btrfs: make btrfs_finish_ordered_extent() return void

Currently btrfs_finish_ordered_extent() returns a boolean indicating if
the ordered extent was added to the work queue for completion, but none
of its callers cares about it, so make it return void.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/ordered-data.c

@@ -374,7 +374,7 @@ static void btrfs_queue_ordered_fn(struct btrfs_ordered_extent *ordered)
 	btrfs_queue_work(wq, &ordered->work);
 }
 
-bool btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
+void btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
 				 struct page *page, u64 file_offset, u64 len,
 				 bool uptodate)
 {
@@ -421,7 +421,6 @@ bool btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
 
 	if (ret)
 		btrfs_queue_ordered_fn(ordered);
-	return ret;
 }
 
 /*

fs/btrfs/ordered-data.h

@@ -162,7 +162,7 @@ int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent);
 void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry);
 void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode,
 				struct btrfs_ordered_extent *entry);
-bool btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
+void btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
 				 struct page *page, u64 file_offset, u64 len,
 				 bool uptodate);
 void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,