BIO_PUT(9) The Linux VFS BIO_PUT(9)NAMEbio_put - release a reference to a bio
void bio_put(struct bio * bio);
bio to release reference to
Put a reference to a struct bio, either one you have gotten with
bio_alloc, bio_get or bio_clone. The last put of a bio will free it.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 BIO_PUT(9)