diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 70e8736e300..2d5158c8d6b 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -179,7 +179,7 @@ static void bitmap_checkfree(struct bitmap *bitmap, unsigned long page)
  */
 
 /* IO operations when bitmap is stored near all superblocks */
-static struct page *read_sb_page(mddev_t *mddev, loff_t offset,
+static struct page *read_sb_page(struct mddev *mddev, loff_t offset,
 				 struct page *page,
 				 unsigned long index, int size)
 {
@@ -218,7 +218,7 @@ static struct page *read_sb_page(mddev_t *mddev, loff_t offset,
 
 }
 
-static struct md_rdev *next_active_rdev(struct md_rdev *rdev, mddev_t *mddev)
+static struct md_rdev *next_active_rdev(struct md_rdev *rdev, struct mddev *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
@@ -256,7 +256,7 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
 {
 	struct md_rdev *rdev = NULL;
 	struct block_device *bdev;
-	mddev_t *mddev = bitmap->mddev;
+	struct mddev *mddev = bitmap->mddev;
 
 	while ((rdev = next_active_rdev(rdev, mddev)) != NULL) {
 		int size = PAGE_SIZE;
@@ -1157,7 +1157,7 @@ static bitmap_counter_t *bitmap_get_counter(struct bitmap *bitmap,
  *			out to disk
  */
 
-void bitmap_daemon_work(mddev_t *mddev)
+void bitmap_daemon_work(struct mddev *mddev)
 {
 	struct bitmap *bitmap;
 	unsigned long j;
@@ -1647,7 +1647,7 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
 /*
  * flush out any pending updates
  */
-void bitmap_flush(mddev_t *mddev)
+void bitmap_flush(struct mddev *mddev)
 {
 	struct bitmap *bitmap = mddev->bitmap;
 	long sleep;
@@ -1695,7 +1695,7 @@ static void bitmap_free(struct bitmap *bitmap)
 	kfree(bitmap);
 }
 
-void bitmap_destroy(mddev_t *mddev)
+void bitmap_destroy(struct mddev *mddev)
 {
 	struct bitmap *bitmap = mddev->bitmap;
 
@@ -1718,7 +1718,7 @@ void bitmap_destroy(mddev_t *mddev)
  * initialize the bitmap structure
  * if this returns an error, bitmap_destroy must be called to do clean up
  */
-int bitmap_create(mddev_t *mddev)
+int bitmap_create(struct mddev *mddev)
 {
 	struct bitmap *bitmap;
 	sector_t blocks = mddev->resync_max_sectors;
@@ -1822,7 +1822,7 @@ int bitmap_create(mddev_t *mddev)
 	return err;
 }
 
-int bitmap_load(mddev_t *mddev)
+int bitmap_load(struct mddev *mddev)
 {
 	int err = 0;
 	sector_t start = 0;
@@ -1868,7 +1868,7 @@ out:
 EXPORT_SYMBOL_GPL(bitmap_load);
 
 static ssize_t
-location_show(mddev_t *mddev, char *page)
+location_show(struct mddev *mddev, char *page)
 {
 	ssize_t len;
 	if (mddev->bitmap_info.file)
@@ -1882,7 +1882,7 @@ location_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-location_store(mddev_t *mddev, const char *buf, size_t len)
+location_store(struct mddev *mddev, const char *buf, size_t len)
 {
 
 	if (mddev->pers) {
@@ -1959,7 +1959,7 @@ static struct md_sysfs_entry bitmap_location =
 __ATTR(location, S_IRUGO|S_IWUSR, location_show, location_store);
 
 static ssize_t
-timeout_show(mddev_t *mddev, char *page)
+timeout_show(struct mddev *mddev, char *page)
 {
 	ssize_t len;
 	unsigned long secs = mddev->bitmap_info.daemon_sleep / HZ;
@@ -1973,7 +1973,7 @@ timeout_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-timeout_store(mddev_t *mddev, const char *buf, size_t len)
+timeout_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	/* timeout can be set at any time */
 	unsigned long timeout;
@@ -2009,13 +2009,13 @@ static struct md_sysfs_entry bitmap_timeout =
 __ATTR(time_base, S_IRUGO|S_IWUSR, timeout_show, timeout_store);
 
 static ssize_t
-backlog_show(mddev_t *mddev, char *page)
+backlog_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%lu\n", mddev->bitmap_info.max_write_behind);
 }
 
 static ssize_t
-backlog_store(mddev_t *mddev, const char *buf, size_t len)
+backlog_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	unsigned long backlog;
 	int rv = strict_strtoul(buf, 10, &backlog);
@@ -2031,13 +2031,13 @@ static struct md_sysfs_entry bitmap_backlog =
 __ATTR(backlog, S_IRUGO|S_IWUSR, backlog_show, backlog_store);
 
 static ssize_t
-chunksize_show(mddev_t *mddev, char *page)
+chunksize_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%lu\n", mddev->bitmap_info.chunksize);
 }
 
 static ssize_t
-chunksize_store(mddev_t *mddev, const char *buf, size_t len)
+chunksize_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	/* Can only be changed when no bitmap is active */
 	int rv;
@@ -2057,13 +2057,13 @@ chunksize_store(mddev_t *mddev, const char *buf, size_t len)
 static struct md_sysfs_entry bitmap_chunksize =
 __ATTR(chunksize, S_IRUGO|S_IWUSR, chunksize_show, chunksize_store);
 
-static ssize_t metadata_show(mddev_t *mddev, char *page)
+static ssize_t metadata_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%s\n", (mddev->bitmap_info.external
 				      ? "external" : "internal"));
 }
 
-static ssize_t metadata_store(mddev_t *mddev, const char *buf, size_t len)
+static ssize_t metadata_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	if (mddev->bitmap ||
 	    mddev->bitmap_info.file ||
@@ -2081,7 +2081,7 @@ static ssize_t metadata_store(mddev_t *mddev, const char *buf, size_t len)
 static struct md_sysfs_entry bitmap_metadata =
 __ATTR(metadata, S_IRUGO|S_IWUSR, metadata_show, metadata_store);
 
-static ssize_t can_clear_show(mddev_t *mddev, char *page)
+static ssize_t can_clear_show(struct mddev *mddev, char *page)
 {
 	int len;
 	if (mddev->bitmap)
@@ -2092,7 +2092,7 @@ static ssize_t can_clear_show(mddev_t *mddev, char *page)
 	return len;
 }
 
-static ssize_t can_clear_store(mddev_t *mddev, const char *buf, size_t len)
+static ssize_t can_clear_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	if (mddev->bitmap == NULL)
 		return -ENOENT;
@@ -2111,7 +2111,7 @@ static struct md_sysfs_entry bitmap_can_clear =
 __ATTR(can_clear, S_IRUGO|S_IWUSR, can_clear_show, can_clear_store);
 
 static ssize_t
-behind_writes_used_show(mddev_t *mddev, char *page)
+behind_writes_used_show(struct mddev *mddev, char *page)
 {
 	if (mddev->bitmap == NULL)
 		return sprintf(page, "0\n");
@@ -2120,7 +2120,7 @@ behind_writes_used_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-behind_writes_used_reset(mddev_t *mddev, const char *buf, size_t len)
+behind_writes_used_reset(struct mddev *mddev, const char *buf, size_t len)
 {
 	if (mddev->bitmap)
 		mddev->bitmap->behind_writes_used = 0;
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index a28f2e5588c..a15436dd9b3 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -193,7 +193,7 @@ struct bitmap {
 	unsigned long pages; /* total number of pages in the bitmap */
 	unsigned long missing_pages; /* number of pages not yet allocated */
 
-	mddev_t *mddev; /* the md device that the bitmap is for */
+	struct mddev *mddev; /* the md device that the bitmap is for */
 
 	/* bitmap chunksize -- how much data does each bit represent? */
 	unsigned long chunkshift; /* chunksize = 2^chunkshift (for bitops) */
@@ -238,10 +238,10 @@ struct bitmap {
 /* the bitmap API */
 
 /* these are used only by md/bitmap */
-int  bitmap_create(mddev_t *mddev);
-int bitmap_load(mddev_t *mddev);
-void bitmap_flush(mddev_t *mddev);
-void bitmap_destroy(mddev_t *mddev);
+int  bitmap_create(struct mddev *mddev);
+int bitmap_load(struct mddev *mddev);
+void bitmap_flush(struct mddev *mddev);
+void bitmap_destroy(struct mddev *mddev);
 
 void bitmap_print_sb(struct bitmap *bitmap);
 void bitmap_update_sb(struct bitmap *bitmap);
@@ -262,7 +262,7 @@ void bitmap_close_sync(struct bitmap *bitmap);
 void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector);
 
 void bitmap_unplug(struct bitmap *bitmap);
-void bitmap_daemon_work(mddev_t *mddev);
+void bitmap_daemon_work(struct mddev *mddev);
 #endif
 
 #endif
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index a2213d5808f..c0c30d88044 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -57,7 +57,7 @@ struct raid_set {
 
 	uint64_t print_flags;
 
-	struct mddev_s md;
+	struct mddev md;
 	struct raid_type *raid_type;
 	struct dm_target_callbacks callbacks;
 
@@ -611,7 +611,7 @@ static int read_disk_sb(struct md_rdev *rdev, int size)
 	return 0;
 }
 
-static void super_sync(mddev_t *mddev, struct md_rdev *rdev)
+static void super_sync(struct mddev *mddev, struct md_rdev *rdev)
 {
 	struct md_rdev *r, *t;
 	uint64_t failed_devices;
@@ -689,7 +689,7 @@ static int super_load(struct md_rdev *rdev, struct md_rdev *refdev)
 	return (events_sb > events_refsb) ? 1 : 0;
 }
 
-static int super_init_validation(mddev_t *mddev, struct md_rdev *rdev)
+static int super_init_validation(struct mddev *mddev, struct md_rdev *rdev)
 {
 	int role;
 	struct raid_set *rs = container_of(mddev, struct raid_set, md);
@@ -809,7 +809,7 @@ static int super_init_validation(mddev_t *mddev, struct md_rdev *rdev)
 	return 0;
 }
 
-static int super_validate(mddev_t *mddev, struct md_rdev *rdev)
+static int super_validate(struct mddev *mddev, struct md_rdev *rdev)
 {
 	struct dm_raid_superblock *sb = page_address(rdev->sb_page);
 
@@ -850,7 +850,7 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
 {
 	int ret;
 	struct md_rdev *rdev, *freshest, *tmp;
-	mddev_t *mddev = &rs->md;
+	struct mddev *mddev = &rs->md;
 
 	freshest = NULL;
 	rdev_for_each(rdev, tmp, mddev) {
@@ -1004,7 +1004,7 @@ static void raid_dtr(struct dm_target *ti)
 static int raid_map(struct dm_target *ti, struct bio *bio, union map_info *map_context)
 {
 	struct raid_set *rs = ti->private;
-	mddev_t *mddev = &rs->md;
+	struct mddev *mddev = &rs->md;
 
 	mddev->pers->make_request(mddev, bio);
 
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index a0fa5a01ee2..a2d4c46ff2a 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -169,7 +169,7 @@ static void add_sector(conf_t *conf, sector_t start, int mode)
 		conf->nfaults = n+1;
 }
 
-static int make_request(mddev_t *mddev, struct bio *bio)
+static int make_request(struct mddev *mddev, struct bio *bio)
 {
 	conf_t *conf = mddev->private;
 	int failit = 0;
@@ -222,7 +222,7 @@ static int make_request(mddev_t *mddev, struct bio *bio)
 	}
 }
 
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
 {
 	conf_t *conf = mddev->private;
 	int n;
@@ -255,7 +255,7 @@ static void status(struct seq_file *seq, mddev_t *mddev)
 }
 
 
-static int reshape(mddev_t *mddev)
+static int reshape(struct mddev *mddev)
 {
 	int mode = mddev->new_layout & ModeMask;
 	int count = mddev->new_layout >> ModeShift;
@@ -284,7 +284,7 @@ static int reshape(mddev_t *mddev)
 	return 0;
 }
 
-static sector_t faulty_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t faulty_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 {
 	WARN_ONCE(raid_disks,
 		  "%s does not support generic reshape\n", __func__);
@@ -295,7 +295,7 @@ static sector_t faulty_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	return sectors;
 }
 
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
 {
 	struct md_rdev *rdev;
 	int i;
@@ -325,7 +325,7 @@ static int run(mddev_t *mddev)
 	return 0;
 }
 
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
 {
 	conf_t *conf = mddev->private;
 
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 0b5cac0fda1..2e176e020ab 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -26,7 +26,7 @@
 /*
  * find which device holds a particular offset 
  */
-static inline dev_info_t *which_dev(mddev_t *mddev, sector_t sector)
+static inline dev_info_t *which_dev(struct mddev *mddev, sector_t sector)
 {
 	int lo, mid, hi;
 	linear_conf_t *conf;
@@ -63,7 +63,7 @@ static int linear_mergeable_bvec(struct request_queue *q,
 				 struct bvec_merge_data *bvm,
 				 struct bio_vec *biovec)
 {
-	mddev_t *mddev = q->queuedata;
+	struct mddev *mddev = q->queuedata;
 	dev_info_t *dev0;
 	unsigned long maxsectors, bio_sectors = bvm->bi_size >> 9;
 	sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
@@ -89,7 +89,7 @@ static int linear_mergeable_bvec(struct request_queue *q,
 
 static int linear_congested(void *data, int bits)
 {
-	mddev_t *mddev = data;
+	struct mddev *mddev = data;
 	linear_conf_t *conf;
 	int i, ret = 0;
 
@@ -108,7 +108,7 @@ static int linear_congested(void *data, int bits)
 	return ret;
 }
 
-static sector_t linear_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t linear_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 {
 	linear_conf_t *conf;
 	sector_t array_sectors;
@@ -123,7 +123,7 @@ static sector_t linear_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	return array_sectors;
 }
 
-static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
+static linear_conf_t *linear_conf(struct mddev *mddev, int raid_disks)
 {
 	linear_conf_t *conf;
 	struct md_rdev *rdev;
@@ -194,7 +194,7 @@ out:
 	return NULL;
 }
 
-static int linear_run (mddev_t *mddev)
+static int linear_run (struct mddev *mddev)
 {
 	linear_conf_t *conf;
 
@@ -213,7 +213,7 @@ static int linear_run (mddev_t *mddev)
 	return md_integrity_register(mddev);
 }
 
-static int linear_add(mddev_t *mddev, struct md_rdev *rdev)
+static int linear_add(struct mddev *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
@@ -245,7 +245,7 @@ static int linear_add(mddev_t *mddev, struct md_rdev *rdev)
 	return 0;
 }
 
-static int linear_stop (mddev_t *mddev)
+static int linear_stop (struct mddev *mddev)
 {
 	linear_conf_t *conf = mddev->private;
 
@@ -264,7 +264,7 @@ static int linear_stop (mddev_t *mddev)
 	return 0;
 }
 
-static int linear_make_request (mddev_t *mddev, struct bio *bio)
+static int linear_make_request (struct mddev *mddev, struct bio *bio)
 {
 	dev_info_t *tmp_dev;
 	sector_t start_sector;
@@ -323,7 +323,7 @@ static int linear_make_request (mddev_t *mddev, struct bio *bio)
 	return 1;
 }
 
-static void linear_status (struct seq_file *seq, mddev_t *mddev)
+static void linear_status (struct seq_file *seq, struct mddev *mddev)
 {
 
 	seq_printf(seq, " %dk rounding", mddev->chunk_sectors / 2);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e015f403d69..f378b8a39eb 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -95,13 +95,13 @@ static struct workqueue_struct *md_misc_wq;
 
 static int sysctl_speed_limit_min = 1000;
 static int sysctl_speed_limit_max = 200000;
-static inline int speed_min(mddev_t *mddev)
+static inline int speed_min(struct mddev *mddev)
 {
 	return mddev->sync_speed_min ?
 		mddev->sync_speed_min : sysctl_speed_limit_min;
 }
 
-static inline int speed_max(mddev_t *mddev)
+static inline int speed_max(struct mddev *mddev)
 {
 	return mddev->sync_speed_max ?
 		mddev->sync_speed_max : sysctl_speed_limit_max;
@@ -157,7 +157,7 @@ static int start_readonly;
 
 static void mddev_bio_destructor(struct bio *bio)
 {
-	mddev_t *mddev, **mddevp;
+	struct mddev *mddev, **mddevp;
 
 	mddevp = (void*)bio;
 	mddev = mddevp[-1];
@@ -166,10 +166,10 @@ static void mddev_bio_destructor(struct bio *bio)
 }
 
 struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
-			    mddev_t *mddev)
+			    struct mddev *mddev)
 {
 	struct bio *b;
-	mddev_t **mddevp;
+	struct mddev **mddevp;
 
 	if (!mddev || !mddev->bio_set)
 		return bio_alloc(gfp_mask, nr_iovecs);
@@ -186,10 +186,10 @@ struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
 EXPORT_SYMBOL_GPL(bio_alloc_mddev);
 
 struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
-			    mddev_t *mddev)
+			    struct mddev *mddev)
 {
 	struct bio *b;
-	mddev_t **mddevp;
+	struct mddev **mddevp;
 
 	if (!mddev || !mddev->bio_set)
 		return bio_clone(bio, gfp_mask);
@@ -278,7 +278,7 @@ EXPORT_SYMBOL_GPL(md_trim_bio);
  */
 static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters);
 static atomic_t md_event_count;
-void md_new_event(mddev_t *mddev)
+void md_new_event(struct mddev *mddev)
 {
 	atomic_inc(&md_event_count);
 	wake_up(&md_event_waiters);
@@ -288,7 +288,7 @@ EXPORT_SYMBOL_GPL(md_new_event);
 /* Alternate version that can be called from interrupts
  * when calling sysfs_notify isn't needed.
  */
-static void md_new_event_inintr(mddev_t *mddev)
+static void md_new_event_inintr(struct mddev *mddev)
 {
 	atomic_inc(&md_event_count);
 	wake_up(&md_event_waiters);
@@ -309,19 +309,19 @@ static DEFINE_SPINLOCK(all_mddevs_lock);
  * Any code which breaks out of this loop while own
  * a reference to the current mddev and must mddev_put it.
  */
-#define for_each_mddev(mddev,tmp)					\
+#define for_each_mddev(_mddev,_tmp)					\
 									\
 	for (({ spin_lock(&all_mddevs_lock); 				\
-		tmp = all_mddevs.next;					\
-		mddev = NULL;});					\
-	     ({ if (tmp != &all_mddevs)					\
-			mddev_get(list_entry(tmp, mddev_t, all_mddevs));\
+		_tmp = all_mddevs.next;					\
+		_mddev = NULL;});					\
+	     ({ if (_tmp != &all_mddevs)				\
+			mddev_get(list_entry(_tmp, struct mddev, all_mddevs));\
 		spin_unlock(&all_mddevs_lock);				\
-		if (mddev) mddev_put(mddev);				\
-		mddev = list_entry(tmp, mddev_t, all_mddevs);		\
-		tmp != &all_mddevs;});					\
+		if (_mddev) mddev_put(_mddev);				\
+		_mddev = list_entry(_tmp, struct mddev, all_mddevs);	\
+		_tmp != &all_mddevs;});					\
 	     ({ spin_lock(&all_mddevs_lock);				\
-		tmp = tmp->next;})					\
+		_tmp = _tmp->next;})					\
 		)
 
 
@@ -335,7 +335,7 @@ static DEFINE_SPINLOCK(all_mddevs_lock);
 static int md_make_request(struct request_queue *q, struct bio *bio)
 {
 	const int rw = bio_data_dir(bio);
-	mddev_t *mddev = q->queuedata;
+	struct mddev *mddev = q->queuedata;
 	int rv;
 	int cpu;
 	unsigned int sectors;
@@ -387,7 +387,7 @@ static int md_make_request(struct request_queue *q, struct bio *bio)
  * Once ->stop is called and completes, the module will be completely
  * unused.
  */
-void mddev_suspend(mddev_t *mddev)
+void mddev_suspend(struct mddev *mddev)
 {
 	BUG_ON(mddev->suspended);
 	mddev->suspended = 1;
@@ -397,7 +397,7 @@ void mddev_suspend(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(mddev_suspend);
 
-void mddev_resume(mddev_t *mddev)
+void mddev_resume(struct mddev *mddev)
 {
 	mddev->suspended = 0;
 	wake_up(&mddev->sb_wait);
@@ -408,7 +408,7 @@ void mddev_resume(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(mddev_resume);
 
-int mddev_congested(mddev_t *mddev, int bits)
+int mddev_congested(struct mddev *mddev, int bits)
 {
 	return mddev->suspended;
 }
@@ -421,7 +421,7 @@ EXPORT_SYMBOL(mddev_congested);
 static void md_end_flush(struct bio *bio, int err)
 {
 	struct md_rdev *rdev = bio->bi_private;
-	mddev_t *mddev = rdev->mddev;
+	struct mddev *mddev = rdev->mddev;
 
 	rdev_dec_pending(rdev, mddev);
 
@@ -436,7 +436,7 @@ 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);
+	struct mddev *mddev = container_of(ws, struct mddev, flush_work);
 	struct md_rdev *rdev;
 
 	INIT_WORK(&mddev->flush_work, md_submit_flush_data);
@@ -469,7 +469,7 @@ static void submit_flushes(struct work_struct *ws)
 
 static void md_submit_flush_data(struct work_struct *ws)
 {
-	mddev_t *mddev = container_of(ws, mddev_t, flush_work);
+	struct mddev *mddev = container_of(ws, struct mddev, flush_work);
 	struct bio *bio = mddev->flush_bio;
 
 	if (bio->bi_size == 0)
@@ -485,7 +485,7 @@ static void md_submit_flush_data(struct work_struct *ws)
 	wake_up(&mddev->sb_wait);
 }
 
-void md_flush_request(mddev_t *mddev, struct bio *bio)
+void md_flush_request(struct mddev *mddev, struct bio *bio)
 {
 	spin_lock_irq(&mddev->write_lock);
 	wait_event_lock_irq(mddev->sb_wait,
@@ -509,7 +509,7 @@ EXPORT_SYMBOL(md_flush_request);
  */
 struct md_plug_cb {
 	struct blk_plug_cb cb;
-	mddev_t *mddev;
+	struct mddev *mddev;
 };
 
 static void plugger_unplug(struct blk_plug_cb *cb)
@@ -523,7 +523,7 @@ static void plugger_unplug(struct blk_plug_cb *cb)
 /* Check that an unplug wakeup will come shortly.
  * If not, wakeup the md thread immediately
  */
-int mddev_check_plugged(mddev_t *mddev)
+int mddev_check_plugged(struct mddev *mddev)
 {
 	struct blk_plug *plug = current->plug;
 	struct md_plug_cb *mdcb;
@@ -555,7 +555,7 @@ int mddev_check_plugged(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(mddev_check_plugged);
 
-static inline mddev_t *mddev_get(mddev_t *mddev)
+static inline struct mddev *mddev_get(struct mddev *mddev)
 {
 	atomic_inc(&mddev->active);
 	return mddev;
@@ -563,7 +563,7 @@ static inline mddev_t *mddev_get(mddev_t *mddev)
 
 static void mddev_delayed_delete(struct work_struct *ws);
 
-static void mddev_put(mddev_t *mddev)
+static void mddev_put(struct mddev *mddev)
 {
 	struct bio_set *bs = NULL;
 
@@ -592,7 +592,7 @@ static void mddev_put(mddev_t *mddev)
 		bioset_free(bs);
 }
 
-void mddev_init(mddev_t *mddev)
+void mddev_init(struct mddev *mddev)
 {
 	mutex_init(&mddev->open_mutex);
 	mutex_init(&mddev->reconfig_mutex);
@@ -615,9 +615,9 @@ void mddev_init(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(mddev_init);
 
-static mddev_t * mddev_find(dev_t unit)
+static struct mddev * mddev_find(dev_t unit)
 {
-	mddev_t *mddev, *new = NULL;
+	struct mddev *mddev, *new = NULL;
 
 	if (unit && MAJOR(unit) != MD_MAJOR)
 		unit &= ~((1<<MdpMinorShift)-1);
@@ -689,24 +689,24 @@ static mddev_t * mddev_find(dev_t unit)
 	goto retry;
 }
 
-static inline int mddev_lock(mddev_t * mddev)
+static inline int mddev_lock(struct mddev * mddev)
 {
 	return mutex_lock_interruptible(&mddev->reconfig_mutex);
 }
 
-static inline int mddev_is_locked(mddev_t *mddev)
+static inline int mddev_is_locked(struct mddev *mddev)
 {
 	return mutex_is_locked(&mddev->reconfig_mutex);
 }
 
-static inline int mddev_trylock(mddev_t * mddev)
+static inline int mddev_trylock(struct mddev * mddev)
 {
 	return mutex_trylock(&mddev->reconfig_mutex);
 }
 
 static struct attribute_group md_redundancy_group;
 
-static void mddev_unlock(mddev_t * mddev)
+static void mddev_unlock(struct mddev * mddev)
 {
 	if (mddev->to_remove) {
 		/* These cannot be removed under reconfig_mutex as
@@ -749,7 +749,7 @@ static void mddev_unlock(mddev_t * mddev)
 	spin_unlock(&pers_lock);
 }
 
-static struct md_rdev * find_rdev_nr(mddev_t *mddev, int nr)
+static struct md_rdev * find_rdev_nr(struct mddev *mddev, int nr)
 {
 	struct md_rdev *rdev;
 
@@ -760,7 +760,7 @@ static struct md_rdev * find_rdev_nr(mddev_t *mddev, int nr)
 	return NULL;
 }
 
-static struct md_rdev * find_rdev(mddev_t * mddev, dev_t dev)
+static struct md_rdev * find_rdev(struct mddev * mddev, dev_t dev)
 {
 	struct md_rdev *rdev;
 
@@ -823,7 +823,7 @@ static void free_disk_sb(struct md_rdev * rdev)
 static void super_written(struct bio *bio, int error)
 {
 	struct md_rdev *rdev = bio->bi_private;
-	mddev_t *mddev = rdev->mddev;
+	struct mddev *mddev = rdev->mddev;
 
 	if (error || !test_bit(BIO_UPTODATE, &bio->bi_flags)) {
 		printk("md: super_written gets error=%d, uptodate=%d\n",
@@ -837,7 +837,7 @@ static void super_written(struct bio *bio, int error)
 	bio_put(bio);
 }
 
-void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
+void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
 		   sector_t sector, int size, struct page *page)
 {
 	/* write first size bytes of page to sector of rdev
@@ -858,7 +858,7 @@ void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
 	submit_bio(WRITE_FLUSH_FUA, bio);
 }
 
-void md_super_wait(mddev_t *mddev)
+void md_super_wait(struct mddev *mddev)
 {
 	/* wait for all superblock writes that were scheduled to complete */
 	DEFINE_WAIT(wq);
@@ -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, struct md_rdev *dev)
+ *   int validate_super(struct mddev *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, struct md_rdev *dev)
+ *   void sync_super(struct mddev *mddev, struct md_rdev *dev)
  *     Update the superblock for rdev with data in mddev
  *     This does not write to disc.
  *
@@ -1038,8 +1038,8 @@ struct super_type  {
 	struct module	    *owner;
 	int		    (*load_super)(struct md_rdev *rdev, struct md_rdev *refdev,
 					  int minor_version);
-	int		    (*validate_super)(mddev_t *mddev, struct md_rdev *rdev);
-	void		    (*sync_super)(mddev_t *mddev, struct md_rdev *rdev);
+	int		    (*validate_super)(struct mddev *mddev, struct md_rdev *rdev);
+	void		    (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);
 	unsigned long long  (*rdev_size_change)(struct md_rdev *rdev,
 						sector_t num_sectors);
 };
@@ -1052,7 +1052,7 @@ struct super_type  {
  * has a bitmap. Otherwise, it returns 0.
  *
  */
-int md_check_no_bitmap(mddev_t *mddev)
+int md_check_no_bitmap(struct mddev *mddev)
 {
 	if (!mddev->bitmap_info.file && !mddev->bitmap_info.offset)
 		return 0;
@@ -1160,7 +1160,7 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor
 /*
  * validate_super for 0.90.0
  */
-static int super_90_validate(mddev_t *mddev, struct md_rdev *rdev)
+static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev)
 {
 	mdp_disk_t *desc;
 	mdp_super_t *sb = page_address(rdev->sb_page);
@@ -1272,7 +1272,7 @@ static int super_90_validate(mddev_t *mddev, struct md_rdev *rdev)
 /*
  * sync_super for 0.90.0
  */
-static void super_90_sync(mddev_t *mddev, struct md_rdev *rdev)
+static void super_90_sync(struct mddev *mddev, struct md_rdev *rdev)
 {
 	mdp_super_t *sb;
 	struct md_rdev *rdev2;
@@ -1622,7 +1622,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
 	return ret;
 }
 
-static int super_1_validate(mddev_t *mddev, struct md_rdev *rdev)
+static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
 {
 	struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
 	__u64 ev1 = le64_to_cpu(sb->events);
@@ -1723,7 +1723,7 @@ static int super_1_validate(mddev_t *mddev, struct md_rdev *rdev)
 	return 0;
 }
 
-static void super_1_sync(mddev_t *mddev, struct md_rdev *rdev)
+static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
 {
 	struct mdp_superblock_1 *sb;
 	struct md_rdev *rdev2;
@@ -1902,7 +1902,7 @@ static struct super_type super_types[] = {
 	},
 };
 
-static void sync_super(mddev_t *mddev, struct md_rdev *rdev)
+static void sync_super(struct mddev *mddev, struct md_rdev *rdev)
 {
 	if (mddev->sync_super) {
 		mddev->sync_super(mddev, rdev);
@@ -1914,7 +1914,7 @@ static void sync_super(mddev_t *mddev, struct md_rdev *rdev)
 	super_types[mddev->major_version].sync_super(mddev, rdev);
 }
 
-static int match_mddev_units(mddev_t *mddev1, mddev_t *mddev2)
+static int match_mddev_units(struct mddev *mddev1, struct mddev *mddev2)
 {
 	struct md_rdev *rdev, *rdev2;
 
@@ -1939,7 +1939,7 @@ static LIST_HEAD(pending_raid_disks);
  * from the array. It only succeeds if all working and active component devices
  * are integrity capable with matching profiles.
  */
-int md_integrity_register(mddev_t *mddev)
+int md_integrity_register(struct mddev *mddev)
 {
 	struct md_rdev *rdev, *reference = NULL;
 
@@ -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(struct md_rdev *rdev, mddev_t *mddev)
+void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *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(struct md_rdev *rdev, mddev_t *mddev)
 }
 EXPORT_SYMBOL(md_integrity_add_rdev);
 
-static int bind_rdev_to_array(struct md_rdev * rdev, mddev_t * mddev)
+static int bind_rdev_to_array(struct md_rdev * rdev, struct mddev * mddev)
 {
 	char b[BDEVNAME_SIZE];
 	struct kobject *ko;
@@ -2170,7 +2170,7 @@ static void kick_rdev_from_array(struct md_rdev * rdev)
 	export_rdev(rdev);
 }
 
-static void export_array(mddev_t *mddev)
+static void export_array(struct mddev *mddev)
 {
 	struct md_rdev *rdev, *tmp;
 
@@ -2293,7 +2293,7 @@ static void md_print_devices(void)
 {
 	struct list_head *tmp;
 	struct md_rdev *rdev;
-	mddev_t *mddev;
+	struct mddev *mddev;
 	char b[BDEVNAME_SIZE];
 
 	printk("\n");
@@ -2318,7 +2318,7 @@ static void md_print_devices(void)
 }
 
 
-static void sync_sbs(mddev_t * mddev, int nospares)
+static void sync_sbs(struct mddev * mddev, int nospares)
 {
 	/* Update each superblock (in-memory image), but
 	 * if we are allowed to, skip spares which already
@@ -2341,7 +2341,7 @@ static void sync_sbs(mddev_t * mddev, int nospares)
 	}
 }
 
-static void md_update_sb(mddev_t * mddev, int force_change)
+static void md_update_sb(struct mddev * mddev, int force_change)
 {
 	struct md_rdev *rdev;
 	int sync_req;
@@ -2586,7 +2586,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len)
 		if (rdev->raid_disk >= 0)
 			err = -EBUSY;
 		else {
-			mddev_t *mddev = rdev->mddev;
+			struct mddev *mddev = rdev->mddev;
 			kick_rdev_from_array(rdev);
 			if (mddev->pers)
 				md_update_sb(mddev, 1);
@@ -2814,7 +2814,7 @@ static int strict_blocks_to_sectors(const char *buf, sector_t *sectors)
 static ssize_t
 rdev_size_store(struct md_rdev *rdev, const char *buf, size_t len)
 {
-	mddev_t *my_mddev = rdev->mddev;
+	struct mddev *my_mddev = rdev->mddev;
 	sector_t oldsectors = rdev->sectors;
 	sector_t sectors;
 
@@ -2840,7 +2840,7 @@ rdev_size_store(struct md_rdev *rdev, const char *buf, size_t len)
 		 * a deadlock.  We have already changed rdev->sectors, and if
 		 * we have to change it back, we will have the lock again.
 		 */
-		mddev_t *mddev;
+		struct mddev *mddev;
 		int overlap = 0;
 		struct list_head *tmp;
 
@@ -2967,7 +2967,7 @@ rdev_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 {
 	struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
 	struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
-	mddev_t *mddev = rdev->mddev;
+	struct mddev *mddev = rdev->mddev;
 	ssize_t rv;
 
 	if (!entry->show)
@@ -2991,7 +2991,7 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr,
 	struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
 	struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
 	ssize_t rv;
-	mddev_t *mddev = rdev->mddev;
+	struct mddev *mddev = rdev->mddev;
 
 	if (!entry->store)
 		return -EIO;
@@ -3139,7 +3139,7 @@ abort_free:
  */
 
 
-static void analyze_sbs(mddev_t * mddev)
+static void analyze_sbs(struct mddev * mddev)
 {
 	int i;
 	struct md_rdev *rdev, *freshest, *tmp;
@@ -3242,13 +3242,13 @@ int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale)
 static void md_safemode_timeout(unsigned long data);
 
 static ssize_t
-safe_delay_show(mddev_t *mddev, char *page)
+safe_delay_show(struct mddev *mddev, char *page)
 {
 	int msec = (mddev->safemode_delay*1000)/HZ;
 	return sprintf(page, "%d.%03d\n", msec/1000, msec%1000);
 }
 static ssize_t
-safe_delay_store(mddev_t *mddev, const char *cbuf, size_t len)
+safe_delay_store(struct mddev *mddev, const char *cbuf, size_t len)
 {
 	unsigned long msec;
 
@@ -3270,7 +3270,7 @@ static struct md_sysfs_entry md_safe_delay =
 __ATTR(safe_mode_delay, S_IRUGO|S_IWUSR,safe_delay_show, safe_delay_store);
 
 static ssize_t
-level_show(mddev_t *mddev, char *page)
+level_show(struct mddev *mddev, char *page)
 {
 	struct mdk_personality *p = mddev->pers;
 	if (p)
@@ -3284,7 +3284,7 @@ level_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-level_store(mddev_t *mddev, const char *buf, size_t len)
+level_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char clevel[16];
 	ssize_t rv = len;
@@ -3465,7 +3465,7 @@ __ATTR(level, S_IRUGO|S_IWUSR, level_show, level_store);
 
 
 static ssize_t
-layout_show(mddev_t *mddev, char *page)
+layout_show(struct mddev *mddev, char *page)
 {
 	/* just a number, not meaningful for all levels */
 	if (mddev->reshape_position != MaxSector &&
@@ -3476,7 +3476,7 @@ layout_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-layout_store(mddev_t *mddev, const char *buf, size_t len)
+layout_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long n = simple_strtoul(buf, &e, 10);
@@ -3506,7 +3506,7 @@ __ATTR(layout, S_IRUGO|S_IWUSR, layout_show, layout_store);
 
 
 static ssize_t
-raid_disks_show(mddev_t *mddev, char *page)
+raid_disks_show(struct mddev *mddev, char *page)
 {
 	if (mddev->raid_disks == 0)
 		return 0;
@@ -3517,10 +3517,10 @@ raid_disks_show(mddev_t *mddev, char *page)
 	return sprintf(page, "%d\n", mddev->raid_disks);
 }
 
-static int update_raid_disks(mddev_t *mddev, int raid_disks);
+static int update_raid_disks(struct mddev *mddev, int raid_disks);
 
 static ssize_t
-raid_disks_store(mddev_t *mddev, const char *buf, size_t len)
+raid_disks_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	int rv = 0;
@@ -3543,7 +3543,7 @@ static struct md_sysfs_entry md_raid_disks =
 __ATTR(raid_disks, S_IRUGO|S_IWUSR, raid_disks_show, raid_disks_store);
 
 static ssize_t
-chunk_size_show(mddev_t *mddev, char *page)
+chunk_size_show(struct mddev *mddev, char *page)
 {
 	if (mddev->reshape_position != MaxSector &&
 	    mddev->chunk_sectors != mddev->new_chunk_sectors)
@@ -3554,7 +3554,7 @@ chunk_size_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-chunk_size_store(mddev_t *mddev, const char *buf, size_t len)
+chunk_size_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long n = simple_strtoul(buf, &e, 10);
@@ -3583,7 +3583,7 @@ static struct md_sysfs_entry md_chunk_size =
 __ATTR(chunk_size, S_IRUGO|S_IWUSR, chunk_size_show, chunk_size_store);
 
 static ssize_t
-resync_start_show(mddev_t *mddev, char *page)
+resync_start_show(struct mddev *mddev, char *page)
 {
 	if (mddev->recovery_cp == MaxSector)
 		return sprintf(page, "none\n");
@@ -3591,7 +3591,7 @@ resync_start_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-resync_start_store(mddev_t *mddev, const char *buf, size_t len)
+resync_start_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long long n = simple_strtoull(buf, &e, 10);
@@ -3661,7 +3661,7 @@ static int match_word(const char *word, char **list)
 }
 
 static ssize_t
-array_state_show(mddev_t *mddev, char *page)
+array_state_show(struct mddev *mddev, char *page)
 {
 	enum array_state st = inactive;
 
@@ -3694,13 +3694,13 @@ array_state_show(mddev_t *mddev, char *page)
 	return sprintf(page, "%s\n", array_states[st]);
 }
 
-static int do_md_stop(mddev_t * mddev, int ro, int is_open);
-static int md_set_readonly(mddev_t * mddev, int is_open);
-static int do_md_run(mddev_t * mddev);
-static int restart_array(mddev_t *mddev);
+static int do_md_stop(struct mddev * mddev, int ro, int is_open);
+static int md_set_readonly(struct mddev * mddev, int is_open);
+static int do_md_run(struct mddev * mddev);
+static int restart_array(struct mddev *mddev);
 
 static ssize_t
-array_state_store(mddev_t *mddev, const char *buf, size_t len)
+array_state_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	int err = -EINVAL;
 	enum array_state st = match_word(buf, array_states);
@@ -3794,13 +3794,13 @@ static struct md_sysfs_entry md_array_state =
 __ATTR(array_state, S_IRUGO|S_IWUSR, array_state_show, array_state_store);
 
 static ssize_t
-max_corrected_read_errors_show(mddev_t *mddev, char *page) {
+max_corrected_read_errors_show(struct mddev *mddev, char *page) {
 	return sprintf(page, "%d\n",
 		       atomic_read(&mddev->max_corr_read_errors));
 }
 
 static ssize_t
-max_corrected_read_errors_store(mddev_t *mddev, const char *buf, size_t len)
+max_corrected_read_errors_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long n = simple_strtoul(buf, &e, 10);
@@ -3817,13 +3817,13 @@ __ATTR(max_read_errors, S_IRUGO|S_IWUSR, max_corrected_read_errors_show,
 	max_corrected_read_errors_store);
 
 static ssize_t
-null_show(mddev_t *mddev, char *page)
+null_show(struct mddev *mddev, char *page)
 {
 	return -EINVAL;
 }
 
 static ssize_t
-new_dev_store(mddev_t *mddev, const char *buf, size_t len)
+new_dev_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	/* buf must be %d:%d\n? giving major and minor numbers */
 	/* The new device is added to the array.
@@ -3880,7 +3880,7 @@ static struct md_sysfs_entry md_new_device =
 __ATTR(new_dev, S_IWUSR, null_show, new_dev_store);
 
 static ssize_t
-bitmap_store(mddev_t *mddev, const char *buf, size_t len)
+bitmap_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *end;
 	unsigned long chunk, end_chunk;
@@ -3909,16 +3909,16 @@ static struct md_sysfs_entry md_bitmap =
 __ATTR(bitmap_set_bits, S_IWUSR, null_show, bitmap_store);
 
 static ssize_t
-size_show(mddev_t *mddev, char *page)
+size_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%llu\n",
 		(unsigned long long)mddev->dev_sectors / 2);
 }
 
-static int update_size(mddev_t *mddev, sector_t num_sectors);
+static int update_size(struct mddev *mddev, sector_t num_sectors);
 
 static ssize_t
-size_store(mddev_t *mddev, const char *buf, size_t len)
+size_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	/* If array is inactive, we can reduce the component size, but
 	 * not increase it (except from 0).
@@ -3953,7 +3953,7 @@ __ATTR(component_size, S_IRUGO|S_IWUSR, size_show, size_store);
  * or N.M for internally known formats
  */
 static ssize_t
-metadata_show(mddev_t *mddev, char *page)
+metadata_show(struct mddev *mddev, char *page)
 {
 	if (mddev->persistent)
 		return sprintf(page, "%d.%d\n",
@@ -3965,7 +3965,7 @@ metadata_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-metadata_store(mddev_t *mddev, const char *buf, size_t len)
+metadata_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	int major, minor;
 	char *e;
@@ -4019,7 +4019,7 @@ static struct md_sysfs_entry md_metadata =
 __ATTR(metadata_version, S_IRUGO|S_IWUSR, metadata_show, metadata_store);
 
 static ssize_t
-action_show(mddev_t *mddev, char *page)
+action_show(struct mddev *mddev, char *page)
 {
 	char *type = "idle";
 	if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
@@ -4041,10 +4041,10 @@ action_show(mddev_t *mddev, char *page)
 	return sprintf(page, "%s\n", type);
 }
 
-static void reap_sync_thread(mddev_t *mddev);
+static void reap_sync_thread(struct mddev *mddev);
 
 static ssize_t
-action_store(mddev_t *mddev, const char *page, size_t len)
+action_store(struct mddev *mddev, const char *page, size_t len)
 {
 	if (!mddev->pers || !mddev->pers->sync_request)
 		return -EINVAL;
@@ -4090,7 +4090,7 @@ action_store(mddev_t *mddev, const char *page, size_t len)
 }
 
 static ssize_t
-mismatch_cnt_show(mddev_t *mddev, char *page)
+mismatch_cnt_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%llu\n",
 		       (unsigned long long) mddev->resync_mismatches);
@@ -4103,14 +4103,14 @@ __ATTR(sync_action, S_IRUGO|S_IWUSR, action_show, action_store);
 static struct md_sysfs_entry md_mismatches = __ATTR_RO(mismatch_cnt);
 
 static ssize_t
-sync_min_show(mddev_t *mddev, char *page)
+sync_min_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%d (%s)\n", speed_min(mddev),
 		       mddev->sync_speed_min ? "local": "system");
 }
 
 static ssize_t
-sync_min_store(mddev_t *mddev, const char *buf, size_t len)
+sync_min_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	int min;
 	char *e;
@@ -4129,14 +4129,14 @@ static struct md_sysfs_entry md_sync_min =
 __ATTR(sync_speed_min, S_IRUGO|S_IWUSR, sync_min_show, sync_min_store);
 
 static ssize_t
-sync_max_show(mddev_t *mddev, char *page)
+sync_max_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%d (%s)\n", speed_max(mddev),
 		       mddev->sync_speed_max ? "local": "system");
 }
 
 static ssize_t
-sync_max_store(mddev_t *mddev, const char *buf, size_t len)
+sync_max_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	int max;
 	char *e;
@@ -4155,20 +4155,20 @@ static struct md_sysfs_entry md_sync_max =
 __ATTR(sync_speed_max, S_IRUGO|S_IWUSR, sync_max_show, sync_max_store);
 
 static ssize_t
-degraded_show(mddev_t *mddev, char *page)
+degraded_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%d\n", mddev->degraded);
 }
 static struct md_sysfs_entry md_degraded = __ATTR_RO(degraded);
 
 static ssize_t
-sync_force_parallel_show(mddev_t *mddev, char *page)
+sync_force_parallel_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%d\n", mddev->parallel_resync);
 }
 
 static ssize_t
-sync_force_parallel_store(mddev_t *mddev, const char *buf, size_t len)
+sync_force_parallel_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	long n;
 
@@ -4192,7 +4192,7 @@ __ATTR(sync_force_parallel, S_IRUGO|S_IWUSR,
        sync_force_parallel_show, sync_force_parallel_store);
 
 static ssize_t
-sync_speed_show(mddev_t *mddev, char *page)
+sync_speed_show(struct mddev *mddev, char *page)
 {
 	unsigned long resync, dt, db;
 	if (mddev->curr_resync == 0)
@@ -4207,7 +4207,7 @@ sync_speed_show(mddev_t *mddev, char *page)
 static struct md_sysfs_entry md_sync_speed = __ATTR_RO(sync_speed);
 
 static ssize_t
-sync_completed_show(mddev_t *mddev, char *page)
+sync_completed_show(struct mddev *mddev, char *page)
 {
 	unsigned long long max_sectors, resync;
 
@@ -4226,13 +4226,13 @@ sync_completed_show(mddev_t *mddev, char *page)
 static struct md_sysfs_entry md_sync_completed = __ATTR_RO(sync_completed);
 
 static ssize_t
-min_sync_show(mddev_t *mddev, char *page)
+min_sync_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%llu\n",
 		       (unsigned long long)mddev->resync_min);
 }
 static ssize_t
-min_sync_store(mddev_t *mddev, const char *buf, size_t len)
+min_sync_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	unsigned long long min;
 	if (strict_strtoull(buf, 10, &min))
@@ -4257,7 +4257,7 @@ static struct md_sysfs_entry md_min_sync =
 __ATTR(sync_min, S_IRUGO|S_IWUSR, min_sync_show, min_sync_store);
 
 static ssize_t
-max_sync_show(mddev_t *mddev, char *page)
+max_sync_show(struct mddev *mddev, char *page)
 {
 	if (mddev->resync_max == MaxSector)
 		return sprintf(page, "max\n");
@@ -4266,7 +4266,7 @@ max_sync_show(mddev_t *mddev, char *page)
 			       (unsigned long long)mddev->resync_max);
 }
 static ssize_t
-max_sync_store(mddev_t *mddev, const char *buf, size_t len)
+max_sync_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	if (strncmp(buf, "max", 3) == 0)
 		mddev->resync_max = MaxSector;
@@ -4297,13 +4297,13 @@ static struct md_sysfs_entry md_max_sync =
 __ATTR(sync_max, S_IRUGO|S_IWUSR, max_sync_show, max_sync_store);
 
 static ssize_t
-suspend_lo_show(mddev_t *mddev, char *page)
+suspend_lo_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%llu\n", (unsigned long long)mddev->suspend_lo);
 }
 
 static ssize_t
-suspend_lo_store(mddev_t *mddev, const char *buf, size_t len)
+suspend_lo_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long long new = simple_strtoull(buf, &e, 10);
@@ -4331,13 +4331,13 @@ __ATTR(suspend_lo, S_IRUGO|S_IWUSR, suspend_lo_show, suspend_lo_store);
 
 
 static ssize_t
-suspend_hi_show(mddev_t *mddev, char *page)
+suspend_hi_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%llu\n", (unsigned long long)mddev->suspend_hi);
 }
 
 static ssize_t
-suspend_hi_store(mddev_t *mddev, const char *buf, size_t len)
+suspend_hi_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long long new = simple_strtoull(buf, &e, 10);
@@ -4364,7 +4364,7 @@ static struct md_sysfs_entry md_suspend_hi =
 __ATTR(suspend_hi, S_IRUGO|S_IWUSR, suspend_hi_show, suspend_hi_store);
 
 static ssize_t
-reshape_position_show(mddev_t *mddev, char *page)
+reshape_position_show(struct mddev *mddev, char *page)
 {
 	if (mddev->reshape_position != MaxSector)
 		return sprintf(page, "%llu\n",
@@ -4374,7 +4374,7 @@ reshape_position_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-reshape_position_store(mddev_t *mddev, const char *buf, size_t len)
+reshape_position_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	char *e;
 	unsigned long long new = simple_strtoull(buf, &e, 10);
@@ -4395,7 +4395,7 @@ __ATTR(reshape_position, S_IRUGO|S_IWUSR, reshape_position_show,
        reshape_position_store);
 
 static ssize_t
-array_size_show(mddev_t *mddev, char *page)
+array_size_show(struct mddev *mddev, char *page)
 {
 	if (mddev->external_size)
 		return sprintf(page, "%llu\n",
@@ -4405,7 +4405,7 @@ array_size_show(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-array_size_store(mddev_t *mddev, const char *buf, size_t len)
+array_size_store(struct mddev *mddev, const char *buf, size_t len)
 {
 	sector_t sectors;
 
@@ -4480,7 +4480,7 @@ static ssize_t
 md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 {
 	struct md_sysfs_entry *entry = container_of(attr, struct md_sysfs_entry, attr);
-	mddev_t *mddev = container_of(kobj, struct mddev_s, kobj);
+	struct mddev *mddev = container_of(kobj, struct mddev, kobj);
 	ssize_t rv;
 
 	if (!entry->show)
@@ -4498,7 +4498,7 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
 	      const char *page, size_t length)
 {
 	struct md_sysfs_entry *entry = container_of(attr, struct md_sysfs_entry, attr);
-	mddev_t *mddev = container_of(kobj, struct mddev_s, kobj);
+	struct mddev *mddev = container_of(kobj, struct mddev, kobj);
 	ssize_t rv;
 
 	if (!entry->store)
@@ -4517,7 +4517,7 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
 
 static void md_free(struct kobject *ko)
 {
-	mddev_t *mddev = container_of(ko, mddev_t, kobj);
+	struct mddev *mddev = container_of(ko, struct mddev, kobj);
 
 	if (mddev->sysfs_state)
 		sysfs_put(mddev->sysfs_state);
@@ -4546,7 +4546,7 @@ int mdp_major = 0;
 
 static void mddev_delayed_delete(struct work_struct *ws)
 {
-	mddev_t *mddev = container_of(ws, mddev_t, del_work);
+	struct mddev *mddev = container_of(ws, struct mddev, del_work);
 
 	sysfs_remove_group(&mddev->kobj, &md_bitmap_group);
 	kobject_del(&mddev->kobj);
@@ -4556,7 +4556,7 @@ static void mddev_delayed_delete(struct work_struct *ws)
 static int md_alloc(dev_t dev, char *name)
 {
 	static DEFINE_MUTEX(disks_mutex);
-	mddev_t *mddev = mddev_find(dev);
+	struct mddev *mddev = mddev_find(dev);
 	struct gendisk *disk;
 	int partitioned;
 	int shift;
@@ -4583,7 +4583,7 @@ static int md_alloc(dev_t dev, char *name)
 	if (name) {
 		/* Need to ensure that 'name' is not a duplicate.
 		 */
-		mddev_t *mddev2;
+		struct mddev *mddev2;
 		spin_lock(&all_mddevs_lock);
 
 		list_for_each_entry(mddev2, &all_mddevs, all_mddevs)
@@ -4684,7 +4684,7 @@ static int add_named_array(const char *val, struct kernel_param *kp)
 
 static void md_safemode_timeout(unsigned long data)
 {
-	mddev_t *mddev = (mddev_t *) data;
+	struct mddev *mddev = (struct mddev *) data;
 
 	if (!atomic_read(&mddev->writes_pending)) {
 		mddev->safemode = 1;
@@ -4696,7 +4696,7 @@ static void md_safemode_timeout(unsigned long data)
 
 static int start_dirty_degraded;
 
-int md_run(mddev_t *mddev)
+int md_run(struct mddev *mddev)
 {
 	int err;
 	struct md_rdev *rdev;
@@ -4764,7 +4764,7 @@ int md_run(mddev_t *mddev)
 
 	if (mddev->bio_set == NULL)
 		mddev->bio_set = bioset_create(BIO_POOL_SIZE,
-					       sizeof(mddev_t *));
+					       sizeof(struct mddev *));
 
 	spin_lock(&pers_lock);
 	pers = find_pers(mddev->level, mddev->clevel);
@@ -4898,7 +4898,7 @@ int md_run(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(md_run);
 
-static int do_md_run(mddev_t *mddev)
+static int do_md_run(struct mddev *mddev)
 {
 	int err;
 
@@ -4922,7 +4922,7 @@ out:
 	return err;
 }
 
-static int restart_array(mddev_t *mddev)
+static int restart_array(struct mddev *mddev)
 {
 	struct gendisk *disk = mddev->gendisk;
 
@@ -4972,7 +4972,7 @@ void restore_bitmap_write_access(struct file *file)
 	spin_unlock(&inode->i_lock);
 }
 
-static void md_clean(mddev_t *mddev)
+static void md_clean(struct mddev *mddev)
 {
 	mddev->array_sectors = 0;
 	mddev->external_size = 0;
@@ -5015,7 +5015,7 @@ static void md_clean(mddev_t *mddev)
 	mddev->bitmap_info.max_write_behind = 0;
 }
 
-static void __md_stop_writes(mddev_t *mddev)
+static void __md_stop_writes(struct mddev *mddev)
 {
 	if (mddev->sync_thread) {
 		set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
@@ -5035,7 +5035,7 @@ static void __md_stop_writes(mddev_t *mddev)
 	}
 }
 
-void md_stop_writes(mddev_t *mddev)
+void md_stop_writes(struct mddev *mddev)
 {
 	mddev_lock(mddev);
 	__md_stop_writes(mddev);
@@ -5043,7 +5043,7 @@ void md_stop_writes(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(md_stop_writes);
 
-void md_stop(mddev_t *mddev)
+void md_stop(struct mddev *mddev)
 {
 	mddev->ready = 0;
 	mddev->pers->stop(mddev);
@@ -5055,7 +5055,7 @@ void md_stop(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(md_stop);
 
-static int md_set_readonly(mddev_t *mddev, int is_open)
+static int md_set_readonly(struct mddev *mddev, int is_open)
 {
 	int err = 0;
 	mutex_lock(&mddev->open_mutex);
@@ -5085,7 +5085,7 @@ out:
  *   0 - completely stop and dis-assemble array
  *   2 - stop but do not disassemble array
  */
-static int do_md_stop(mddev_t * mddev, int mode, int is_open)
+static int do_md_stop(struct mddev * mddev, int mode, int is_open)
 {
 	struct gendisk *disk = mddev->gendisk;
 	struct md_rdev *rdev;
@@ -5151,7 +5151,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 }
 
 #ifndef MODULE
-static void autorun_array(mddev_t *mddev)
+static void autorun_array(struct mddev *mddev)
 {
 	struct md_rdev *rdev;
 	int err;
@@ -5189,7 +5189,7 @@ static void autorun_array(mddev_t *mddev)
 static void autorun_devices(int part)
 {
 	struct md_rdev *rdev0, *rdev, *tmp;
-	mddev_t *mddev;
+	struct mddev *mddev;
 	char b[BDEVNAME_SIZE];
 
 	printk(KERN_INFO "md: autorun ...\n");
@@ -5284,7 +5284,7 @@ static int get_version(void __user * arg)
 	return 0;
 }
 
-static int get_array_info(mddev_t * mddev, void __user * arg)
+static int get_array_info(struct mddev * mddev, void __user * arg)
 {
 	mdu_array_info_t info;
 	int nr,working,insync,failed,spare;
@@ -5337,7 +5337,7 @@ static int get_array_info(mddev_t * mddev, void __user * arg)
 	return 0;
 }
 
-static int get_bitmap_file(mddev_t * mddev, void __user * arg)
+static int get_bitmap_file(struct mddev * mddev, void __user * arg)
 {
 	mdu_bitmap_file_t *file = NULL; /* too big for stack allocation */
 	char *ptr, *buf = NULL;
@@ -5377,7 +5377,7 @@ out:
 	return err;
 }
 
-static int get_disk_info(mddev_t * mddev, void __user * arg)
+static int get_disk_info(struct mddev * mddev, void __user * arg)
 {
 	mdu_disk_info_t info;
 	struct md_rdev *rdev;
@@ -5411,7 +5411,7 @@ static int get_disk_info(mddev_t * mddev, void __user * arg)
 	return 0;
 }
 
-static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
+static int add_new_disk(struct mddev * mddev, mdu_disk_info_t *info)
 {
 	char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
 	struct md_rdev *rdev;
@@ -5583,7 +5583,7 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 	return 0;
 }
 
-static int hot_remove_disk(mddev_t * mddev, dev_t dev)
+static int hot_remove_disk(struct mddev * mddev, dev_t dev)
 {
 	char b[BDEVNAME_SIZE];
 	struct md_rdev *rdev;
@@ -5606,7 +5606,7 @@ busy:
 	return -EBUSY;
 }
 
-static int hot_add_disk(mddev_t * mddev, dev_t dev)
+static int hot_add_disk(struct mddev * mddev, dev_t dev)
 {
 	char b[BDEVNAME_SIZE];
 	int err;
@@ -5680,7 +5680,7 @@ abort_export:
 	return err;
 }
 
-static int set_bitmap_file(mddev_t *mddev, int fd)
+static int set_bitmap_file(struct mddev *mddev, int fd)
 {
 	int err;
 
@@ -5753,7 +5753,7 @@ static int set_bitmap_file(mddev_t *mddev, int fd)
  *  The minor and patch _version numbers are also kept incase the
  *  super_block handler wishes to interpret them.
  */
-static int set_array_info(mddev_t * mddev, mdu_array_info_t *info)
+static int set_array_info(struct mddev * mddev, mdu_array_info_t *info)
 {
 
 	if (info->raid_disks == 0) {
@@ -5823,7 +5823,7 @@ static int set_array_info(mddev_t * mddev, mdu_array_info_t *info)
 	return 0;
 }
 
-void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors)
+void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors)
 {
 	WARN(!mddev_is_locked(mddev), "%s: unlocked mddev!\n", __func__);
 
@@ -5834,7 +5834,7 @@ void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors)
 }
 EXPORT_SYMBOL(md_set_array_sectors);
 
-static int update_size(mddev_t *mddev, sector_t num_sectors)
+static int update_size(struct mddev *mddev, sector_t num_sectors)
 {
 	struct md_rdev *rdev;
 	int rv;
@@ -5872,7 +5872,7 @@ static int update_size(mddev_t *mddev, sector_t num_sectors)
 	return rv;
 }
 
-static int update_raid_disks(mddev_t *mddev, int raid_disks)
+static int update_raid_disks(struct mddev *mddev, int raid_disks)
 {
 	int rv;
 	/* change the number of raid disks */
@@ -5900,7 +5900,7 @@ static int update_raid_disks(mddev_t *mddev, int raid_disks)
  * Any differences that cannot be handled will cause an error.
  * Normally, only one change can be managed at a time.
  */
-static int update_array_info(mddev_t *mddev, mdu_array_info_t *info)
+static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
 {
 	int rv = 0;
 	int cnt = 0;
@@ -5993,7 +5993,7 @@ static int update_array_info(mddev_t *mddev, mdu_array_info_t *info)
 	return rv;
 }
 
-static int set_disk_faulty(mddev_t *mddev, dev_t dev)
+static int set_disk_faulty(struct mddev *mddev, dev_t dev)
 {
 	struct md_rdev *rdev;
 
@@ -6018,7 +6018,7 @@ static int set_disk_faulty(mddev_t *mddev, dev_t dev)
  */
 static int md_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 {
-	mddev_t *mddev = bdev->bd_disk->private_data;
+	struct mddev *mddev = bdev->bd_disk->private_data;
 
 	geo->heads = 2;
 	geo->sectors = 4;
@@ -6031,7 +6031,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 {
 	int err = 0;
 	void __user *argp = (void __user *)arg;
-	mddev_t *mddev = NULL;
+	struct mddev *mddev = NULL;
 	int ro;
 
 	if (!capable(CAP_SYS_ADMIN))
@@ -6294,7 +6294,7 @@ static int md_open(struct block_device *bdev, fmode_t mode)
 	 * Succeed if we can lock the mddev, which confirms that
 	 * it isn't being stopped right now.
 	 */
-	mddev_t *mddev = mddev_find(bdev->bd_dev);
+	struct mddev *mddev = mddev_find(bdev->bd_dev);
 	int err;
 
 	if (mddev->gendisk != bdev->bd_disk) {
@@ -6323,7 +6323,7 @@ static int md_open(struct block_device *bdev, fmode_t mode)
 
 static int md_release(struct gendisk *disk, fmode_t mode)
 {
- 	mddev_t *mddev = disk->private_data;
+ 	struct mddev *mddev = disk->private_data;
 
 	BUG_ON(!mddev);
 	atomic_dec(&mddev->openers);
@@ -6334,14 +6334,14 @@ static int md_release(struct gendisk *disk, fmode_t mode)
 
 static int md_media_changed(struct gendisk *disk)
 {
-	mddev_t *mddev = disk->private_data;
+	struct mddev *mddev = disk->private_data;
 
 	return mddev->changed;
 }
 
 static int md_revalidate(struct gendisk *disk)
 {
-	mddev_t *mddev = disk->private_data;
+	struct mddev *mddev = disk->private_data;
 
 	mddev->changed = 0;
 	return 0;
@@ -6410,7 +6410,7 @@ void md_wakeup_thread(mdk_thread_t *thread)
 	}
 }
 
-mdk_thread_t *md_register_thread(void (*run) (mddev_t *), mddev_t *mddev,
+mdk_thread_t *md_register_thread(void (*run) (struct mddev *), struct mddev *mddev,
 				 const char *name)
 {
 	mdk_thread_t *thread;
@@ -6452,7 +6452,7 @@ void md_unregister_thread(mdk_thread_t **threadp)
 	kfree(thread);
 }
 
-void md_error(mddev_t *mddev, struct md_rdev *rdev)
+void md_error(struct mddev *mddev, struct md_rdev *rdev)
 {
 	if (!mddev) {
 		MD_BUG();
@@ -6498,7 +6498,7 @@ static void status_unused(struct seq_file *seq)
 }
 
 
-static void status_resync(struct seq_file *seq, mddev_t * mddev)
+static void status_resync(struct seq_file *seq, struct mddev * mddev)
 {
 	sector_t max_sectors, resync, res;
 	unsigned long dt, db;
@@ -6589,7 +6589,7 @@ static void *md_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	struct list_head *tmp;
 	loff_t l = *pos;
-	mddev_t *mddev;
+	struct mddev *mddev;
 
 	if (l >= 0x10000)
 		return NULL;
@@ -6600,7 +6600,7 @@ static void *md_seq_start(struct seq_file *seq, loff_t *pos)
 	spin_lock(&all_mddevs_lock);
 	list_for_each(tmp,&all_mddevs)
 		if (!l--) {
-			mddev = list_entry(tmp, mddev_t, all_mddevs);
+			mddev = list_entry(tmp, struct mddev, all_mddevs);
 			mddev_get(mddev);
 			spin_unlock(&all_mddevs_lock);
 			return mddev;
@@ -6614,7 +6614,7 @@ static void *md_seq_start(struct seq_file *seq, loff_t *pos)
 static void *md_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct list_head *tmp;
-	mddev_t *next_mddev, *mddev = v;
+	struct mddev *next_mddev, *mddev = v;
 	
 	++*pos;
 	if (v == (void*)2)
@@ -6626,7 +6626,7 @@ static void *md_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	else
 		tmp = mddev->all_mddevs.next;
 	if (tmp != &all_mddevs)
-		next_mddev = mddev_get(list_entry(tmp,mddev_t,all_mddevs));
+		next_mddev = mddev_get(list_entry(tmp,struct mddev,all_mddevs));
 	else {
 		next_mddev = (void*)2;
 		*pos = 0x10000;
@@ -6641,7 +6641,7 @@ static void *md_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
 static void md_seq_stop(struct seq_file *seq, void *v)
 {
-	mddev_t *mddev = v;
+	struct mddev *mddev = v;
 
 	if (mddev && v != (void*)1 && v != (void*)2)
 		mddev_put(mddev);
@@ -6649,7 +6649,7 @@ static void md_seq_stop(struct seq_file *seq, void *v)
 
 static int md_seq_show(struct seq_file *seq, void *v)
 {
-	mddev_t *mddev = v;
+	struct mddev *mddev = v;
 	sector_t sectors;
 	struct md_rdev *rdev;
 	struct bitmap *bitmap;
@@ -6829,7 +6829,7 @@ int unregister_md_personality(struct mdk_personality *p)
 	return 0;
 }
 
-static int is_mddev_idle(mddev_t *mddev, int init)
+static int is_mddev_idle(struct mddev *mddev, int init)
 {
 	struct md_rdev * rdev;
 	int idle;
@@ -6873,7 +6873,7 @@ static int is_mddev_idle(mddev_t *mddev, int init)
 	return idle;
 }
 
-void md_done_sync(mddev_t *mddev, int blocks, int ok)
+void md_done_sync(struct mddev *mddev, int blocks, int ok)
 {
 	/* another "blocks" (512byte) blocks have been synced */
 	atomic_sub(blocks, &mddev->recovery_active);
@@ -6891,7 +6891,7 @@ void md_done_sync(mddev_t *mddev, int blocks, int ok)
  * in superblock) before writing, schedule a superblock update
  * and wait for it to complete.
  */
-void md_write_start(mddev_t *mddev, struct bio *bi)
+void md_write_start(struct mddev *mddev, struct bio *bi)
 {
 	int did_change = 0;
 	if (bio_data_dir(bi) != WRITE)
@@ -6926,7 +6926,7 @@ void md_write_start(mddev_t *mddev, struct bio *bi)
 		   !test_bit(MD_CHANGE_PENDING, &mddev->flags));
 }
 
-void md_write_end(mddev_t *mddev)
+void md_write_end(struct mddev *mddev)
 {
 	if (atomic_dec_and_test(&mddev->writes_pending)) {
 		if (mddev->safemode == 2)
@@ -6945,7 +6945,7 @@ void md_write_end(mddev_t *mddev)
  * In the ->external case MD_CHANGE_CLEAN can not be cleared until mddev->lock
  * is dropped, so return -EAGAIN after notifying userspace.
  */
-int md_allow_write(mddev_t *mddev)
+int md_allow_write(struct mddev *mddev)
 {
 	if (!mddev->pers)
 		return 0;
@@ -6977,9 +6977,9 @@ EXPORT_SYMBOL_GPL(md_allow_write);
 
 #define SYNC_MARKS	10
 #define	SYNC_MARK_STEP	(3*HZ)
-void md_do_sync(mddev_t *mddev)
+void md_do_sync(struct mddev *mddev)
 {
-	mddev_t *mddev2;
+	struct mddev *mddev2;
 	unsigned int currspeed = 0,
 		 window;
 	sector_t max_sectors,j, io_sectors;
@@ -7304,7 +7304,7 @@ void md_do_sync(mddev_t *mddev)
 }
 EXPORT_SYMBOL_GPL(md_do_sync);
 
-static int remove_and_add_spares(mddev_t *mddev)
+static int remove_and_add_spares(struct mddev *mddev)
 {
 	struct md_rdev *rdev;
 	int spares = 0;
@@ -7348,7 +7348,7 @@ static int remove_and_add_spares(mddev_t *mddev)
 	return spares;
 }
 
-static void reap_sync_thread(mddev_t *mddev)
+static void reap_sync_thread(struct mddev *mddev)
 {
 	struct md_rdev *rdev;
 
@@ -7409,7 +7409,7 @@ static void reap_sync_thread(mddev_t *mddev)
  *  5/ If array is degraded, try to add spares devices
  *  6/ If array has spares or is not in-sync, start a resync thread.
  */
-void md_check_recovery(mddev_t *mddev)
+void md_check_recovery(struct mddev *mddev)
 {
 	if (mddev->suspended)
 		return;
@@ -7569,7 +7569,7 @@ void md_check_recovery(mddev_t *mddev)
 	}
 }
 
-void md_wait_for_blocked_rdev(struct md_rdev *rdev, mddev_t *mddev)
+void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev)
 {
 	sysfs_notify_dirent_safe(rdev->sysfs_state);
 	wait_event_timeout(rdev->blocked_wait,
@@ -8070,7 +8070,7 @@ static int md_notify_reboot(struct notifier_block *this,
 			    unsigned long code, void *x)
 {
 	struct list_head *tmp;
-	mddev_t *mddev;
+	struct mddev *mddev;
 	int need_delay = 0;
 
 	if ((code == SYS_DOWN) || (code == SYS_HALT) || (code == SYS_POWER_OFF)) {
@@ -8223,7 +8223,7 @@ static void autostart_arrays(int part)
 
 static __exit void md_exit(void)
 {
-	mddev_t *mddev;
+	struct mddev *mddev;
 	struct list_head *tmp;
 
 	blk_unregister_region(MKDEV(MD_MAJOR,0), 1U << MINORBITS);
diff --git a/drivers/md/md.h b/drivers/md/md.h
index b0e98c868c1..84a2c03c49c 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -26,8 +26,6 @@
 
 #define MaxSector (~(sector_t)0)
 
-typedef struct mddev_s mddev_t;
-
 /* Bad block numbers are stored sorted in a single page.
  * 64bits is used for each block or extent.
  * 54 bits are sector number, 9 bits are extent size,
@@ -42,7 +40,7 @@ struct md_rdev {
 	struct list_head same_set;	/* RAID devices within the same set */
 
 	sector_t sectors;		/* Device size (in 512bytes sectors) */
-	mddev_t *mddev;			/* RAID array if running */
+	struct mddev *mddev;		/* RAID array if running */
 	int last_events;		/* IO event timestamp */
 
 	/*
@@ -184,8 +182,7 @@ extern int rdev_set_badblocks(struct md_rdev *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
-{
+struct mddev {
 	void				*private;
 	struct mdk_personality		*pers;
 	dev_t				unit;
@@ -400,11 +397,11 @@ 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, struct md_rdev *rdev);
+	void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);
 };
 
 
-static inline void rdev_dec_pending(struct md_rdev *rdev, mddev_t *mddev)
+static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
 {
 	int faulty = test_bit(Faulty, &rdev->flags);
 	if (atomic_dec_and_test(&rdev->nr_pending) && faulty)
@@ -422,29 +419,29 @@ struct mdk_personality
 	int level;
 	struct list_head list;
 	struct module *owner;
-	int (*make_request)(mddev_t *mddev, struct bio *bio);
-	int (*run)(mddev_t *mddev);
-	int (*stop)(mddev_t *mddev);
-	void (*status)(struct seq_file *seq, mddev_t *mddev);
+	int (*make_request)(struct mddev *mddev, struct bio *bio);
+	int (*run)(struct mddev *mddev);
+	int (*stop)(struct mddev *mddev);
+	void (*status)(struct seq_file *seq, struct mddev *mddev);
 	/* error_handler must set ->faulty and clear ->in_sync
 	 * if appropriate, and should abort recovery if needed 
 	 */
-	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);
-	int (*resize) (mddev_t *mddev, sector_t sectors);
-	sector_t (*size) (mddev_t *mddev, sector_t sectors, int raid_disks);
-	int (*check_reshape) (mddev_t *mddev);
-	int (*start_reshape) (mddev_t *mddev);
-	void (*finish_reshape) (mddev_t *mddev);
+	void (*error_handler)(struct mddev *mddev, struct md_rdev *rdev);
+	int (*hot_add_disk) (struct mddev *mddev, struct md_rdev *rdev);
+	int (*hot_remove_disk) (struct mddev *mddev, int number);
+	int (*spare_active) (struct mddev *mddev);
+	sector_t (*sync_request)(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster);
+	int (*resize) (struct mddev *mddev, sector_t sectors);
+	sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks);
+	int (*check_reshape) (struct mddev *mddev);
+	int (*start_reshape) (struct mddev *mddev);
+	void (*finish_reshape) (struct mddev *mddev);
 	/* quiesce moves between quiescence states
 	 * 0 - fully active
 	 * 1 - no new requests allowed
 	 * others - reserved
 	 */
-	void (*quiesce) (mddev_t *mddev, int state);
+	void (*quiesce) (struct mddev *mddev, int state);
 	/* takeover is used to transition an array from one
 	 * personality to another.  The new personality must be able
 	 * to handle the data in the current layout.
@@ -454,14 +451,14 @@ struct mdk_personality
 	 * This needs to be installed and then ->run used to activate the
 	 * array.
 	 */
-	void *(*takeover) (mddev_t *mddev);
+	void *(*takeover) (struct mddev *mddev);
 };
 
 
 struct md_sysfs_entry {
 	struct attribute attr;
-	ssize_t (*show)(mddev_t *, char *);
-	ssize_t (*store)(mddev_t *, const char *, size_t);
+	ssize_t (*show)(struct mddev *, char *);
+	ssize_t (*store)(struct mddev *, const char *, size_t);
 };
 extern struct attribute_group md_bitmap_group;
 
@@ -477,19 +474,19 @@ static inline void sysfs_notify_dirent_safe(struct sysfs_dirent *sd)
 		sysfs_notify_dirent(sd);
 }
 
-static inline char * mdname (mddev_t * mddev)
+static inline char * mdname (struct mddev * mddev)
 {
 	return mddev->gendisk ? mddev->gendisk->disk_name : "mdX";
 }
 
-static inline int sysfs_link_rdev(mddev_t *mddev, struct md_rdev *rdev)
+static inline int sysfs_link_rdev(struct mddev *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, struct md_rdev *rdev)
+static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)
 {
 	char nm[20];
 	sprintf(nm, "rd%d", rdev->raid_disk);
@@ -513,8 +510,8 @@ static inline void sysfs_unlink_rdev(mddev_t *mddev, struct md_rdev *rdev)
 	list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set)
 
 typedef struct mdk_thread_s {
-	void			(*run) (mddev_t *mddev);
-	mddev_t			*mddev;
+	void			(*run) (struct mddev *mddev);
+	struct mddev		*mddev;
 	wait_queue_head_t	wqueue;
 	unsigned long           flags;
 	struct task_struct	*tsk;
@@ -556,46 +553,46 @@ static inline void safe_put_page(struct page *p)
 
 extern int register_md_personality(struct mdk_personality *p);
 extern int unregister_md_personality(struct mdk_personality *p);
-extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev),
-				mddev_t *mddev, const char *name);
+extern mdk_thread_t * md_register_thread(void (*run) (struct mddev *mddev),
+				struct mddev *mddev, const char *name);
 extern void md_unregister_thread(mdk_thread_t **threadp);
 extern void md_wakeup_thread(mdk_thread_t *thread);
-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, struct md_rdev *rdev);
+extern void md_check_recovery(struct mddev *mddev);
+extern void md_write_start(struct mddev *mddev, struct bio *bi);
+extern void md_write_end(struct mddev *mddev);
+extern void md_done_sync(struct mddev *mddev, int blocks, int ok);
+extern void md_error(struct mddev *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, struct md_rdev *rdev,
+extern int mddev_congested(struct mddev *mddev, int bits);
+extern void md_flush_request(struct mddev *mddev, struct bio *bio);
+extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
 			   sector_t sector, int size, struct page *page);
-extern void md_super_wait(mddev_t *mddev);
+extern void md_super_wait(struct mddev *mddev);
 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(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(struct md_rdev *rdev, mddev_t *mddev);
+extern void md_do_sync(struct mddev *mddev);
+extern void md_new_event(struct mddev *mddev);
+extern int md_allow_write(struct mddev *mddev);
+extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev);
+extern void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors);
+extern int md_check_no_bitmap(struct mddev *mddev);
+extern int md_integrity_register(struct mddev *mddev);
+extern void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev);
 extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
 extern void restore_bitmap_write_access(struct file *file);
 
-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 void mddev_init(struct mddev *mddev);
+extern int md_run(struct mddev *mddev);
+extern void md_stop(struct mddev *mddev);
+extern void md_stop_writes(struct mddev *mddev);
 extern int md_rdev_init(struct md_rdev *rdev);
 
-extern void mddev_suspend(mddev_t *mddev);
-extern void mddev_resume(mddev_t *mddev);
+extern void mddev_suspend(struct mddev *mddev);
+extern void mddev_resume(struct mddev *mddev);
 extern struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
-				   mddev_t *mddev);
+				   struct mddev *mddev);
 extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
-				   mddev_t *mddev);
-extern int mddev_check_plugged(mddev_t *mddev);
+				   struct mddev *mddev);
+extern int mddev_check_plugged(struct mddev *mddev);
 extern void md_trim_bio(struct bio *bio, int offset, int size);
 #endif /* _MD_MD_H */
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 09e8aa3d59f..9c8d4b66431 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -58,7 +58,7 @@ static int multipath_map (multipath_conf_t *conf)
 static void multipath_reschedule_retry (struct multipath_bh *mp_bh)
 {
 	unsigned long flags;
-	mddev_t *mddev = mp_bh->mddev;
+	struct mddev *mddev = mp_bh->mddev;
 	multipath_conf_t *conf = mddev->private;
 
 	spin_lock_irqsave(&conf->device_lock, flags);
@@ -106,7 +106,7 @@ static void multipath_end_request(struct bio *bio, int error)
 	rdev_dec_pending(rdev, conf->mddev);
 }
 
-static int multipath_make_request(mddev_t *mddev, struct bio * bio)
+static int multipath_make_request(struct mddev *mddev, struct bio * bio)
 {
 	multipath_conf_t *conf = mddev->private;
 	struct multipath_bh * mp_bh;
@@ -140,7 +140,7 @@ static int multipath_make_request(mddev_t *mddev, struct bio * bio)
 	return 0;
 }
 
-static void multipath_status (struct seq_file *seq, mddev_t *mddev)
+static void multipath_status (struct seq_file *seq, struct mddev *mddev)
 {
 	multipath_conf_t *conf = mddev->private;
 	int i;
@@ -156,7 +156,7 @@ static void multipath_status (struct seq_file *seq, mddev_t *mddev)
 
 static int multipath_congested(void *data, int bits)
 {
-	mddev_t *mddev = data;
+	struct mddev *mddev = data;
 	multipath_conf_t *conf = mddev->private;
 	int i, ret = 0;
 
@@ -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, struct md_rdev *rdev)
+static void multipath_error (struct mddev *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, struct md_rdev *rdev)
+static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev)
 {
 	multipath_conf_t *conf = mddev->private;
 	struct request_queue *q;
@@ -291,7 +291,7 @@ static int multipath_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 	return err;
 }
 
-static int multipath_remove_disk(mddev_t *mddev, int number)
+static int multipath_remove_disk(struct mddev *mddev, int number)
 {
 	multipath_conf_t *conf = mddev->private;
 	int err = 0;
@@ -335,7 +335,7 @@ abort:
  *	3.	Performs writes following reads for array syncronising.
  */
 
-static void multipathd (mddev_t *mddev)
+static void multipathd (struct mddev *mddev)
 {
 	struct multipath_bh *mp_bh;
 	struct bio *bio;
@@ -379,7 +379,7 @@ static void multipathd (mddev_t *mddev)
 	spin_unlock_irqrestore(&conf->device_lock, flags);
 }
 
-static sector_t multipath_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t multipath_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 {
 	WARN_ONCE(sectors || raid_disks,
 		  "%s does not support generic reshape\n", __func__);
@@ -387,7 +387,7 @@ static sector_t multipath_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	return mddev->dev_sectors;
 }
 
-static int multipath_run (mddev_t *mddev)
+static int multipath_run (struct mddev *mddev)
 {
 	multipath_conf_t *conf;
 	int disk_idx;
@@ -510,7 +510,7 @@ out:
 }
 
 
-static int multipath_stop (mddev_t *mddev)
+static int multipath_stop (struct mddev *mddev)
 {
 	multipath_conf_t *conf = mddev->private;
 
diff --git a/drivers/md/multipath.h b/drivers/md/multipath.h
index 034f8381e04..350a631b6c9 100644
--- a/drivers/md/multipath.h
+++ b/drivers/md/multipath.h
@@ -6,7 +6,7 @@ struct multipath_info {
 };
 
 struct multipath_private_data {
-	mddev_t			*mddev;
+	struct mddev			*mddev;
 	struct multipath_info	*multipaths;
 	int			raid_disks;
 	spinlock_t		device_lock;
@@ -24,7 +24,7 @@ typedef struct multipath_private_data multipath_conf_t;
  */
 
 struct multipath_bh {
-	mddev_t			*mddev;
+	struct mddev			*mddev;
 	struct bio		*master_bio;
 	struct bio		bio;
 	int			path;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 70fc3d94979..db51e6f6819 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -27,7 +27,7 @@
 
 static int raid0_congested(void *data, int bits)
 {
-	mddev_t *mddev = data;
+	struct mddev *mddev = data;
 	raid0_conf_t *conf = mddev->private;
 	struct md_rdev **devlist = conf->devlist;
 	int raid_disks = conf->strip_zone[0].nb_dev;
@@ -47,7 +47,7 @@ static int raid0_congested(void *data, int bits)
 /*
  * inform the user of the raid configuration
 */
-static void dump_zones(mddev_t *mddev)
+static void dump_zones(struct mddev *mddev)
 {
 	int j, k;
 	sector_t zone_size = 0;
@@ -77,7 +77,7 @@ static void dump_zones(mddev_t *mddev)
 	printk(KERN_INFO "\n");
 }
 
-static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
+static int create_strip_zones(struct mddev *mddev, raid0_conf_t **private_conf)
 {
 	int i, c, err;
 	sector_t curr_zone_end, sectors;
@@ -301,7 +301,7 @@ static int raid0_mergeable_bvec(struct request_queue *q,
 				struct bvec_merge_data *bvm,
 				struct bio_vec *biovec)
 {
-	mddev_t *mddev = q->queuedata;
+	struct mddev *mddev = q->queuedata;
 	sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
 	int max;
 	unsigned int chunk_sectors = mddev->chunk_sectors;
@@ -320,7 +320,7 @@ static int raid0_mergeable_bvec(struct request_queue *q,
 		return max;
 }
 
-static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 {
 	sector_t array_sectors = 0;
 	struct md_rdev *rdev;
@@ -334,7 +334,7 @@ static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	return array_sectors;
 }
 
-static int raid0_run(mddev_t *mddev)
+static int raid0_run(struct mddev *mddev)
 {
 	raid0_conf_t *conf;
 	int ret;
@@ -384,7 +384,7 @@ static int raid0_run(mddev_t *mddev)
 	return md_integrity_register(mddev);
 }
 
-static int raid0_stop(mddev_t *mddev)
+static int raid0_stop(struct mddev *mddev)
 {
 	raid0_conf_t *conf = mddev->private;
 
@@ -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 struct md_rdev *map_sector(mddev_t *mddev, struct strip_zone *zone,
+static struct md_rdev *map_sector(struct mddev *mddev, struct strip_zone *zone,
 				sector_t sector, sector_t *sector_offset)
 {
 	unsigned int sect_in_chunk;
@@ -455,7 +455,7 @@ static struct md_rdev *map_sector(mddev_t *mddev, struct strip_zone *zone,
 /*
  * Is io distribute over 1 or more chunks ?
 */
-static inline int is_io_in_chunk_boundary(mddev_t *mddev,
+static inline int is_io_in_chunk_boundary(struct mddev *mddev,
 			unsigned int chunk_sects, struct bio *bio)
 {
 	if (likely(is_power_of_2(chunk_sects))) {
@@ -468,7 +468,7 @@ static inline int is_io_in_chunk_boundary(mddev_t *mddev,
 	}
 }
 
-static int raid0_make_request(mddev_t *mddev, struct bio *bio)
+static int raid0_make_request(struct mddev *mddev, struct bio *bio)
 {
 	unsigned int chunk_sects;
 	sector_t sector_offset;
@@ -528,13 +528,13 @@ bad_map:
 	return 0;
 }
 
-static void raid0_status(struct seq_file *seq, mddev_t *mddev)
+static void raid0_status(struct seq_file *seq, struct mddev *mddev)
 {
 	seq_printf(seq, " %dk chunks", mddev->chunk_sectors / 2);
 	return;
 }
 
-static void *raid0_takeover_raid45(mddev_t *mddev)
+static void *raid0_takeover_raid45(struct mddev *mddev)
 {
 	struct md_rdev *rdev;
 	raid0_conf_t *priv_conf;
@@ -568,7 +568,7 @@ static void *raid0_takeover_raid45(mddev_t *mddev)
 	return priv_conf;
 }
 
-static void *raid0_takeover_raid10(mddev_t *mddev)
+static void *raid0_takeover_raid10(struct mddev *mddev)
 {
 	raid0_conf_t *priv_conf;
 
@@ -609,7 +609,7 @@ static void *raid0_takeover_raid10(mddev_t *mddev)
 	return priv_conf;
 }
 
-static void *raid0_takeover_raid1(mddev_t *mddev)
+static void *raid0_takeover_raid1(struct mddev *mddev)
 {
 	raid0_conf_t *priv_conf;
 
@@ -635,7 +635,7 @@ static void *raid0_takeover_raid1(mddev_t *mddev)
 	return priv_conf;
 }
 
-static void *raid0_takeover(mddev_t *mddev)
+static void *raid0_takeover(struct mddev *mddev)
 {
 	/* raid0 can take over:
 	 *  raid4 - if all data disks are active.
@@ -666,7 +666,7 @@ static void *raid0_takeover(mddev_t *mddev)
 	return ERR_PTR(-EINVAL);
 }
 
-static void raid0_quiesce(mddev_t *mddev, int state)
+static void raid0_quiesce(struct mddev *mddev, int state)
 {
 }
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index de7d2b67706..50bd7c9411b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -193,7 +193,7 @@ static void put_buf(r1bio_t *r1_bio)
 static void reschedule_retry(r1bio_t *r1_bio)
 {
 	unsigned long flags;
-	mddev_t *mddev = r1_bio->mddev;
+	struct mddev *mddev = r1_bio->mddev;
 	conf_t *conf = mddev->private;
 
 	spin_lock_irqsave(&conf->device_lock, flags);
@@ -593,7 +593,7 @@ static int read_balance(conf_t *conf, r1bio_t *r1_bio, int *max_sectors)
 	return best_disk;
 }
 
-int md_raid1_congested(mddev_t *mddev, int bits)
+int md_raid1_congested(struct mddev *mddev, int bits)
 {
 	conf_t *conf = mddev->private;
 	int i, ret = 0;
@@ -622,7 +622,7 @@ EXPORT_SYMBOL_GPL(md_raid1_congested);
 
 static int raid1_congested(void *data, int bits)
 {
-	mddev_t *mddev = data;
+	struct mddev *mddev = data;
 
 	return mddev_congested(mddev, bits) ||
 		md_raid1_congested(mddev, bits);
@@ -796,7 +796,7 @@ do_sync_io:
 	pr_debug("%dB behind alloc failed, doing sync I/O\n", bio->bi_size);
 }
 
-static int make_request(mddev_t *mddev, struct bio * bio)
+static int make_request(struct mddev *mddev, struct bio * bio)
 {
 	conf_t *conf = mddev->private;
 	mirror_info_t *mirror;
@@ -1138,7 +1138,7 @@ read_again:
 	return 0;
 }
 
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
 {
 	conf_t *conf = mddev->private;
 	int i;
@@ -1156,7 +1156,7 @@ static void status(struct seq_file *seq, mddev_t *mddev)
 }
 
 
-static void error(mddev_t *mddev, struct md_rdev *rdev)
+static void error(struct mddev *mddev, struct md_rdev *rdev)
 {
 	char b[BDEVNAME_SIZE];
 	conf_t *conf = mddev->private;
@@ -1233,7 +1233,7 @@ static void close_sync(conf_t *conf)
 	conf->r1buf_pool = NULL;
 }
 
-static int raid1_spare_active(mddev_t *mddev)
+static int raid1_spare_active(struct mddev *mddev)
 {
 	int i;
 	conf_t *conf = mddev->private;
@@ -1263,7 +1263,7 @@ static int raid1_spare_active(mddev_t *mddev)
 }
 
 
-static int raid1_add_disk(mddev_t *mddev, struct md_rdev *rdev)
+static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
 {
 	conf_t *conf = mddev->private;
 	int err = -EEXIST;
@@ -1311,7 +1311,7 @@ static int raid1_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 	return err;
 }
 
-static int raid1_remove_disk(mddev_t *mddev, int number)
+static int raid1_remove_disk(struct mddev *mddev, int number)
 {
 	conf_t *conf = mddev->private;
 	int err = 0;
@@ -1374,7 +1374,7 @@ static void end_sync_write(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
 	r1bio_t *r1_bio = bio->bi_private;
-	mddev_t *mddev = r1_bio->mddev;
+	struct mddev *mddev = r1_bio->mddev;
 	conf_t *conf = mddev->private;
 	int mirror=0;
 	sector_t first_bad;
@@ -1446,7 +1446,7 @@ static int fix_sync_read_error(r1bio_t *r1_bio)
 	 * made sure that anything with a bad block in range
 	 * will have bi_end_io clear.
 	 */
-	mddev_t *mddev = r1_bio->mddev;
+	struct mddev *mddev = r1_bio->mddev;
 	conf_t *conf = mddev->private;
 	struct bio *bio = r1_bio->bios[r1_bio->read_disk];
 	sector_t sect = r1_bio->sector;
@@ -1562,7 +1562,7 @@ static int process_checks(r1bio_t *r1_bio)
 	 * If any blocks failed to read, then we need to
 	 * attempt an over-write
 	 */
-	mddev_t *mddev = r1_bio->mddev;
+	struct mddev *mddev = r1_bio->mddev;
 	conf_t *conf = mddev->private;
 	int primary;
 	int i;
@@ -1635,7 +1635,7 @@ static int process_checks(r1bio_t *r1_bio)
 	return 0;
 }
 
-static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
+static void sync_request_write(struct mddev *mddev, r1bio_t *r1_bio)
 {
 	conf_t *conf = mddev->private;
 	int i;
@@ -1690,7 +1690,7 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
 static void fix_read_error(conf_t *conf, int read_disk,
 			   sector_t sect, int sectors)
 {
-	mddev_t *mddev = conf->mddev;
+	struct mddev *mddev = conf->mddev;
 	while(sectors) {
 		int s = sectors;
 		int d = read_disk;
@@ -1792,7 +1792,7 @@ static int submit_bio_wait(int rw, struct bio *bio)
 
 static int narrow_write_error(r1bio_t *r1_bio, int i)
 {
-	mddev_t *mddev = r1_bio->mddev;
+	struct mddev *mddev = r1_bio->mddev;
 	conf_t *conf = mddev->private;
 	struct md_rdev *rdev = conf->mirrors[i].rdev;
 	int vcnt, idx;
@@ -1922,7 +1922,7 @@ static void handle_read_error(conf_t *conf, r1bio_t *r1_bio)
 {
 	int disk;
 	int max_sectors;
-	mddev_t *mddev = conf->mddev;
+	struct mddev *mddev = conf->mddev;
 	struct bio *bio;
 	char b[BDEVNAME_SIZE];
 	struct md_rdev *rdev;
@@ -2008,7 +2008,7 @@ read_more:
 	}
 }
 
-static void raid1d(mddev_t *mddev)
+static void raid1d(struct mddev *mddev)
 {
 	r1bio_t *r1_bio;
 	unsigned long flags;
@@ -2085,7 +2085,7 @@ static int init_resync(conf_t *conf)
  * that can be installed to exclude normal IO requests.
  */
 
-static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
+static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster)
 {
 	conf_t *conf = mddev->private;
 	r1bio_t *r1_bio;
@@ -2357,7 +2357,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
 	return nr_sectors;
 }
 
-static sector_t raid1_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t raid1_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 {
 	if (sectors)
 		return sectors;
@@ -2365,7 +2365,7 @@ static sector_t raid1_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 	return mddev->dev_sectors;
 }
 
-static conf_t *setup_conf(mddev_t *mddev)
+static conf_t *setup_conf(struct mddev *mddev)
 {
 	conf_t *conf;
 	int i;
@@ -2466,7 +2466,7 @@ static conf_t *setup_conf(mddev_t *mddev)
 	return ERR_PTR(err);
 }
 
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
 {
 	conf_t *conf;
 	int i;
@@ -2546,7 +2546,7 @@ static int run(mddev_t *mddev)
 	return md_integrity_register(mddev);
 }
 
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
 {
 	conf_t *conf = mddev->private;
 	struct bitmap *bitmap = mddev->bitmap;
@@ -2573,7 +2573,7 @@ static int stop(mddev_t *mddev)
 	return 0;
 }
 
-static int raid1_resize(mddev_t *mddev, sector_t sectors)
+static int raid1_resize(struct mddev *mddev, sector_t sectors)
 {
 	/* no resync is happening, and there is enough space
 	 * on all devices, so we can resize.
@@ -2597,7 +2597,7 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors)
 	return 0;
 }
 
-static int raid1_reshape(mddev_t *mddev)
+static int raid1_reshape(struct mddev *mddev)
 {
 	/* We need to:
 	 * 1/ resize the r1bio_pool
@@ -2703,7 +2703,7 @@ static int raid1_reshape(mddev_t *mddev)
 	return 0;
 }
 
-static void raid1_quiesce(mddev_t *mddev, int state)
+static void raid1_quiesce(struct mddev *mddev, int state)
 {
 	conf_t *conf = mddev->private;
 
@@ -2720,7 +2720,7 @@ static void raid1_quiesce(mddev_t *mddev, int state)
 	}
 }
 
-static void *raid1_takeover(mddev_t *mddev)
+static void *raid1_takeover(struct mddev *mddev)
 {
 	/* raid1 can take over:
 	 *  raid5 with 2 devices, any layout or chunk size
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index 2377a461f79..b6bc7b1c589 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -17,7 +17,7 @@ struct mirror_info {
  */
 
 struct pool_info {
-	mddev_t *mddev;
+	struct mddev *mddev;
 	int	raid_disks;
 };
 
@@ -25,7 +25,7 @@ struct pool_info {
 typedef struct r1bio_s r1bio_t;
 
 struct r1_private_data_s {
-	mddev_t			*mddev;
+	struct mddev		*mddev;
 	mirror_info_t		*mirrors;
 	int			raid_disks;
 
@@ -114,7 +114,7 @@ struct r1bio_s {
 	sector_t		sector;
 	int			sectors;
 	unsigned long		state;
-	mddev_t			*mddev;
+	struct mddev		*mddev;
 	/*
 	 * original bio going to /dev/mdx
 	 */
@@ -173,6 +173,6 @@ struct r1bio_s {
 #define	R1BIO_MadeGood 7
 #define	R1BIO_WriteError 8
 
-extern int md_raid1_congested(mddev_t *mddev, int bits);
+extern int md_raid1_congested(struct mddev *mddev, int bits);
 
 #endif
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b3b7238c541..8c3bd6061f9 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -207,7 +207,7 @@ static void put_buf(r10bio_t *r10_bio)
 static void reschedule_retry(r10bio_t *r10_bio)
 {
 	unsigned long flags;
-	mddev_t *mddev = r10_bio->mddev;
+	struct mddev *mddev = r10_bio->mddev;
 	conf_t *conf = mddev->private;
 
 	spin_lock_irqsave(&conf->device_lock, flags);
@@ -522,7 +522,7 @@ static int raid10_mergeable_bvec(struct request_queue *q,
 				 struct bvec_merge_data *bvm,
 				 struct bio_vec *biovec)
 {
-	mddev_t *mddev = q->queuedata;
+	struct mddev *mddev = q->queuedata;
 	sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
 	int max;
 	unsigned int chunk_sectors = mddev->chunk_sectors;
@@ -677,7 +677,7 @@ retry:
 
 static int raid10_congested(void *data, int bits)
 {
-	mddev_t *mddev = data;
+	struct mddev *mddev = data;
 	conf_t *conf = mddev->private;
 	int i, ret = 0;
 
@@ -830,7 +830,7 @@ static void unfreeze_array(conf_t *conf)
 	spin_unlock_irq(&conf->resync_lock);
 }
 
-static int make_request(mddev_t *mddev, struct bio * bio)
+static int make_request(struct mddev *mddev, struct bio * bio)
 {
 	conf_t *conf = mddev->private;
 	mirror_info_t *mirror;
@@ -1161,7 +1161,7 @@ retry_write:
 	return 0;
 }
 
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
 {
 	conf_t *conf = mddev->private;
 	int i;
@@ -1209,7 +1209,7 @@ static int enough(conf_t *conf, int ignore)
 	return 1;
 }
 
-static void error(mddev_t *mddev, struct md_rdev *rdev)
+static void error(struct mddev *mddev, struct md_rdev *rdev)
 {
 	char b[BDEVNAME_SIZE];
 	conf_t *conf = mddev->private;
@@ -1279,7 +1279,7 @@ static void close_sync(conf_t *conf)
 	conf->r10buf_pool = NULL;
 }
 
-static int raid10_spare_active(mddev_t *mddev)
+static int raid10_spare_active(struct mddev *mddev)
 {
 	int i;
 	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, struct md_rdev *rdev)
+static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
 {
 	conf_t *conf = mddev->private;
 	int err = -EEXIST;
@@ -1368,7 +1368,7 @@ static int raid10_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 	return err;
 }
 
-static int raid10_remove_disk(mddev_t *mddev, int number)
+static int raid10_remove_disk(struct mddev *mddev, int number)
 {
 	conf_t *conf = mddev->private;
 	int err = 0;
@@ -1441,7 +1441,7 @@ static void end_sync_read(struct bio *bio, int error)
 
 static void end_sync_request(r10bio_t *r10_bio)
 {
-	mddev_t *mddev = r10_bio->mddev;
+	struct mddev *mddev = r10_bio->mddev;
 
 	while (atomic_dec_and_test(&r10_bio->remaining)) {
 		if (r10_bio->master_bio == NULL) {
@@ -1470,7 +1470,7 @@ static void end_sync_write(struct bio *bio, int error)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
 	r10bio_t *r10_bio = bio->bi_private;
-	mddev_t *mddev = r10_bio->mddev;
+	struct mddev *mddev = r10_bio->mddev;
 	conf_t *conf = mddev->private;
 	int d;
 	sector_t first_bad;
@@ -1509,7 +1509,7 @@ static void end_sync_write(struct bio *bio, int error)
  * We check if all blocks are in-sync and only write to blocks that
  * aren't in sync
  */
-static void sync_request_write(mddev_t *mddev, r10bio_t *r10_bio)
+static void sync_request_write(struct mddev *mddev, r10bio_t *r10_bio)
 {
 	conf_t *conf = mddev->private;
 	int i, first;
@@ -1618,7 +1618,7 @@ static void fix_recovery_read_error(r10bio_t *r10_bio)
 	 * If a read fails, record a bad block on both old and
 	 * new devices.
 	 */
-	mddev_t *mddev = r10_bio->mddev;
+	struct mddev *mddev = r10_bio->mddev;
 	conf_t *conf = mddev->private;
 	struct bio *bio = r10_bio->devs[0].bio;
 	sector_t sect = 0;
@@ -1688,7 +1688,7 @@ static void fix_recovery_read_error(r10bio_t *r10_bio)
 	}
 }
 
-static void recovery_request_write(mddev_t *mddev, r10bio_t *r10_bio)
+static void recovery_request_write(struct mddev *mddev, r10bio_t *r10_bio)
 {
 	conf_t *conf = mddev->private;
 	int d;
@@ -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, struct md_rdev *rdev)
+static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
 {
 	struct timespec cur_time_mon;
 	unsigned long hours_since_last;
@@ -1778,7 +1778,7 @@ static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
  *	3.	Performs writes following reads for array synchronising.
  */
 
-static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
+static void fix_read_error(conf_t *conf, struct mddev *mddev, r10bio_t *r10_bio)
 {
 	int sect = 0; /* Offset from r10_bio->sector */
 	int sectors = r10_bio->sectors;
@@ -1986,7 +1986,7 @@ static int submit_bio_wait(int rw, struct bio *bio)
 static int narrow_write_error(r10bio_t *r10_bio, int i)
 {
 	struct bio *bio = r10_bio->master_bio;
-	mddev_t *mddev = r10_bio->mddev;
+	struct mddev *mddev = r10_bio->mddev;
 	conf_t *conf = mddev->private;
 	struct md_rdev *rdev = conf->mirrors[r10_bio->devs[i].devnum].rdev;
 	/* bio has the data to be written to slot 'i' where
@@ -2040,7 +2040,7 @@ static int narrow_write_error(r10bio_t *r10_bio, int i)
 	return ok;
 }
 
-static void handle_read_error(mddev_t *mddev, r10bio_t *r10_bio)
+static void handle_read_error(struct mddev *mddev, r10bio_t *r10_bio)
 {
 	int slot = r10_bio->read_slot;
 	int mirror = r10_bio->devs[slot].devnum;
@@ -2200,7 +2200,7 @@ static void handle_write_completed(conf_t *conf, r10bio_t *r10_bio)
 	}
 }
 
-static void raid10d(mddev_t *mddev)
+static void raid10d(struct mddev *mddev)
 {
 	r10bio_t *r10_bio;
 	unsigned long flags;
@@ -2297,7 +2297,7 @@ static int init_resync(conf_t *conf)
  *
  */
 
-static sector_t sync_request(mddev_t *mddev, sector_t sector_nr,
+static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
 			     int *skipped, int go_faster)
 {
 	conf_t *conf = mddev->private;
@@ -2714,7 +2714,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr,
 }
 
 static sector_t
-raid10_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+raid10_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 {
 	sector_t size;
 	conf_t *conf = mddev->private;
@@ -2733,7 +2733,7 @@ raid10_size(mddev_t *mddev, sector_t sectors, int raid_disks)
 }
 
 
-static conf_t *setup_conf(mddev_t *mddev)
+static conf_t *setup_conf(struct mddev *mddev)
 {
 	conf_t *conf = NULL;
 	int nc, fc, fo;
@@ -2836,7 +2836,7 @@ static conf_t *setup_conf(mddev_t *mddev)
 	return ERR_PTR(err);
 }
 
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
 {
 	conf_t *conf;
 	int i, disk_idx, chunk_size;
@@ -2966,7 +2966,7 @@ out:
 	return -EIO;
 }
 
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
 {
 	conf_t *conf = mddev->private;
 
@@ -2983,7 +2983,7 @@ static int stop(mddev_t *mddev)
 	return 0;
 }
 
-static void raid10_quiesce(mddev_t *mddev, int state)
+static void raid10_quiesce(struct mddev *mddev, int state)
 {
 	conf_t *conf = mddev->private;
 
@@ -2997,7 +2997,7 @@ static void raid10_quiesce(mddev_t *mddev, int state)
 	}
 }
 
-static void *raid10_takeover_raid0(mddev_t *mddev)
+static void *raid10_takeover_raid0(struct mddev *mddev)
 {
 	struct md_rdev *rdev;
 	conf_t *conf;
@@ -3029,7 +3029,7 @@ static void *raid10_takeover_raid0(mddev_t *mddev)
 	return conf;
 }
 
-static void *raid10_takeover(mddev_t *mddev)
+static void *raid10_takeover(struct mddev *mddev)
 {
 	struct raid0_private_data *raid0_priv;
 
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index d37260fe9c3..ad2da69becb 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -16,7 +16,7 @@ struct mirror_info {
 typedef struct r10bio_s r10bio_t;
 
 struct r10_private_data_s {
-	mddev_t			*mddev;
+	struct mddev		*mddev;
 	mirror_info_t		*mirrors;
 	int			raid_disks;
 	spinlock_t		device_lock;
@@ -87,7 +87,7 @@ struct r10bio_s {
 	sector_t		sector;	/* virtual sector number */
 	int			sectors;
 	unsigned long		state;
-	mddev_t			*mddev;
+	struct mddev		*mddev;
 	/*
 	 * original bio going to /dev/mdx
 	 */
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index d0e2a345e4d..17725c59eb0 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -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, struct md_rdev *rdev)
+static void error(struct mddev *mddev, struct md_rdev *rdev)
 {
 	char b[BDEVNAME_SIZE];
 	raid5_conf_t *conf = mddev->private;
@@ -3403,7 +3403,7 @@ static void activate_bit_delay(raid5_conf_t *conf)
 	}
 }
 
-int md_raid5_congested(mddev_t *mddev, int bits)
+int md_raid5_congested(struct mddev *mddev, int bits)
 {
 	raid5_conf_t *conf = mddev->private;
 
@@ -3424,7 +3424,7 @@ EXPORT_SYMBOL_GPL(md_raid5_congested);
 
 static int raid5_congested(void *data, int bits)
 {
-	mddev_t *mddev = data;
+	struct mddev *mddev = data;
 
 	return mddev_congested(mddev, bits) ||
 		md_raid5_congested(mddev, bits);
@@ -3437,7 +3437,7 @@ static int raid5_mergeable_bvec(struct request_queue *q,
 				struct bvec_merge_data *bvm,
 				struct bio_vec *biovec)
 {
-	mddev_t *mddev = q->queuedata;
+	struct mddev *mddev = q->queuedata;
 	sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
 	int max;
 	unsigned int chunk_sectors = mddev->chunk_sectors;
@@ -3457,7 +3457,7 @@ static int raid5_mergeable_bvec(struct request_queue *q,
 }
 
 
-static int in_chunk_boundary(mddev_t *mddev, struct bio *bio)
+static int in_chunk_boundary(struct mddev *mddev, struct bio *bio)
 {
 	sector_t sector = bio->bi_sector + get_start_sect(bio->bi_bdev);
 	unsigned int chunk_sectors = mddev->chunk_sectors;
@@ -3520,7 +3520,7 @@ static struct bio *remove_bio_from_retry(raid5_conf_t *conf)
 static void raid5_align_endio(struct bio *bi, int error)
 {
 	struct bio* raid_bi  = bi->bi_private;
-	mddev_t *mddev;
+	struct mddev *mddev;
 	raid5_conf_t *conf;
 	int uptodate = test_bit(BIO_UPTODATE, &bi->bi_flags);
 	struct md_rdev *rdev;
@@ -3567,7 +3567,7 @@ static int bio_fits_rdev(struct bio *bi)
 }
 
 
-static int chunk_aligned_read(mddev_t *mddev, struct bio * raid_bio)
+static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio)
 {
 	raid5_conf_t *conf = mddev->private;
 	int dd_idx;
@@ -3688,7 +3688,7 @@ static struct stripe_head *__get_priority_stripe(raid5_conf_t *conf)
 	return sh;
 }
 
-static int make_request(mddev_t *mddev, struct bio * bi)
+static int make_request(struct mddev *mddev, struct bio * bi)
 {
 	raid5_conf_t *conf = mddev->private;
 	int dd_idx;
@@ -3848,9 +3848,9 @@ static int make_request(mddev_t *mddev, struct bio * bi)
 	return 0;
 }
 
-static sector_t raid5_size(mddev_t *mddev, sector_t sectors, int raid_disks);
+static sector_t raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks);
 
-static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped)
+static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *skipped)
 {
 	/* reshaping is quite different to recovery/resync so it is
 	 * handled quite separately ... here.
@@ -4068,7 +4068,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
 }
 
 /* FIXME go_faster isn't used */
-static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
+static inline sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster)
 {
 	raid5_conf_t *conf = mddev->private;
 	struct stripe_head *sh;
@@ -4227,7 +4227,7 @@ static int  retry_aligned_read(raid5_conf_t *conf, struct bio *raid_bio)
  * During the scan, completed stripes are saved for us by the interrupt
  * handler, so that they will not have to wait for our next wakeup.
  */
-static void raid5d(mddev_t *mddev)
+static void raid5d(struct mddev *mddev)
 {
 	struct stripe_head *sh;
 	raid5_conf_t *conf = mddev->private;
@@ -4294,7 +4294,7 @@ static void raid5d(mddev_t *mddev)
 }
 
 static ssize_t
-raid5_show_stripe_cache_size(mddev_t *mddev, char *page)
+raid5_show_stripe_cache_size(struct mddev *mddev, char *page)
 {
 	raid5_conf_t *conf = mddev->private;
 	if (conf)
@@ -4304,7 +4304,7 @@ raid5_show_stripe_cache_size(mddev_t *mddev, char *page)
 }
 
 int
-raid5_set_cache_size(mddev_t *mddev, int size)
+raid5_set_cache_size(struct mddev *mddev, int size)
 {
 	raid5_conf_t *conf = mddev->private;
 	int err;
@@ -4330,7 +4330,7 @@ raid5_set_cache_size(mddev_t *mddev, int size)
 EXPORT_SYMBOL(raid5_set_cache_size);
 
 static ssize_t
-raid5_store_stripe_cache_size(mddev_t *mddev, const char *page, size_t len)
+raid5_store_stripe_cache_size(struct mddev *mddev, const char *page, size_t len)
 {
 	raid5_conf_t *conf = mddev->private;
 	unsigned long new;
@@ -4355,7 +4355,7 @@ raid5_stripecache_size = __ATTR(stripe_cache_size, S_IRUGO | S_IWUSR,
 				raid5_store_stripe_cache_size);
 
 static ssize_t
-raid5_show_preread_threshold(mddev_t *mddev, char *page)
+raid5_show_preread_threshold(struct mddev *mddev, char *page)
 {
 	raid5_conf_t *conf = mddev->private;
 	if (conf)
@@ -4365,7 +4365,7 @@ raid5_show_preread_threshold(mddev_t *mddev, char *page)
 }
 
 static ssize_t
-raid5_store_preread_threshold(mddev_t *mddev, const char *page, size_t len)
+raid5_store_preread_threshold(struct mddev *mddev, const char *page, size_t len)
 {
 	raid5_conf_t *conf = mddev->private;
 	unsigned long new;
@@ -4389,7 +4389,7 @@ raid5_preread_bypass_threshold = __ATTR(preread_bypass_threshold,
 					raid5_store_preread_threshold);
 
 static ssize_t
-stripe_cache_active_show(mddev_t *mddev, char *page)
+stripe_cache_active_show(struct mddev *mddev, char *page)
 {
 	raid5_conf_t *conf = mddev->private;
 	if (conf)
@@ -4413,7 +4413,7 @@ static struct attribute_group raid5_attrs_group = {
 };
 
 static sector_t
-raid5_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 {
 	raid5_conf_t *conf = mddev->private;
 
@@ -4540,7 +4540,7 @@ static int raid5_alloc_percpu(raid5_conf_t *conf)
 	return err;
 }
 
-static raid5_conf_t *setup_conf(mddev_t *mddev)
+static raid5_conf_t *setup_conf(struct mddev *mddev)
 {
 	raid5_conf_t *conf;
 	int raid_disk, memory, max_disks;
@@ -4705,7 +4705,7 @@ static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded
 	return 0;
 }
 
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
 {
 	raid5_conf_t *conf;
 	int working_disks = 0;
@@ -4942,7 +4942,7 @@ abort:
 	return -EIO;
 }
 
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
 {
 	raid5_conf_t *conf = mddev->private;
 
@@ -4955,7 +4955,7 @@ static int stop(mddev_t *mddev)
 	return 0;
 }
 
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
 {
 	raid5_conf_t *conf = mddev->private;
 	int i;
@@ -4994,7 +4994,7 @@ static void print_raid5_conf (raid5_conf_t *conf)
 	}
 }
 
-static int raid5_spare_active(mddev_t *mddev)
+static int raid5_spare_active(struct mddev *mddev)
 {
 	int i;
 	raid5_conf_t *conf = mddev->private;
@@ -5019,7 +5019,7 @@ static int raid5_spare_active(mddev_t *mddev)
 	return count;
 }
 
-static int raid5_remove_disk(mddev_t *mddev, int number)
+static int raid5_remove_disk(struct mddev *mddev, int number)
 {
 	raid5_conf_t *conf = mddev->private;
 	int err = 0;
@@ -5062,7 +5062,7 @@ abort:
 	return err;
 }
 
-static int raid5_add_disk(mddev_t *mddev, struct md_rdev *rdev)
+static int raid5_add_disk(struct mddev *mddev, struct md_rdev *rdev)
 {
 	raid5_conf_t *conf = mddev->private;
 	int err = -EEXIST;
@@ -5105,7 +5105,7 @@ static int raid5_add_disk(mddev_t *mddev, struct md_rdev *rdev)
 	return err;
 }
 
-static int raid5_resize(mddev_t *mddev, sector_t sectors)
+static int raid5_resize(struct mddev *mddev, sector_t sectors)
 {
 	/* no resync is happening, and there is enough space
 	 * on all devices, so we can resize.
@@ -5132,7 +5132,7 @@ static int raid5_resize(mddev_t *mddev, sector_t sectors)
 	return 0;
 }
 
-static int check_stripe_cache(mddev_t *mddev)
+static int check_stripe_cache(struct mddev *mddev)
 {
 	/* Can only proceed if there are plenty of stripe_heads.
 	 * We need a minimum of one full stripe,, and for sensible progress
@@ -5156,7 +5156,7 @@ static int check_stripe_cache(mddev_t *mddev)
 	return 1;
 }
 
-static int check_reshape(mddev_t *mddev)
+static int check_reshape(struct mddev *mddev)
 {
 	raid5_conf_t *conf = mddev->private;
 
@@ -5188,7 +5188,7 @@ static int check_reshape(mddev_t *mddev)
 	return resize_stripes(conf, conf->raid_disks + mddev->delta_disks);
 }
 
-static int raid5_start_reshape(mddev_t *mddev)
+static int raid5_start_reshape(struct mddev *mddev)
 {
 	raid5_conf_t *conf = mddev->private;
 	struct md_rdev *rdev;
@@ -5332,7 +5332,7 @@ static void end_reshape(raid5_conf_t *conf)
 /* This is called from the raid5d thread with mddev_lock held.
  * It makes config changes to the device.
  */
-static void raid5_finish_reshape(mddev_t *mddev)
+static void raid5_finish_reshape(struct mddev *mddev)
 {
 	raid5_conf_t *conf = mddev->private;
 
@@ -5367,7 +5367,7 @@ static void raid5_finish_reshape(mddev_t *mddev)
 	}
 }
 
-static void raid5_quiesce(mddev_t *mddev, int state)
+static void raid5_quiesce(struct mddev *mddev, int state)
 {
 	raid5_conf_t *conf = mddev->private;
 
@@ -5403,7 +5403,7 @@ static void raid5_quiesce(mddev_t *mddev, int state)
 }
 
 
-static void *raid45_takeover_raid0(mddev_t *mddev, int level)
+static void *raid45_takeover_raid0(struct mddev *mddev, int level)
 {
 	struct raid0_private_data *raid0_priv = mddev->private;
 	sector_t sectors;
@@ -5430,7 +5430,7 @@ static void *raid45_takeover_raid0(mddev_t *mddev, int level)
 }
 
 
-static void *raid5_takeover_raid1(mddev_t *mddev)
+static void *raid5_takeover_raid1(struct mddev *mddev)
 {
 	int chunksect;
 
@@ -5457,7 +5457,7 @@ static void *raid5_takeover_raid1(mddev_t *mddev)
 	return setup_conf(mddev);
 }
 
-static void *raid5_takeover_raid6(mddev_t *mddev)
+static void *raid5_takeover_raid6(struct mddev *mddev)
 {
 	int new_layout;
 
@@ -5491,7 +5491,7 @@ static void *raid5_takeover_raid6(mddev_t *mddev)
 }
 
 
-static int raid5_check_reshape(mddev_t *mddev)
+static int raid5_check_reshape(struct mddev *mddev)
 {
 	/* For a 2-drive array, the layout and chunk size can be changed
 	 * immediately as not restriping is needed.
@@ -5531,7 +5531,7 @@ static int raid5_check_reshape(mddev_t *mddev)
 	return check_reshape(mddev);
 }
 
-static int raid6_check_reshape(mddev_t *mddev)
+static int raid6_check_reshape(struct mddev *mddev)
 {
 	int new_chunk = mddev->new_chunk_sectors;
 
@@ -5551,7 +5551,7 @@ static int raid6_check_reshape(mddev_t *mddev)
 	return check_reshape(mddev);
 }
 
-static void *raid5_takeover(mddev_t *mddev)
+static void *raid5_takeover(struct mddev *mddev)
 {
 	/* raid5 can take over:
 	 *  raid0 - if there is only one strip zone - make it a raid4 layout
@@ -5574,7 +5574,7 @@ static void *raid5_takeover(mddev_t *mddev)
 	return ERR_PTR(-EINVAL);
 }
 
-static void *raid4_takeover(mddev_t *mddev)
+static void *raid4_takeover(struct mddev *mddev)
 {
 	/* raid4 can take over:
 	 *  raid0 - if there is only one strip zone
@@ -5593,7 +5593,7 @@ static void *raid4_takeover(mddev_t *mddev)
 
 static struct mdk_personality raid5_personality;
 
-static void *raid6_takeover(mddev_t *mddev)
+static void *raid6_takeover(struct mddev *mddev)
 {
 	/* Currently can only take over a raid5.  We map the
 	 * personality to an equivalent raid6 personality
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 6b234af7bf1..0d222de5e5b 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -349,7 +349,7 @@ struct disk_info {
 
 struct raid5_private_data {
 	struct hlist_head	*stripe_hashtbl;
-	mddev_t			*mddev;
+	struct mddev		*mddev;
 	struct disk_info	*spare;
 	int			chunk_sectors;
 	int			level, algorithm;
@@ -503,7 +503,7 @@ static inline int algorithm_is_DDF(int layout)
 	return layout >= 8 && layout <= 10;
 }
 
-extern int md_raid5_congested(mddev_t *mddev, int bits);
+extern int md_raid5_congested(struct mddev *mddev, int bits);
 extern void md_raid5_kick_device(raid5_conf_t *conf);
-extern int raid5_set_cache_size(mddev_t *mddev, int size);
+extern int raid5_set_cache_size(struct mddev *mddev, int size);
 #endif