btrfs: simplify btree_submit_bio_start and btrfs_submit_bio_start parameters

After previous patches the unused parameters can be removed from
btree_submit_bio_start and btrfs_submit_bio_start as they don't need to
conform to the extent_submit_bio_start_t typedef.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/btrfs_inode.h

@@ -415,8 +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,
-				    u64 dio_file_offset);
+blk_status_t btrfs_submit_bio_start(struct 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

@@ -639,18 +639,14 @@ static void run_one_async_start(struct btrfs_work *work)
 	async = container_of(work, struct  async_submit_bio, work);
 	switch (async->submit_cmd) {
 	case WQ_SUBMIT_METADATA:
-		ret = btree_submit_bio_start(async->inode, async->bio,
-					     async->dio_file_offset);
+		ret = btree_submit_bio_start(async->bio);
 		break;
 	case WQ_SUBMIT_DATA:
-		ret = btrfs_submit_bio_start(async->inode, async->bio,
-					     async->dio_file_offset);
-
+		ret = btrfs_submit_bio_start(async->inode, async->bio);
 		break;
 	case WQ_SUBMIT_DATA_DIO:
 		ret = btrfs_submit_bio_start_direct_io(async->inode, async->bio,
 						       async->dio_file_offset);
-
 		break;
 	}
 	if (ret)
@@ -749,8 +745,7 @@ static blk_status_t btree_csum_one_bio(struct bio *bio)
 	return errno_to_blk_status(ret);
 }
 
-blk_status_t btree_submit_bio_start(struct inode *inode, struct bio *bio,
-				    u64 dio_file_offset)
+blk_status_t btree_submit_bio_start(struct bio *bio)
 {
 	/*
 	 * when we're called for a write, we're already in the async

fs/btrfs/disk-io.h

@@ -122,8 +122,7 @@ enum btrfs_wq_submit_cmd {
 
 bool btrfs_wq_submit_bio(struct inode *inode, struct bio *bio, int mirror_num,
 			 u64 dio_file_offset, enum btrfs_wq_submit_cmd cmd);
-blk_status_t btree_submit_bio_start(struct inode *inode, struct bio *bio,
-				    u64 dio_file_offset);
+blk_status_t btree_submit_bio_start(struct bio *bio);
 int btrfs_alloc_log_tree_node(struct btrfs_trans_handle *trans,
 			      struct btrfs_root *root);
 int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans,

fs/btrfs/inode.c

@@ -2550,8 +2550,7 @@ 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,
-				    u64 dio_file_offset)
+blk_status_t btrfs_submit_bio_start(struct inode *inode, struct bio *bio)
 {
 	return btrfs_csum_one_bio(BTRFS_I(inode), bio, (u64)-1, false);
 }