From: Shida Zhang <[email protected]> Now that all potential callers of bio_chain_endio have been eliminated, completely prohibit any future calls to this function.
Suggested-by: Ming Lei <[email protected]> Suggested-by: Andreas Gruenbacher <[email protected]> Suggested-by: Christoph Hellwig <[email protected]> Signed-off-by: Shida Zhang <[email protected]> --- block/bio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/block/bio.c b/block/bio.c index b3a79285c27..1b5e4577f4c 100644 --- a/block/bio.c +++ b/block/bio.c @@ -320,9 +320,13 @@ 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_ON(1); } /** -- 2.34.1
