bio_reset(9) centos man page | unix.com

BIO_RESET(9)							   The Linux VFS						      BIO_RESET(9)

NAME
       bio_reset - reinitialize a bio

SYNOPSIS
       void bio_reset(struct bio * bio);

ARGUMENTS
       bio
	   bio to reset

DESCRIPTION
       After calling bio_reset, bio will be in the same state as a freshly allocated bio returned bio bio_alloc_bioset - the only fields that are
       preserved are the ones that are initialized by bio_alloc_bioset. See comment in struct bio.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							      BIO_RESET(9)