Commit cfdeb588 authored by Shida Zhang's avatar Shida Zhang Committed by Jens Axboe
Browse files

block: prohibit calls to bio_chain_endio 



Now that all potential callers of bio_chain_endio have been
eliminated, completely prohibit any future calls to this function.

Suggested-by: default avatarMing Lei <ming.lei@redhat.com>
Suggested-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
Suggested-by: default avatarChristoph Hellwig <hch@infradead.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarShida Zhang <zhangshida@kylinos.cn>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 53280e39

block/bio.c

+5 −1
Original line number Diff line number Diff line
@@ -321,9 +321,13 @@ static struct bio *__bio_chain_endio(struct bio *bio) 
	return parent;

}



/*

 * This function should only be used as a flag and must never be called.

 * If execution reaches here, it indicates a serious programming error.

 */

static void bio_chain_endio(struct bio *bio)

{

	bio_endio(__bio_chain_endio(bio));

	BUG();

}



/**