rdev->sb_page) {
 		put_page(rdev->sb_page);
@@ -822,7 +822,7 @@ static void free_disk_sb(mdk_rdev_t * rdev)
 
 static void super_written(struct bio *bio, int error)
 {
-	mdk_rdev_t *rdev = bio->bi_private;
+	struct md_rdev *rdev = bio->bi_private;
 	mddev_t *mddev = rdev->mddev;
 
 	if (error || !test_bit(BIO_UPTODATE, &bio->bi_flags)) {
@@ -837,7 +837,7 @@ static void super_written(struct bio *bio, int error)
 	bio_put(bio);
 }
 
-void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
+void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
 		   sector_t sector, int size, struct page *page)
 {
 	/* write first size bytes of page to sector of rdev
@@ -876,7 +876,7 @@ static void bi_complete(struct bio *bio, int error)
 	complete((struct completion*)bio->bi_private);
 }
 
-int sync_page_io(mdk_rdev_t *rdev, sector_t sector, int size,
+int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
 		 struct page *page, int rw, bool metadata_op)
 {
 	struct bio *bio = bio_alloc_mddev(GFP_NOIO, 1, rdev->mddev);
@@ -904,7 +904,7 @@ int sync_page_io(mdk_rdev_t *rdev, sector_t sector, int size,
 }
 EXPORT_SYMBOL_GPL(sync_page_io);
 
-static int read_disk_sb(mdk_rdev_t * rdev, int size)
+static int read_disk_sb(struct md_rdev * rdev, int size)
 {
 	char b[BDEVNAME_SIZE];
 	if (!rdev->sb_page) {
@@ -1011,7 +1011,7 @@ static unsigned int calc_sb_csum(mdp_super_t * sb)
  * We rely on user-space to write the initial superblock, and support
  * reading and updating of superblocks.
  * Interface methods are:
- *   int load_super(mdk_rdev_t *dev, mdk_rdev_t *refdev, int minor_version)
+ *   int load_super(struct md_rdev *dev, struct md_rdev *refdev, int minor_version)
  *      loads and validates a superblock on dev.
  *      if refdev != NULL, compare superblocks on both devices
  *    Return:
@@ -1021,13 +1021,13 @@ static unsigned int calc_sb_csum(mdp_super_t * sb)
  *     -EINVAL superblock incompatible or invalid
  *     -othererror e.g. -EIO
  *
- *   int validate_super(mddev_t *mddev, mdk_rdev_t *dev)
+ *   int validate_super(mddev_t *mddev, struct md_rdev *dev)
  *      Verify that dev is acceptable into mddev.
  *       The first time, mddev->raid_disks will be 0, and data from
  *       dev should be merged in.  Subsequent calls check that dev
  *       is new enough.  Return 0 or -EINVAL
  *
- *   void sync_super(mddev_t *mddev, mdk_rdev_t *dev)
+ *   void sync_super(mddev_t *mddev, struct md_rdev *dev)
  *     Update the superblock for rdev with data in mddev
  *     This does not write to disc.
  *
@@ -1036,11 +1036,11 @@ static unsigned int calc_sb_csum(mdp_super_t * sb)
 struct super_type  {
 	char		    *name;
 	struct module	    *owner;
-	int		    (*load_super)(mdk_rdev_t *rdev, mdk_rdev_t *refdev,
+	int		    (*load_super)(struct md_rdev *rdev, struct md_rdev *refdev,
 					  int minor_version);
-	int		    (*validate_super)(mddev_t *mddev, mdk_rdev_t *rdev);
-	void		    (*sync_super)(mddev_t *mddev, mdk_rdev_t *rdev);
-	unsigned long long  (*rdev_size_change)(mdk_rdev_t *rdev,
+	int		    (*validate_super)(mddev_t *mddev, struct md_rdev *rdev);
+	void		    (*sync_super)(mddev_t *mddev, struct md_rdev *rdev);
+	unsigned long long  (*rdev_size_change)(struct md_rdev *rdev,
 						sector_t num_sectors);
 };
 
@@ -1065,7 +1065,7 @@ EXPORT_SYMBOL(md_check_no_bitmap);
 /*
  * load_super for 0.90.0 
  */
-static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
+static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_version)
 {
 	char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
 	mdp_super_t *sb;
@@ -1160,7 +1160,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version
 /*
  * validate_super for 0.90.0
  */
-static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_90_validate(mddev_t *mddev, struct md_rdev *rdev)
 {
 	mdp_disk_t *desc;
 	mdp_super_t *sb = page_address(rdev->sb_page);
@@ -1272,10 +1272,10 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
 /*
  * sync_super for 0.90.0
  */
-static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev)
+static void super_90_sync(mddev_t *mddev, struct md_rdev *rdev)
 {
 	mdp_super_t *sb;
-	mdk_rdev_t *rdev2;
+	struct md_rdev *rdev2;
 	int next_spare = mddev->raid_disks;
 
 
@@ -1416,7 +1416,7 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev)
  * rdev_size_change for 0.90.0
  */
 static unsigned long long
-super_90_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
+super_90_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
 {
 	if (num_sectors && num_sectors < rdev->mddev->dev_sectors)
 		return 0; /* component must fit device */
@@ -1466,7 +1466,7 @@ static __le32 calc_sb_1_csum(struct mdp_superblock_1 * sb)
 
 static int md_set_badblocks(struct badblocks *bb, sector_t s, int sectors,
 			    int acknowledged);
-static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
+static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_version)
 {
 	struct mdp_superblock_1 *sb;
 	int ret;
@@ -1622,7 +1622,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
 	return ret;
 }
 
-static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_1_validate(mddev_t *mddev, struct md_rdev *rdev)
 {
 	struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
 	__u64 ev1 = le64_to_cpu(sb->events);
@@ -1723,10 +1723,10 @@ static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
 	return 0;
 }
 
-static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
+static void super_1_sync(mddev_t *mddev, struct md_rdev *rdev)
 {
 	struct mdp_superblock_1 *sb;
-	mdk_rdev_t *rdev2;
+	struct md_rdev *rdev2;
 	int max_dev, i;
 	/* make rdev->sb match mddev and rdev data. */
 
@@ -1848,7 +1848,7 @@ retry:
 }
 
 static unsigned long long
-super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
+super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
 {
 	struct mdp_superblock_1 *sb;
 	sector_t max_sectors;
@@ -1902,7 +1902,7 @@ static struct super_type super_types[] = {
 	},
 };
 
-static void sync_super(mddev_t *mddev, mdk_rdev_t *rdev)
+static void sync_super(mddev_t *mddev, struct md_rdev *rdev)
 {
 	if (mddev->sync_super) {
 		mddev->sync_super(mddev, rdev);
@@ -1916,7 +1916,7 @@ static void sync_super(mddev_t *mddev, mdk_rdev_t *rdev)
 
 static int match_mddev_units(mddev_t *mddev1, mddev_t *mddev2)
 {
-	mdk_rdev_t *rdev, *rdev2;
+	struct md_rdev *rdev, *rdev2;
 
 	rcu_read_lock();
 	rdev_for_each_rcu(rdev, mddev1)
@@ -1941,7 +1941,7 @@ static LIST_HEAD(pending_raid_disks);
  */
 int md_integrity_register(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev, *reference = NULL;
+	struct md_rdev *rdev, *reference = NULL;
 
 	if (list_empty(&mddev->disks))
 		return 0; /* nothing to do */
@@ -1986,7 +1986,7 @@ int md_integrity_register(mddev_t *mddev)
 EXPORT_SYMBOL(md_integrity_register);
 
 /* Disable data integrity if non-capable/non-matching disk is being added */
-void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
+void md_integrity_add_rdev(struct md_rdev *rdev, mddev_t *mddev)
 {
 	struct blk_integrity *bi_rdev = bdev_get_integrity(rdev->bdev);
 	struct blk_integrity *bi_mddev = blk_get_integrity(mddev->gendisk);
@@ -2003,7 +2003,7 @@ void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
 }
 EXPORT_SYMBOL(md_integrity_add_rdev);
 
-static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
+static int bind_rdev_to_array(struct md_rdev * rdev, mddev_t * mddev)
 {
 	char b[BDEVNAME_SIZE];
 	struct kobject *ko;
@@ -2083,12 +2083,12 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev)
 
 static void md_delayed_delete(struct work_struct *ws)
 {
-	mdk_rdev_t *rdev = container_of(ws, mdk_rdev_t, del_work);
+	struct md_rdev *rdev = container_of(ws, struct md_rdev, del_work);
 	kobject_del(&rdev->kobj);
 	kobject_put(&rdev->kobj);
 }
 
-static void unbind_rdev_from_array(mdk_rdev_t * rdev)
+static void unbind_rdev_from_array(struct md_rdev * rdev)
 {
 	char b[BDEVNAME_SIZE];
 	if (!rdev->mddev) {
@@ -2120,14 +2120,14 @@ static void unbind_rdev_from_array(mdk_rdev_t * rdev)
  * otherwise reused by a RAID array (or any other kernel
  * subsystem), by bd_claiming the device.
  */
-static int lock_rdev(mdk_rdev_t *rdev, dev_t dev, int shared)
+static int lock_rdev(struct md_rdev *rdev, dev_t dev, int shared)
 {
 	int err = 0;
 	struct block_device *bdev;
 	char b[BDEVNAME_SIZE];
 
 	bdev = blkdev_get_by_dev(dev, FMODE_READ|FMODE_WRITE|FMODE_EXCL,
-				 shared ? (mdk_rdev_t *)lock_rdev : rdev);
+				 shared ? (struct md_rdev *)lock_rdev : rdev);
 	if (IS_ERR(bdev)) {
 		printk(KERN_ERR "md: could not open %s.\n",
 			__bdevname(dev, b));
@@ -2137,7 +2137,7 @@ static int lock_rdev(mdk_rdev_t *rdev, dev_t dev, int shared)
 	return err;
 }
 
-static void unlock_rdev(mdk_rdev_t *rdev)
+static void unlock_rdev(struct md_rdev *rdev)
 {
 	struct block_device *bdev = rdev->bdev;
 	rdev->bdev = NULL;
@@ -2148,7 +2148,7 @@ static void unlock_rdev(mdk_rdev_t *rdev)
 
 void md_autodetect_dev(dev_t dev);
 
-static void export_rdev(mdk_rdev_t * rdev)
+static void export_rdev(struct md_rdev * rdev)
 {
 	char b[BDEVNAME_SIZE];
 	printk(KERN_INFO "md: export_rdev(%s)\n",
@@ -2164,7 +2164,7 @@ static void export_rdev(mdk_rdev_t * rdev)
 	kobject_put(&rdev->kobj);
 }
 
-static void kick_rdev_from_array(mdk_rdev_t * rdev)
+static void kick_rdev_from_array(struct md_rdev * rdev)
 {
 	unbind_rdev_from_array(rdev);
 	export_rdev(rdev);
@@ -2172,7 +2172,7 @@ static void kick_rdev_from_array(mdk_rdev_t * rdev)
 
 static void export_array(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev, *tmp;
+	struct md_rdev *rdev, *tmp;
 
 	rdev_for_each(rdev, tmp, mddev) {
 		if (!rdev->mddev) {
@@ -2268,7 +2268,7 @@ static void print_sb_1(struct mdp_superblock_1 *sb)
 		);
 }
 
-static void print_rdev(mdk_rdev_t *rdev, int major_version)
+static void print_rdev(struct md_rdev *rdev, int major_version)
 {
 	char b[BDEVNAME_SIZE];
 	printk(KERN_INFO "md: rdev %s, Sect:%08llu F:%d S:%d DN:%u\n",
@@ -2292,7 +2292,7 @@ static void print_rdev(mdk_rdev_t *rdev, int major_version)
 static void md_print_devices(void)
 {
 	struct list_head *tmp;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	mddev_t *mddev;
 	char b[BDEVNAME_SIZE];
 
@@ -2326,7 +2326,7 @@ static void sync_sbs(mddev_t * mddev, int nospares)
 	 * (which would mean they aren't being marked as dirty
 	 * with the rest of the array)
 	 */
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	list_for_each_entry(rdev, &mddev->disks, same_set) {
 		if (rdev->sb_events == mddev->events ||
 		    (nospares &&
@@ -2343,7 +2343,7 @@ static void sync_sbs(mddev_t * mddev, int nospares)
 
 static void md_update_sb(mddev_t * mddev, int force_change)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int sync_req;
 	int nospares = 0;
 	int any_badblocks_changed = 0;
@@ -2521,12 +2521,12 @@ static int cmd_match(const char *cmd, const char *str)
 
 struct rdev_sysfs_entry {
 	struct attribute attr;
-	ssize_t (*show)(mdk_rdev_t *, char *);
-	ssize_t (*store)(mdk_rdev_t *, const char *, size_t);
+	ssize_t (*show)(struct md_rdev *, char *);
+	ssize_t (*store)(struct md_rdev *, const char *, size_t);
 };
 
 static ssize_t
-state_show(mdk_rdev_t *rdev, char *page)
+state_show(struct md_rdev *rdev, char *page)
 {
 	char *sep = "";
 	size_t len = 0;
@@ -2562,7 +2562,7 @@ state_show(mdk_rdev_t *rdev, char *page)
 }
 
 static ssize_t
-state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+state_store(struct md_rdev *rdev, const char *buf, size_t len)
 {
 	/* can write
 	 *  faulty  - simulates an error
@@ -2635,13 +2635,13 @@ static struct rdev_sysfs_entry rdev_state =
 __ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store);
 
 static ssize_t
-errors_show(mdk_rdev_t *rdev, char *page)
+errors_show(struct md_rdev *rdev, char *page)
 {
 	return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors));
 }
 
 static ssize_t
-errors_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+errors_store(struct md_rdev *rdev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long n = simple_strtoul(buf, &e, 10);
@@ -2655,7 +2655,7 @@ static struct rdev_sysfs_entry rdev_errors =
 __ATTR(errors, S_IRUGO|S_IWUSR, errors_show, errors_store);
 
 static ssize_t
-slot_show(mdk_rdev_t *rdev, char *page)
+slot_show(struct md_rdev *rdev, char *page)
 {
 	if (rdev->raid_disk < 0)
 		return sprintf(page, "none\n");
@@ -2664,7 +2664,7 @@ slot_show(mdk_rdev_t *rdev, char *page)
 }
 
 static ssize_t
-slot_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+slot_store(struct md_rdev *rdev, const char *buf, size_t len)
 {
 	char *e;
 	int err;
@@ -2695,7 +2695,7 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len)
 		set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery);
 		md_wakeup_thread(rdev->mddev->thread);
 	} else if (rdev->mddev->pers) {
-		mdk_rdev_t *rdev2;
+		struct md_rdev *rdev2;
 		/* Activating a spare .. or possibly reactivating
 		 * if we ever get bitmaps working here.
 		 */
@@ -2751,13 +2751,13 @@ static struct rdev_sysfs_entry rdev_slot =
 __ATTR(slot, S_IRUGO|S_IWUSR, slot_show, slot_store);
 
 static ssize_t
-offset_show(mdk_rdev_t *rdev, char *page)
+offset_show(struct md_rdev *rdev, char *page)
 {
 	return sprintf(page, "%llu\n", (unsigned long long)rdev->data_offset);
 }
 
 static ssize_t
-offset_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+offset_store(struct md_rdev *rdev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long long offset = simple_strtoull(buf, &e, 10);
@@ -2777,7 +2777,7 @@ static struct rdev_sysfs_entry rdev_offset =
 __ATTR(offset, S_IRUGO|S_IWUSR, offset_show, offset_store);
 
 static ssize_t
-rdev_size_show(mdk_rdev_t *rdev, char *page)
+rdev_size_show(struct md_rdev *rdev, char *page)
 {
 	return sprintf(page, "%llu\n", (unsigned long long)rdev->sectors / 2);
 }
@@ -2812,7 +2812,7 @@ static int strict_blocks_to_sectors(const char *buf, sector_t *sectors)
 }
 
 static ssize_t
-rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+rdev_size_store(struct md_rdev *rdev, const char *buf, size_t len)
 {
 	mddev_t *my_mddev = rdev->mddev;
 	sector_t oldsectors = rdev->sectors;
@@ -2846,7 +2846,7 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len)
 
 		mddev_unlock(my_mddev);
 		for_each_mddev(mddev, tmp) {
-			mdk_rdev_t *rdev2;
+			struct md_rdev *rdev2;
 
 			mddev_lock(mddev);
 			list_for_each_entry(rdev2, &mddev->disks, same_set)
@@ -2883,7 +2883,7 @@ static struct rdev_sysfs_entry rdev_size =
 __ATTR(size, S_IRUGO|S_IWUSR, rdev_size_show, rdev_size_store);
 
 
-static ssize_t recovery_start_show(mdk_rdev_t *rdev, char *page)
+static ssize_t recovery_start_show(struct md_rdev *rdev, char *page)
 {
 	unsigned long long recovery_start = rdev->recovery_offset;
 
@@ -2894,7 +2894,7 @@ static ssize_t recovery_start_show(mdk_rdev_t *rdev, char *page)
 	return sprintf(page, "%llu\n", recovery_start);
 }
 
-static ssize_t recovery_start_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+static ssize_t recovery_start_store(struct md_rdev *rdev, const char *buf, size_t len)
 {
 	unsigned long long recovery_start;
 
@@ -2924,11 +2924,11 @@ badblocks_show(struct badblocks *bb, char *page, int unack);
 static ssize_t
 badblocks_store(struct badblocks *bb, const char *page, size_t len, int unack);
 
-static ssize_t bb_show(mdk_rdev_t *rdev, char *page)
+static ssize_t bb_show(struct md_rdev *rdev, char *page)
 {
 	return badblocks_show(&rdev->badblocks, page, 0);
 }
-static ssize_t bb_store(mdk_rdev_t *rdev, const char *page, size_t len)
+static ssize_t bb_store(struct md_rdev *rdev, const char *page, size_t len)
 {
 	int rv = badblocks_store(&rdev->badblocks, page, len, 0);
 	/* Maybe that ack was all we needed */
@@ -2940,11 +2940,11 @@ static struct rdev_sysfs_entry rdev_bad_blocks =
 __ATTR(bad_blocks, S_IRUGO|S_IWUSR, bb_show, bb_store);
 
 
-static ssize_t ubb_show(mdk_rdev_t *rdev, char *page)
+static ssize_t ubb_show(struct md_rdev *rdev, char *page)
 {
 	return badblocks_show(&rdev->badblocks, page, 1);
 }
-static ssize_t ubb_store(mdk_rdev_t *rdev, const char *page, size_t len)
+static ssize_t ubb_store(struct md_rdev *rdev, const char *page, size_t len)
 {
 	return badblocks_store(&rdev->badblocks, page, len, 1);
 }
@@ -2966,7 +2966,7 @@ static ssize_t
 rdev_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 {
 	struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
-	mdk_rdev_t *rdev = container_of(kobj, mdk_rdev_t, kobj);
+	struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
 	mddev_t *mddev = rdev->mddev;
 	ssize_t rv;
 
@@ -2989,7 +2989,7 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr,
 	      const char *page, size_t length)
 {
 	struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
-	mdk_rdev_t *rdev = container_of(kobj, mdk_rdev_t, kobj);
+	struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
 	ssize_t rv;
 	mddev_t *mddev = rdev->mddev;
 
@@ -3010,7 +3010,7 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr,
 
 static void rdev_free(struct kobject *ko)
 {
-	mdk_rdev_t *rdev = container_of(ko, mdk_rdev_t, kobj);
+	struct md_rdev *rdev = container_of(ko, struct md_rdev, kobj);
 	kfree(rdev);
 }
 static const struct sysfs_ops rdev_sysfs_ops = {
@@ -3023,7 +3023,7 @@ static struct kobj_type rdev_ktype = {
 	.default_attrs	= rdev_default_attrs,
 };
 
-int md_rdev_init(mdk_rdev_t *rdev)
+int md_rdev_init(struct md_rdev *rdev)
 {
 	rdev->desc_nr = -1;
 	rdev->saved_raid_disk = -1;
@@ -3066,11 +3066,11 @@ EXPORT_SYMBOL_GPL(md_rdev_init);
  *
  * a faulty rdev _never_ has rdev->sb set.
  */
-static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_minor)
+static struct md_rdev *md_import_device(dev_t newdev, int super_format, int super_minor)
 {
 	char b[BDEVNAME_SIZE];
 	int err;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	sector_t size;
 
 	rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
@@ -3142,7 +3142,7 @@ abort_free:
 static void analyze_sbs(mddev_t * mddev)
 {
 	int i;
-	mdk_rdev_t *rdev, *freshest, *tmp;
+	struct md_rdev *rdev, *freshest, *tmp;
 	char b[BDEVNAME_SIZE];
 
 	freshest = NULL;
@@ -3291,7 +3291,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
 	struct mdk_personality *pers;
 	long level;
 	void *priv;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	if (mddev->pers == NULL) {
 		if (len == 0)
@@ -3836,7 +3836,7 @@ new_dev_store(mddev_t *mddev, const char *buf, size_t len)
 	int major = simple_strtoul(buf, &e, 10);
 	int minor;
 	dev_t dev;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int err;
 
 	if (!*buf || *e != ':' || !e[1] || e[1] == '\n')
@@ -3854,8 +3854,9 @@ new_dev_store(mddev_t *mddev, const char *buf, size_t len)
 		rdev = md_import_device(dev, mddev->major_version,
 					mddev->minor_version);
 		if (!IS_ERR(rdev) && !list_empty(&mddev->disks)) {
-			mdk_rdev_t *rdev0 = list_entry(mddev->disks.next,
-						       mdk_rdev_t, same_set);
+			struct md_rdev *rdev0
+				= list_entry(mddev->disks.next,
+					     struct md_rdev, same_set);
 			err = super_types[mddev->major_version]
 				.load_super(rdev, rdev0, mddev->minor_version);
 			if (err < 0)
@@ -4698,7 +4699,7 @@ static int start_dirty_degraded;
 int md_run(mddev_t *mddev)
 {
 	int err;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	struct mdk_personality *pers;
 
 	if (list_empty(&mddev->disks))
@@ -4798,7 +4799,7 @@ int md_run(mddev_t *mddev)
 		 * configuration.
 		 */
 		char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
-		mdk_rdev_t *rdev2;
+		struct md_rdev *rdev2;
 		int warned = 0;
 
 		list_for_each_entry(rdev, &mddev->disks, same_set)
@@ -5087,7 +5088,7 @@ out:
 static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 {
 	struct gendisk *disk = mddev->gendisk;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	mutex_lock(&mddev->open_mutex);
 	if (atomic_read(&mddev->openers) > is_open ||
@@ -5152,7 +5153,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 #ifndef MODULE
 static void autorun_array(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int err;
 
 	if (list_empty(&mddev->disks))
@@ -5187,7 +5188,7 @@ static void autorun_array(mddev_t *mddev)
  */
 static void autorun_devices(int part)
 {
-	mdk_rdev_t *rdev0, *rdev, *tmp;
+	struct md_rdev *rdev0, *rdev, *tmp;
 	mddev_t *mddev;
 	char b[BDEVNAME_SIZE];
 
@@ -5197,7 +5198,7 @@ static void autorun_devices(int part)
 		dev_t dev;
 		LIST_HEAD(candidates);
 		rdev0 = list_entry(pending_raid_disks.next,
-					 mdk_rdev_t, same_set);
+					 struct md_rdev, same_set);
 
 		printk(KERN_INFO "md: considering %s ...\n",
 			bdevname(rdev0->bdev,b));
@@ -5287,7 +5288,7 @@ static int get_array_info(mddev_t * mddev, void __user * arg)
 {
 	mdu_array_info_t info;
 	int nr,working,insync,failed,spare;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	nr=working=insync=failed=spare=0;
 	list_for_each_entry(rdev, &mddev->disks, same_set) {
@@ -5379,7 +5380,7 @@ out:
 static int get_disk_info(mddev_t * mddev, void __user * arg)
 {
 	mdu_disk_info_t info;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	if (copy_from_user(&info, arg, sizeof(info)))
 		return -EFAULT;
@@ -5413,7 +5414,7 @@ static int get_disk_info(mddev_t * mddev, void __user * arg)
 static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 {
 	char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	dev_t dev = MKDEV(info->major,info->minor);
 
 	if (info->major != MAJOR(dev) || info->minor != MINOR(dev))
@@ -5430,8 +5431,9 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 			return PTR_ERR(rdev);
 		}
 		if (!list_empty(&mddev->disks)) {
-			mdk_rdev_t *rdev0 = list_entry(mddev->disks.next,
-							mdk_rdev_t, same_set);
+			struct md_rdev *rdev0
+				= list_entry(mddev->disks.next,
+					     struct md_rdev, same_set);
 			err = super_types[mddev->major_version]
 				.load_super(rdev, rdev0, mddev->minor_version);
 			if (err < 0) {
@@ -5584,7 +5586,7 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 static int hot_remove_disk(mddev_t * mddev, dev_t dev)
 {
 	char b[BDEVNAME_SIZE];
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	rdev = find_rdev(mddev, dev);
 	if (!rdev)
@@ -5608,7 +5610,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
 {
 	char b[BDEVNAME_SIZE];
 	int err;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	if (!mddev->pers)
 		return -ENODEV;
@@ -5834,7 +5836,7 @@ EXPORT_SYMBOL(md_set_array_sectors);
 
 static int update_size(mddev_t *mddev, sector_t num_sectors)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int rv;
 	int fit = (num_sectors == 0);
 
@@ -5993,7 +5995,7 @@ static int update_array_info(mddev_t *mddev, mdu_array_info_t *info)
 
 static int set_disk_faulty(mddev_t *mddev, dev_t dev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	if (mddev->pers == NULL)
 		return -ENODEV;
@@ -6450,7 +6452,7 @@ void md_unregister_thread(mdk_thread_t **threadp)
 	kfree(thread);
 }
 
-void md_error(mddev_t *mddev, mdk_rdev_t *rdev)
+void md_error(mddev_t *mddev, struct md_rdev *rdev)
 {
 	if (!mddev) {
 		MD_BUG();
@@ -6479,7 +6481,7 @@ void md_error(mddev_t *mddev, mdk_rdev_t *rdev)
 static void status_unused(struct seq_file *seq)
 {
 	int i = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	seq_printf(seq, "unused devices: ");
 
@@ -6649,7 +6651,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
 {
 	mddev_t *mddev = v;
 	sector_t sectors;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	struct bitmap *bitmap;
 
 	if (v == (void*)1) {
@@ -6829,7 +6831,7 @@ int unregister_md_personality(struct mdk_personality *p)
 
 static int is_mddev_idle(mddev_t *mddev, int init)
 {
-	mdk_rdev_t * rdev;
+	struct md_rdev * rdev;
 	int idle;
 	int curr_events;
 
@@ -6987,7 +6989,7 @@ void md_do_sync(mddev_t *mddev)
 	struct list_head *tmp;
 	sector_t last_check;
 	int skipped = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	char *desc;
 
 	/* just incase thread restarts... */
@@ -7304,7 +7306,7 @@ EXPORT_SYMBOL_GPL(md_do_sync);
 
 static int remove_and_add_spares(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int spares = 0;
 
 	mddev->curr_resync_completed = 0;
@@ -7348,7 +7350,7 @@ static int remove_and_add_spares(mddev_t *mddev)
 
 static void reap_sync_thread(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	/* resync has finished, collect result */
 	md_unregister_thread(&mddev->sync_thread);
@@ -7443,7 +7445,7 @@ void md_check_recovery(mddev_t *mddev)
 			/* Only thing we do on a ro array is remove
 			 * failed devices.
 			 */
-			mdk_rdev_t *rdev;
+			struct md_rdev *rdev;
 			list_for_each_entry(rdev, &mddev->disks, same_set)
 				if (rdev->raid_disk >= 0 &&
 				    !test_bit(Blocked, &rdev->flags) &&
@@ -7567,7 +7569,7 @@ void md_check_recovery(mddev_t *mddev)
 	}
 }
 
-void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
+void md_wait_for_blocked_rdev(struct md_rdev *rdev, mddev_t *mddev)
 {
 	sysfs_notify_dirent_safe(rdev->sysfs_state);
 	wait_event_timeout(rdev->blocked_wait,
@@ -7825,7 +7827,7 @@ static int md_set_badblocks(struct badblocks *bb, sector_t s, int sectors,
 	return rv;
 }
 
-int rdev_set_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors,
+int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
 		       int acknowledged)
 {
 	int rv = md_set_badblocks(&rdev->badblocks,
@@ -7934,7 +7936,7 @@ out:
 	return rv;
 }
 
-int rdev_clear_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors)
+int rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, int sectors)
 {
 	return md_clear_badblocks(&rdev->badblocks,
 				  s + rdev->data_offset,
@@ -8181,7 +8183,7 @@ void md_autodetect_dev(dev_t dev)
 
 static void autostart_arrays(int part)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	struct detected_devices_node *node_detected_dev;
 	dev_t dev;
 	int i_scanned, i_passed;
diff --git a/drivers/md/md.h b/drivers/md/md.h
index f412b6e3aa73..b0e98c868c14 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -27,7 +27,6 @@
 #define MaxSector (~(sector_t)0)
 
 typedef struct mddev_s mddev_t;
-typedef struct mdk_rdev_s mdk_rdev_t;
 
 /* Bad block numbers are stored sorted in a single page.
  * 64bits is used for each block or extent.
@@ -39,8 +38,7 @@ typedef struct mdk_rdev_s mdk_rdev_t;
 /*
  * MD's 'extended' device
  */
-struct mdk_rdev_s
-{
+struct md_rdev {
 	struct list_head same_set;	/* RAID devices within the same set */
 
 	sector_t sectors;		/* Device size (in 512bytes sectors) */
@@ -168,7 +166,7 @@ struct mdk_rdev_s
 
 extern int md_is_badblock(struct badblocks *bb, sector_t s, int sectors,
 			  sector_t *first_bad, int *bad_sectors);
-static inline int is_badblock(mdk_rdev_t *rdev, sector_t s, int sectors,
+static inline int is_badblock(struct md_rdev *rdev, sector_t s, int sectors,
 			      sector_t *first_bad, int *bad_sectors)
 {
 	if (unlikely(rdev->badblocks.count)) {
@@ -181,9 +179,9 @@ static inline int is_badblock(mdk_rdev_t *rdev, sector_t s, int sectors,
 	}
 	return 0;
 }
-extern int rdev_set_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors,
+extern int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
 			      int acknowledged);
-extern int rdev_clear_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors);
+extern int rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, int sectors);
 extern void md_ack_all_badblocks(struct badblocks *bb);
 
 struct mddev_s
@@ -402,11 +400,11 @@ struct mddev_s
 	atomic_t flush_pending;
 	struct work_struct flush_work;
 	struct work_struct event_work;	/* used by dm to report failure event */
-	void (*sync_super)(mddev_t *mddev, mdk_rdev_t *rdev);
+	void (*sync_super)(mddev_t *mddev, struct md_rdev *rdev);
 };
 
 
-static inline void rdev_dec_pending(mdk_rdev_t *rdev, mddev_t *mddev)
+static inline void rdev_dec_pending(struct md_rdev *rdev, mddev_t *mddev)
 {
 	int faulty = test_bit(Faulty, &rdev->flags);
 	if (atomic_dec_and_test(&rdev->nr_pending) && faulty)
@@ -431,8 +429,8 @@ struct mdk_personality
 	/* error_handler must set ->faulty and clear ->in_sync
 	 * if appropriate, and should abort recovery if needed 
 	 */
-	void (*error_handler)(mddev_t *mddev, mdk_rdev_t *rdev);
-	int (*hot_add_disk) (mddev_t *mddev, mdk_rdev_t *rdev);
+	void (*error_handler)(mddev_t *mddev, struct md_rdev *rdev);
+	int (*hot_add_disk) (mddev_t *mddev, struct md_rdev *rdev);
 	int (*hot_remove_disk) (mddev_t *mddev, int number);
 	int (*spare_active) (mddev_t *mddev);
 	sector_t (*sync_request)(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster);
@@ -484,14 +482,14 @@ static inline char * mdname (mddev_t * mddev)
 	return mddev->gendisk ? mddev->gendisk->disk_name : "mdX";
 }
 
-static inline int sysfs_link_rdev(mddev_t *mddev, mdk_rdev_t *rdev)
+static inline int sysfs_link_rdev(mddev_t *mddev, struct md_rdev *rdev)
 {
 	char nm[20];
 	sprintf(nm, "rd%d", rdev->raid_disk);
 	return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);
 }
 
-static inline void sysfs_unlink_rdev(mddev_t *mddev, mdk_rdev_t *rdev)
+static inline void sysfs_unlink_rdev(mddev_t *mddev, struct md_rdev *rdev)
 {
 	char nm[20];
 	sprintf(nm, "rd%d", rdev->raid_disk);
@@ -566,23 +564,23 @@ extern void md_check_recovery(mddev_t *mddev);
 extern void md_write_start(mddev_t *mddev, struct bio *bi);
 extern void md_write_end(mddev_t *mddev);
 extern void md_done_sync(mddev_t *mddev, int blocks, int ok);
-extern void md_error(mddev_t *mddev, mdk_rdev_t *rdev);
+extern void md_error(mddev_t *mddev, struct md_rdev *rdev);
 
 extern int mddev_congested(mddev_t *mddev, int bits);
 extern void md_flush_request(mddev_t *mddev, struct bio *bio);
-extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
+extern void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
 			   sector_t sector, int size, struct page *page);
 extern void md_super_wait(mddev_t *mddev);
-extern int sync_page_io(mdk_rdev_t *rdev, sector_t sector, int size, 
+extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, 
 			struct page *page, int rw, bool metadata_op);
 extern void md_do_sync(mddev_t *mddev);
 extern void md_new_event(mddev_t *mddev);
 extern int md_allow_write(mddev_t *mddev);
-extern void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
+extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, mddev_t *mddev);
 extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors);
 extern int md_check_no_bitmap(mddev_t *mddev);
 extern int md_integrity_register(mddev_t *mddev);
-extern void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
+extern void md_integrity_add_rdev(struct md_rdev *rdev, mddev_t *mddev);
 extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
 extern void restore_bitmap_write_access(struct file *file);
 
@@ -590,7 +588,7 @@ extern void mddev_init(mddev_t *mddev);
 extern int md_run(mddev_t *mddev);
 extern void md_stop(mddev_t *mddev);
 extern void md_stop_writes(mddev_t *mddev);
-extern int md_rdev_init(mdk_rdev_t *rdev);
+extern int md_rdev_init(struct md_rdev *rdev);
 
 extern void mddev_suspend(mddev_t *mddev);
 extern void mddev_resume(mddev_t *mddev);
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index d5b5fb300171..09e8aa3d59f9 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -42,7 +42,7 @@ static int multipath_map (multipath_conf_t *conf)
 
 	rcu_read_lock();
 	for (i = 0; i < disks; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->multipaths[i].rdev);
 		if (rdev && test_bit(In_sync, &rdev->flags)) {
 			atomic_inc(&rdev->nr_pending);
 			rcu_read_unlock();
@@ -87,7 +87,7 @@ static void multipath_end_request(struct bio *bio, int error)
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
 	struct multipath_bh *mp_bh = bio->bi_private;
 	multipath_conf_t *conf = mp_bh->mddev->private;
-	mdk_rdev_t *rdev = conf->multipaths[mp_bh->path].rdev;
+	struct md_rdev *rdev = conf->multipaths[mp_bh->path].rdev;
 
 	if (uptodate)
 		multipath_end_bh_io(mp_bh, 0);
@@ -165,7 +165,7 @@ static int multipath_congested(void *data, int bits)
 
 	rcu_read_lock();
 	for (i = 0; i < mddev->raid_disks ; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->multipaths[i].rdev);
 		if (rdev && !test_bit(Faulty, &rdev->flags)) {
 			struct request_queue *q = bdev_get_queue(rdev->bdev);
 
@@ -183,7 +183,7 @@ static int multipath_congested(void *data, int bits)
 /*
  * Careful, this can execute in IRQ contexts as well!
  */
-static void multipath_error (mddev_t *mddev, mdk_rdev_t *rdev)
+static void multipath_error (mddev_t *mddev, struct md_rdev *rdev)
 {
 	multipath_conf_t *conf = mddev->private;
 	char b[BDEVNAME_SIZE];
@@ -242,7 +242,7 @@ static void print_multipath_conf (multipath_conf_t *conf)
 }
 
 
-static int multipath_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int multipath_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 {
 	multipath_conf_t *conf = mddev->private;
 	struct request_queue *q;
@@ -295,7 +295,7 @@ static int multipath_remove_disk(mddev_t *mddev, int number)
 {
 	multipath_conf_t *conf = mddev->private;
 	int err = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	struct multipath_info *p = conf->multipaths + number;
 
 	print_multipath_conf(conf);
@@ -392,7 +392,7 @@ static int multipath_run (mddev_t *mddev)
 	multipath_conf_t *conf;
 	int disk_idx;
 	struct multipath_info *disk;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int working_disks;
 
 	if (md_check_no_bitmap(mddev))
diff --git a/drivers/md/multipath.h b/drivers/md/multipath.h
index 3c5a45eb5f8a..034f8381e046 100644
--- a/drivers/md/multipath.h
+++ b/drivers/md/multipath.h
@@ -2,7 +2,7 @@
 #define _MULTIPATH_H
 
 struct multipath_info {
-	mdk_rdev_t	*rdev;
+	struct md_rdev	*rdev;
 };
 
 struct multipath_private_data {
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 138ecd7eef51..70fc3d949795 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -29,7 +29,7 @@ static int raid0_congested(void *data, int bits)
 {
 	mddev_t *mddev = data;
 	raid0_conf_t *conf = mddev->private;
-	mdk_rdev_t **devlist = conf->devlist;
+	struct md_rdev **devlist = conf->devlist;
 	int raid_disks = conf->strip_zone[0].nb_dev;
 	int i, ret = 0;
 
@@ -81,7 +81,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 {
 	int i, c, err;
 	sector_t curr_zone_end, sectors;
-	mdk_rdev_t *smallest, *rdev1, *rdev2, *rdev, **dev;
+	struct md_rdev *smallest, *rdev1, *rdev2, *rdev, **dev;
 	struct strip_zone *zone;
 	int cnt;
 	char b[BDEVNAME_SIZE];
@@ -142,7 +142,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
 				conf->nr_strip_zones, GFP_KERNEL);
 	if (!conf->strip_zone)
 		goto abort;
-	conf->devlist = kzalloc(sizeof(mdk_rdev_t*)*
+	conf->devlist = kzalloc(sizeof(struct md_rdev*)*
 				conf->nr_strip_zones*mddev->raid_disks,
 				GFP_KERNEL);
 	if (!conf->devlist)
@@ -323,7 +323,7 @@ static int raid0_mergeable_bvec(struct request_queue *q,
 static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 {
 	sector_t array_sectors = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	WARN_ONCE(sectors || raid_disks,
 		  "%s does not support generic reshape\n", __func__);
@@ -419,7 +419,7 @@ static struct strip_zone *find_zone(struct raid0_private_data *conf,
  * remaps the bio to the target device. we separate two flows.
  * power 2 flow and a general flow for the sake of perfromance
 */
-static mdk_rdev_t *map_sector(mddev_t *mddev, struct strip_zone *zone,
+static struct md_rdev *map_sector(mddev_t *mddev, struct strip_zone *zone,
 				sector_t sector, sector_t *sector_offset)
 {
 	unsigned int sect_in_chunk;
@@ -473,7 +473,7 @@ static int raid0_make_request(mddev_t *mddev, struct bio *bio)
 	unsigned int chunk_sects;
 	sector_t sector_offset;
 	struct strip_zone *zone;
-	mdk_rdev_t *tmp_dev;
+	struct md_rdev *tmp_dev;
 
 	if (unlikely(bio->bi_rw & REQ_FLUSH)) {
 		md_flush_request(mddev, bio);
@@ -536,7 +536,7 @@ static void raid0_status(struct seq_file *seq, mddev_t *mddev)
 
 static void *raid0_takeover_raid45(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	raid0_conf_t *priv_conf;
 
 	if (mddev->degraded != 1) {
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
index 91f8e876ee64..9d877b8d382c 100644
--- a/drivers/md/raid0.h
+++ b/drivers/md/raid0.h
@@ -11,7 +11,7 @@ struct strip_zone
 struct raid0_private_data
 {
 	struct strip_zone *strip_zone;
-	mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
+	struct md_rdev **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
 	int nr_strip_zones;
 };
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c8993fb8286c..de7d2b677066 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -475,7 +475,7 @@ static int read_balance(conf_t *conf, r1bio_t *r1_bio, int *max_sectors)
 	int best_disk;
 	int i;
 	sector_t best_dist;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int choose_first;
 
 	rcu_read_lock();
@@ -600,7 +600,7 @@ int md_raid1_congested(mddev_t *mddev, int bits)
 
 	rcu_read_lock();
 	for (i = 0; i < mddev->raid_disks; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev && !test_bit(Faulty, &rdev->flags)) {
 			struct request_queue *q = bdev_get_queue(rdev->bdev);
 
@@ -808,7 +808,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
 	const int rw = bio_data_dir(bio);
 	const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
 	const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA));
-	mdk_rdev_t *blocked_rdev;
+	struct md_rdev *blocked_rdev;
 	int plugged;
 	int first_clone;
 	int sectors_handled;
@@ -963,7 +963,7 @@ read_again:
 	rcu_read_lock();
 	max_sectors = r1_bio->sectors;
 	for (i = 0;  i < disks; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev && unlikely(test_bit(Blocked, &rdev->flags))) {
 			atomic_inc(&rdev->nr_pending);
 			blocked_rdev = rdev;
@@ -1147,7 +1147,7 @@ static void status(struct seq_file *seq, mddev_t *mddev)
 		   conf->raid_disks - mddev->degraded);
 	rcu_read_lock();
 	for (i = 0; i < conf->raid_disks; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		seq_printf(seq, "%s",
 			   rdev && test_bit(In_sync, &rdev->flags) ? "U" : "_");
 	}
@@ -1156,7 +1156,7 @@ static void status(struct seq_file *seq, mddev_t *mddev)
 }
 
 
-static void error(mddev_t *mddev, mdk_rdev_t *rdev)
+static void error(mddev_t *mddev, struct md_rdev *rdev)
 {
 	char b[BDEVNAME_SIZE];
 	conf_t *conf = mddev->private;
@@ -1214,7 +1214,7 @@ static void print_conf(conf_t *conf)
 	rcu_read_lock();
 	for (i = 0; i < conf->raid_disks; i++) {
 		char b[BDEVNAME_SIZE];
-		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev)
 			printk(KERN_DEBUG " disk %d, wo:%d, o:%d, dev:%s\n",
 			       i, !test_bit(In_sync, &rdev->flags),
@@ -1246,7 +1246,7 @@ static int raid1_spare_active(mddev_t *mddev)
 	 * Called under mddev lock, so rcu protection not needed.
 	 */
 	for (i = 0; i < conf->raid_disks; i++) {
-		mdk_rdev_t *rdev = conf->mirrors[i].rdev;
+		struct md_rdev *rdev = conf->mirrors[i].rdev;
 		if (rdev
 		    && !test_bit(Faulty, &rdev->flags)
 		    && !test_and_set_bit(In_sync, &rdev->flags)) {
@@ -1263,7 +1263,7 @@ static int raid1_spare_active(mddev_t *mddev)
 }
 
 
-static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int raid1_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 {
 	conf_t *conf = mddev->private;
 	int err = -EEXIST;
@@ -1315,7 +1315,7 @@ static int raid1_remove_disk(mddev_t *mddev, int number)
 {
 	conf_t *conf = mddev->private;
 	int err = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	mirror_info_t *p = conf->mirrors+ number;
 
 	print_conf(conf);
@@ -1419,7 +1419,7 @@ static void end_sync_write(struct bio *bio, int error)
 	}
 }
 
-static int r1_sync_page_io(mdk_rdev_t *rdev, sector_t sector,
+static int r1_sync_page_io(struct md_rdev *rdev, sector_t sector,
 			    int sectors, struct page *page, int rw)
 {
 	if (sync_page_io(rdev, sector, sectors << 9, page, rw, false))
@@ -1457,7 +1457,7 @@ static int fix_sync_read_error(r1bio_t *r1_bio)
 		int s = sectors;
 		int d = r1_bio->read_disk;
 		int success = 0;
-		mdk_rdev_t *rdev;
+		struct md_rdev *rdev;
 		int start;
 
 		if (s > (PAGE_SIZE>>9))
@@ -1696,7 +1696,7 @@ static void fix_read_error(conf_t *conf, int read_disk,
 		int d = read_disk;
 		int success = 0;
 		int start;
-		mdk_rdev_t *rdev;
+		struct md_rdev *rdev;
 
 		if (s > (PAGE_SIZE>>9))
 			s = PAGE_SIZE >> 9;
@@ -1727,7 +1727,7 @@ static void fix_read_error(conf_t *conf, int read_disk,
 
 		if (!success) {
 			/* Cannot read from anywhere - mark it bad */
-			mdk_rdev_t *rdev = conf->mirrors[read_disk].rdev;
+			struct md_rdev *rdev = conf->mirrors[read_disk].rdev;
 			if (!rdev_set_badblocks(rdev, sect, s, 0))
 				md_error(mddev, rdev);
 			break;
@@ -1794,7 +1794,7 @@ static int narrow_write_error(r1bio_t *r1_bio, int i)
 {
 	mddev_t *mddev = r1_bio->mddev;
 	conf_t *conf = mddev->private;
-	mdk_rdev_t *rdev = conf->mirrors[i].rdev;
+	struct md_rdev *rdev = conf->mirrors[i].rdev;
 	int vcnt, idx;
 	struct bio_vec *vec;
 
@@ -1871,7 +1871,7 @@ static void handle_sync_write_finished(conf_t *conf, r1bio_t *r1_bio)
 	int m;
 	int s = r1_bio->sectors;
 	for (m = 0; m < conf->raid_disks ; m++) {
-		mdk_rdev_t *rdev = conf->mirrors[m].rdev;
+		struct md_rdev *rdev = conf->mirrors[m].rdev;
 		struct bio *bio = r1_bio->bios[m];
 		if (bio->bi_end_io == NULL)
 			continue;
@@ -1894,7 +1894,7 @@ static void handle_write_finished(conf_t *conf, r1bio_t *r1_bio)
 	int m;
 	for (m = 0; m < conf->raid_disks ; m++)
 		if (r1_bio->bios[m] == IO_MADE_GOOD) {
-			mdk_rdev_t *rdev = conf->mirrors[m].rdev;
+			struct md_rdev *rdev = conf->mirrors[m].rdev;
 			rdev_clear_badblocks(rdev,
 					     r1_bio->sector,
 					     r1_bio->sectors);
@@ -1925,7 +1925,7 @@ static void handle_read_error(conf_t *conf, r1bio_t *r1_bio)
 	mddev_t *mddev = conf->mddev;
 	struct bio *bio;
 	char b[BDEVNAME_SIZE];
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	clear_bit(R1BIO_ReadError, &r1_bio->state);
 	/* we got a read error. Maybe the drive is bad.  Maybe just
@@ -2168,7 +2168,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
 	set_bit(R1BIO_IsSync, &r1_bio->state);
 
 	for (i=0; i < conf->raid_disks; i++) {
-		mdk_rdev_t *rdev;
+		struct md_rdev *rdev;
 		bio = r1_bio->bios[i];
 
 		/* take from bio_init */
@@ -2240,7 +2240,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
 		int ok = 1;
 		for (i = 0 ; i < conf->raid_disks ; i++)
 			if (r1_bio->bios[i]->bi_end_io == end_sync_write) {
-				mdk_rdev_t *rdev =
+				struct md_rdev *rdev =
 					rcu_dereference(conf->mirrors[i].rdev);
 				ok = rdev_set_badblocks(rdev, sector_nr,
 							min_bad, 0
@@ -2370,7 +2370,7 @@ static conf_t *setup_conf(mddev_t *mddev)
 	conf_t *conf;
 	int i;
 	mirror_info_t *disk;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int err = -ENOMEM;
 
 	conf = kzalloc(sizeof(conf_t), GFP_KERNEL);
@@ -2470,7 +2470,7 @@ static int run(mddev_t *mddev)
 {
 	conf_t *conf;
 	int i;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	if (mddev->level != 1) {
 		printk(KERN_ERR "md/raid1:%s: raid level not set to mirroring (%d)\n",
@@ -2669,7 +2669,7 @@ static int raid1_reshape(mddev_t *mddev)
 	conf->r1bio_pool = newpool;
 
 	for (d = d2 = 0; d < conf->raid_disks; d++) {
-		mdk_rdev_t *rdev = conf->mirrors[d].rdev;
+		struct md_rdev *rdev = conf->mirrors[d].rdev;
 		if (rdev && rdev->raid_disk != d2) {
 			sysfs_unlink_rdev(mddev, rdev);
 			rdev->raid_disk = d2;
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index a3d5483873a2..2377a461f794 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -4,7 +4,7 @@
 typedef struct mirror_info mirror_info_t;
 
 struct mirror_info {
-	mdk_rdev_t	*rdev;
+	struct md_rdev	*rdev;
 	sector_t	head_position;
 };
 
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0cd9672cf9cb..b3b7238c5416 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -562,7 +562,7 @@ static int read_balance(conf_t *conf, r10bio_t *r10_bio, int *max_sectors)
 	int sectors = r10_bio->sectors;
 	int best_good_sectors;
 	sector_t new_distance, best_dist;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int do_balance;
 	int best_slot;
 
@@ -685,7 +685,7 @@ static int raid10_congested(void *data, int bits)
 		return 1;
 	rcu_read_lock();
 	for (i = 0; i < conf->raid_disks && ret == 0; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
 		if (rdev && !test_bit(Faulty, &rdev->flags)) {
 			struct request_queue *q = bdev_get_queue(rdev->bdev);
 
@@ -842,7 +842,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
 	const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
 	const unsigned long do_fua = (bio->bi_rw & REQ_FUA);
 	unsigned long flags;
-	mdk_rdev_t *blocked_rdev;
+	struct md_rdev *blocked_rdev;
 	int plugged;
 	int sectors_handled;
 	int max_sectors;
@@ -1017,7 +1017,7 @@ retry_write:
 
 	for (i = 0;  i < conf->copies; i++) {
 		int d = r10_bio->devs[i].devnum;
-		mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[d].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->mirrors[d].rdev);
 		if (rdev && unlikely(test_bit(Blocked, &rdev->flags))) {
 			atomic_inc(&rdev->nr_pending);
 			blocked_rdev = rdev;
@@ -1209,7 +1209,7 @@ static int enough(conf_t *conf, int ignore)
 	return 1;
 }
 
-static void error(mddev_t *mddev, mdk_rdev_t *rdev)
+static void error(mddev_t *mddev, struct md_rdev *rdev)
 {
 	char b[BDEVNAME_SIZE];
 	conf_t *conf = mddev->private;
@@ -1309,7 +1309,7 @@ static int raid10_spare_active(mddev_t *mddev)
 }
 
 
-static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int raid10_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 {
 	conf_t *conf = mddev->private;
 	int err = -EEXIST;
@@ -1372,7 +1372,7 @@ static int raid10_remove_disk(mddev_t *mddev, int number)
 {
 	conf_t *conf = mddev->private;
 	int err = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	mirror_info_t *p = conf->mirrors+ number;
 
 	print_conf(conf);
@@ -1629,7 +1629,7 @@ static void fix_recovery_read_error(r10bio_t *r10_bio)
 
 	while (sectors) {
 		int s = sectors;
-		mdk_rdev_t *rdev;
+		struct md_rdev *rdev;
 		sector_t addr;
 		int ok;
 
@@ -1663,7 +1663,7 @@ static void fix_recovery_read_error(r10bio_t *r10_bio)
 
 			if (rdev != conf->mirrors[dw].rdev) {
 				/* need bad block on destination too */
-				mdk_rdev_t *rdev2 = conf->mirrors[dw].rdev;
+				struct md_rdev *rdev2 = conf->mirrors[dw].rdev;
 				addr = r10_bio->devs[1].addr + sect;
 				ok = rdev_set_badblocks(rdev2, addr, s, 0);
 				if (!ok) {
@@ -1719,7 +1719,7 @@ static void recovery_request_write(mddev_t *mddev, r10bio_t *r10_bio)
  * since the last recorded read error.
  *
  */
-static void check_decay_read_errors(mddev_t *mddev, mdk_rdev_t *rdev)
+static void check_decay_read_errors(mddev_t *mddev, struct md_rdev *rdev)
 {
 	struct timespec cur_time_mon;
 	unsigned long hours_since_last;
@@ -1750,7 +1750,7 @@ static void check_decay_read_errors(mddev_t *mddev, mdk_rdev_t *rdev)
 		atomic_set(&rdev->read_errors, read_errors >> hours_since_last);
 }
 
-static int r10_sync_page_io(mdk_rdev_t *rdev, sector_t sector,
+static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
 			    int sectors, struct page *page, int rw)
 {
 	sector_t first_bad;
@@ -1782,7 +1782,7 @@ static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
 {
 	int sect = 0; /* Offset from r10_bio->sector */
 	int sectors = r10_bio->sectors;
-	mdk_rdev_t*rdev;
+	struct md_rdev*rdev;
 	int max_read_errors = atomic_read(&mddev->max_corr_read_errors);
 	int d = r10_bio->devs[r10_bio->read_slot].devnum;
 
@@ -1988,7 +1988,7 @@ static int narrow_write_error(r10bio_t *r10_bio, int i)
 	struct bio *bio = r10_bio->master_bio;
 	mddev_t *mddev = r10_bio->mddev;
 	conf_t *conf = mddev->private;
-	mdk_rdev_t *rdev = conf->mirrors[r10_bio->devs[i].devnum].rdev;
+	struct md_rdev *rdev = conf->mirrors[r10_bio->devs[i].devnum].rdev;
 	/* bio has the data to be written to slot 'i' where
 	 * we just recently had a write error.
 	 * We repeatedly clone the bio and trim down to one block,
@@ -2046,7 +2046,7 @@ static void handle_read_error(mddev_t *mddev, r10bio_t *r10_bio)
 	int mirror = r10_bio->devs[slot].devnum;
 	struct bio *bio;
 	conf_t *conf = mddev->private;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	char b[BDEVNAME_SIZE];
 	unsigned long do_sync;
 	int max_sectors;
@@ -2148,7 +2148,7 @@ static void handle_write_completed(conf_t *conf, r10bio_t *r10_bio)
 	 * a bad block.
 	 */
 	int m;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	if (test_bit(R10BIO_IsSync, &r10_bio->state) ||
 	    test_bit(R10BIO_IsRecover, &r10_bio->state)) {
@@ -2453,7 +2453,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr,
 				int k;
 				int d = r10_bio->devs[j].devnum;
 				sector_t from_addr, to_addr;
-				mdk_rdev_t *rdev;
+				struct md_rdev *rdev;
 				sector_t sector, first_bad;
 				int bad_sectors;
 				if (!conf->mirrors[d].rdev ||
@@ -2841,7 +2841,7 @@ static int run(mddev_t *mddev)
 	conf_t *conf;
 	int i, disk_idx, chunk_size;
 	mirror_info_t *disk;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	sector_t size;
 
 	/*
@@ -2999,7 +2999,7 @@ static void raid10_quiesce(mddev_t *mddev, int state)
 
 static void *raid10_takeover_raid0(mddev_t *mddev)
 {
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	conf_t *conf;
 
 	if (mddev->degraded > 0) {
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index 79cb52a0d4a2..d37260fe9c3f 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -4,7 +4,7 @@
 typedef struct mirror_info mirror_info_t;
 
 struct mirror_info {
-	mdk_rdev_t	*rdev;
+	struct md_rdev	*rdev;
 	sector_t	head_position;
 	int		recovery_disabled;	/* matches
 						 * mddev->recovery_disabled
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 245946e9e4c9..d0e2a345e4d7 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -379,7 +379,7 @@ static int has_failed(raid5_conf_t *conf)
 	rcu_read_lock();
 	degraded = 0;
 	for (i = 0; i < conf->previous_raid_disks; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev);
 		if (!rdev || test_bit(Faulty, &rdev->flags))
 			degraded++;
 		else if (test_bit(In_sync, &rdev->flags))
@@ -403,7 +403,7 @@ static int has_failed(raid5_conf_t *conf)
 	rcu_read_lock();
 	degraded = 0;
 	for (i = 0; i < conf->raid_disks; i++) {
-		mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
+		struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev);
 		if (!rdev || test_bit(Faulty, &rdev->flags))
 			degraded++;
 		else if (test_bit(In_sync, &rdev->flags))
@@ -492,7 +492,7 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)
 	for (i = disks; i--; ) {
 		int rw;
 		struct bio *bi;
-		mdk_rdev_t *rdev;
+		struct md_rdev *rdev;
 		if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags)) {
 			if (test_and_clear_bit(R5_WantFUA, &sh->dev[i].flags))
 				rw = WRITE_FUA;
@@ -1582,7 +1582,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
 	int disks = sh->disks, i;
 	int uptodate = test_bit(BIO_UPTODATE, &bi->bi_flags);
 	char b[BDEVNAME_SIZE];
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 
 	for (i=0 ; i<disks; i++)
@@ -1719,7 +1719,7 @@ static void raid5_build_block(struct stripe_head *sh, int i, int previous)
 	dev->sector = compute_blocknr(sh, i, previous);
 }
 
-static void error(mddev_t *mddev, mdk_rdev_t *rdev)
+static void error(mddev_t *mddev, struct md_rdev *rdev)
 {
 	char b[BDEVNAME_SIZE];
 	raid5_conf_t *conf = mddev->private;
@@ -2257,7 +2257,7 @@ handle_failed_stripe(raid5_conf_t *conf, struct stripe_head *sh,
 		int bitmap_end = 0;
 
 		if (test_bit(R5_ReadError, &sh->dev[i].flags)) {
-			mdk_rdev_t *rdev;
+			struct md_rdev *rdev;
 			rcu_read_lock();
 			rdev = rcu_dereference(conf->disks[i].rdev);
 			if (rdev && test_bit(In_sync, &rdev->flags))
@@ -2371,7 +2371,7 @@ handle_failed_sync(raid5_conf_t *conf, struct stripe_head *sh,
 	 * refcounting of rdevs is not needed
 	 */
 	for (i = 0; i < conf->raid_disks; i++) {
-		mdk_rdev_t *rdev = conf->disks[i].rdev;
+		struct md_rdev *rdev = conf->disks[i].rdev;
 		if (!rdev
 		    || test_bit(Faulty, &rdev->flags)
 		    || test_bit(In_sync, &rdev->flags))
@@ -2995,7 +2995,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 	rcu_read_lock();
 	spin_lock_irq(&conf->device_lock);
 	for (i=disks; i--; ) {
-		mdk_rdev_t *rdev;
+		struct md_rdev *rdev;
 		sector_t first_bad;
 		int bad_sectors;
 		int is_bad = 0;
@@ -3334,7 +3334,7 @@ finish:
 
 	if (s.handle_bad_blocks)
 		for (i = disks; i--; ) {
-			mdk_rdev_t *rdev;
+			struct md_rdev *rdev;
 			struct r5dev *dev = &sh->dev[i];
 			if (test_and_clear_bit(R5_WriteError, &dev->flags)) {
 				/* We own a safe reference to the rdev */
@@ -3523,7 +3523,7 @@ static void raid5_align_endio(struct bio *bi, int error)
 	mddev_t *mddev;
 	raid5_conf_t *conf;
 	int uptodate = test_bit(BIO_UPTODATE, &bi->bi_flags);
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	bio_put(bi);
 
@@ -3572,7 +3572,7 @@ static int chunk_aligned_read(mddev_t *mddev, struct bio * raid_bio)
 	raid5_conf_t *conf = mddev->private;
 	int dd_idx;
 	struct bio* align_bi;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 
 	if (!in_chunk_boundary(mddev, raid_bio)) {
 		pr_debug("chunk_aligned_read : non aligned\n");
@@ -4544,7 +4544,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
 {
 	raid5_conf_t *conf;
 	int raid_disk, memory, max_disks;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	struct disk_info *disk;
 
 	if (mddev->new_level != 5
@@ -4710,7 +4710,7 @@ static int run(mddev_t *mddev)
 	raid5_conf_t *conf;
 	int working_disks = 0;
 	int dirty_parity_disks = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	sector_t reshape_offset = 0;
 
 	if (mddev->recovery_cp != MaxSector)
@@ -5023,7 +5023,7 @@ static int raid5_remove_disk(mddev_t *mddev, int number)
 {
 	raid5_conf_t *conf = mddev->private;
 	int err = 0;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	struct disk_info *p = conf->disks + number;
 
 	print_raid5_conf(conf);
@@ -5062,7 +5062,7 @@ abort:
 	return err;
 }
 
-static int raid5_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int raid5_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 {
 	raid5_conf_t *conf = mddev->private;
 	int err = -EEXIST;
@@ -5191,7 +5191,7 @@ static int check_reshape(mddev_t *mddev)
 static int raid5_start_reshape(mddev_t *mddev)
 {
 	raid5_conf_t *conf = mddev->private;
-	mdk_rdev_t *rdev;
+	struct md_rdev *rdev;
 	int spares = 0;
 	unsigned long flags;
 
@@ -5353,7 +5353,7 @@ static void raid5_finish_reshape(mddev_t *mddev)
 			for (d = conf->raid_disks ;
 			     d < conf->raid_disks - mddev->delta_disks;
 			     d++) {
-				mdk_rdev_t *rdev = conf->disks[d].rdev;
+				struct md_rdev *rdev = conf->disks[d].rdev;
 				if (rdev && raid5_remove_disk(mddev, d) == 0) {
 					sysfs_unlink_rdev(mddev, rdev);
 					rdev->raid_disk = -1;
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 11b9566184b2..6b234af7bf17 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -248,7 +248,7 @@ struct stripe_head_state {
 	unsigned long ops_request;
 
 	struct bio *return_bi;
-	mdk_rdev_t *blocked_rdev;
+	struct md_rdev *blocked_rdev;
 	int handle_bad_blocks;
 };
 
@@ -344,7 +344,7 @@ enum {
 
 
 struct disk_info {
-	mdk_rdev_t	*rdev;
+	struct md_rdev	*rdev;
 };
 
 struct raid5_private_data {