if (b) 
if (b) { b->bi_destructor = bio_fs_destructor; 
struct bio *bio_clone(struct bio *bio, unsigned int __nocast gfp_mask){	struct bio *b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, fs_bio_set);	if (b)		__bio_clone(b, bio);	return b;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/3676347a5e216a7fec7f8eedbbcf8bed6b9c4e40/bio.c/buggy/fs/bio.c