Merge drm/drm-next into drm-misc-next

Daniel needs -rc2 in drm-misc-next to merge some patches

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

1 files changed, 35 insertions, 16 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 607278207023..98bac4f304ae 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -464,6 +464,7 @@ struct md_io {
 	bio_end_io_t *orig_bi_end_io;
 	void *orig_bi_private;
 	unsigned long start_time;
+	struct hd_struct *part;
 };
 
 static void md_end_io(struct bio *bio)
@@ -471,7 +472,7 @@ static void md_end_io(struct bio *bio)
 	struct md_io *md_io = bio->bi_private;
 	struct mddev *mddev = md_io->mddev;
 
-	disk_end_io_acct(mddev->gendisk, bio_op(bio), md_io->start_time);
+	part_end_io_acct(md_io->part, bio, md_io->start_time);
 
 	bio->bi_end_io = md_io->orig_bi_end_io;
 	bio->bi_private = md_io->orig_bi_private;
@@ -517,9 +518,8 @@ static blk_qc_t md_submit_bio(struct bio *bio)
 		bio->bi_end_io = md_end_io;
 		bio->bi_private = md_io;
 
-		md_io->start_time = disk_start_io_acct(mddev->gendisk,
-						       bio_sectors(bio),
-						       bio_op(bio));
+		md_io->start_time = part_start_io_acct(mddev->gendisk,
+						       &md_io->part, bio);
 	}
 
 	/* bio could be mergeable after passing to underlayer */
@@ -2322,8 +2322,7 @@ static int match_mddev_units(struct mddev *mddev1, struct mddev *mddev2)
 			    test_bit(Journal, &rdev2->flags) ||
 			    rdev2->raid_disk == -1)
 				continue;
-			if (rdev->bdev->bd_contains ==
-			    rdev2->bdev->bd_contains) {
+			if (rdev->bdev->bd_disk == rdev2->bdev->bd_disk) {
 				rcu_read_unlock();
 				return 1;
 			}
@@ -5358,7 +5357,7 @@ array_size_store(struct mddev *mddev, const char *buf, size_t len)
 		mddev->array_sectors = sectors;
 		if (mddev->pers) {
 			set_capacity(mddev->gendisk, mddev->array_sectors);
-			revalidate_disk(mddev->gendisk);
+			revalidate_disk_size(mddev->gendisk, true);
 		}
 	}
 	mddev_unlock(mddev);
@@ -5944,8 +5943,8 @@ int md_run(struct mddev *mddev)
 		rdev_for_each(rdev, mddev)
 			rdev_for_each(rdev2, mddev) {
 				if (rdev < rdev2 &&
-				    rdev->bdev->bd_contains ==
-				    rdev2->bdev->bd_contains) {
+				    rdev->bdev->bd_disk ==
+				    rdev2->bdev->bd_disk) {
 					pr_warn("%s: WARNING: %s appears to be on the same physical disk as %s.\n",
 						mdname(mddev),
 						bdevname(rdev->bdev,b),
@@ -6109,7 +6108,7 @@ int do_md_run(struct mddev *mddev)
 	md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
 
 	set_capacity(mddev->gendisk, mddev->array_sectors);
-	revalidate_disk(mddev->gendisk);
+	revalidate_disk_size(mddev->gendisk, true);
 	clear_bit(MD_NOT_READY, &mddev->flags);
 	mddev->changed = 1;
 	kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
@@ -6427,7 +6426,7 @@ static int do_md_stop(struct mddev *mddev, int mode,
 		set_capacity(disk, 0);
 		mutex_unlock(&mddev->open_mutex);
 		mddev->changed = 1;
-		revalidate_disk(disk);
+		revalidate_disk_size(disk, true);
 
 		if (mddev->ro)
 			mddev->ro = 0;
@@ -7259,7 +7258,7 @@ static int update_size(struct mddev *mddev, sector_t num_sectors)
 			md_cluster_ops->update_size(mddev, old_dev_sectors);
 		else if (mddev->queue) {
 			set_capacity(mddev->gendisk, mddev->array_sectors);
-			revalidate_disk(mddev->gendisk);
+			revalidate_disk_size(mddev->gendisk, true);
 		}
 	}
 	return rv;
@@ -7848,7 +7847,7 @@ static int md_open(struct block_device *bdev, fmode_t mode)
 	atomic_inc(&mddev->openers);
 	mutex_unlock(&mddev->open_mutex);
 
-	check_disk_change(bdev);
+	bdev_check_media_change(bdev);
  out:
 	if (err)
 		mddev_put(mddev);
@@ -8445,7 +8444,7 @@ static int is_mddev_idle(struct mddev *mddev, int init)
 	idle = 1;
 	rcu_read_lock();
 	rdev_for_each_rcu(rdev, mddev) {
-		struct gendisk *disk = rdev->bdev->bd_contains->bd_disk;
+		struct gendisk *disk = rdev->bdev->bd_disk;
 		curr_events = (int)part_stat_read_accum(&disk->part0, sectors) -
 			      atomic_read(&disk->sync_io);
 		/* sync IO will cause sync_io to increase before the disk_stats
@@ -8583,6 +8582,26 @@ void md_write_end(struct mddev *mddev)
 
 EXPORT_SYMBOL(md_write_end);
 
+/* This is used by raid0 and raid10 */
+void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev,
+			struct bio *bio, sector_t start, sector_t size)
+{
+	struct bio *discard_bio = NULL;
+
+	if (__blkdev_issue_discard(rdev->bdev, start, size,
+		GFP_NOIO, 0, &discard_bio) || !discard_bio)
+		return;
+
+	bio_chain(discard_bio, bio);
+	bio_clone_blkg_association(discard_bio, bio);
+	if (mddev->gendisk)
+		trace_block_bio_remap(bdev_get_queue(rdev->bdev),
+			discard_bio, disk_devt(mddev->gendisk),
+			bio->bi_iter.bi_sector);
+	submit_bio_noacct(discard_bio);
+}
+EXPORT_SYMBOL(md_submit_discard_bio);
+
 /* md_allow_write(mddev)
  * Calling this ensures that the array is marked 'active' so that writes
  * may proceed without blocking.  It is important to call this before
@@ -9018,7 +9037,7 @@ void md_do_sync(struct md_thread *thread)
 		mddev_unlock(mddev);
 		if (!mddev_is_clustered(mddev)) {
 			set_capacity(mddev->gendisk, mddev->array_sectors);
-			revalidate_disk(mddev->gendisk);
+			revalidate_disk_size(mddev->gendisk, true);
 		}
 	}
 
@@ -9545,7 +9564,7 @@ static int __init md_init(void)
 		goto err_misc_wq;
 
 	md_rdev_misc_wq = alloc_workqueue("md_rdev_misc", 0, 0);
-	if (!md_misc_wq)
+	if (!md_rdev_misc_wq)
 		goto err_rdev_misc_wq;
 
 	if ((ret = register_blkdev(MD_MAJOR, "md")) < 0)