btrfs: pass btrfs_inode to btrfs_submit_bio_start

The function is for internal interfaces so we should use the
btrfs_inode.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/btrfs_inode.h

@@ -415,7 +415,7 @@ void btrfs_submit_data_write_bio(struct inode *inode, struct bio *bio, int mirro
 void btrfs_submit_data_read_bio(struct inode *inode, struct bio *bio,
 			int mirror_num, enum btrfs_compression_type compress_type);
 void btrfs_submit_dio_repair_bio(struct inode *inode, struct bio *bio, int mirror_num);
-blk_status_t btrfs_submit_bio_start(struct inode *inode, struct bio *bio);
+blk_status_t btrfs_submit_bio_start(struct btrfs_inode *inode, struct bio *bio);
 blk_status_t btrfs_submit_bio_start_direct_io(struct inode *inode,
 					      struct bio *bio,
 					      u64 dio_file_offset);

fs/btrfs/disk-io.c

@@ -642,7 +642,7 @@ static void run_one_async_start(struct btrfs_work *work)
 		ret = btree_submit_bio_start(async->bio);
 		break;
 	case WQ_SUBMIT_DATA:
-		ret = btrfs_submit_bio_start(&async->inode->vfs_inode, async->bio);
+		ret = btrfs_submit_bio_start(async->inode, async->bio);
 		break;
 	case WQ_SUBMIT_DATA_DIO:
 		ret = btrfs_submit_bio_start_direct_io(&async->inode->vfs_inode,

fs/btrfs/inode.c

@@ -2550,9 +2550,9 @@ void btrfs_clear_delalloc_extent(struct inode *vfs_inode,
  * At IO completion time the cums attached on the ordered extent record
  * are inserted into the btree
  */
-blk_status_t btrfs_submit_bio_start(struct inode *inode, struct bio *bio)
+blk_status_t btrfs_submit_bio_start(struct btrfs_inode *inode, struct bio *bio)
 {
-	return btrfs_csum_one_bio(BTRFS_I(inode), bio, (u64)-1, false);
+	return btrfs_csum_one_bio(inode, bio, (u64)-1, false);
 }
 
 /*