Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       bio_get_nr_vecs - return approx number of vecs

SYNOPSIS

       int bio_get_nr_vecs  (struct block_device * bdev);

ARGUMENTS

       bdev   I/O target

DESCRIPTION

       Return  the  approximate  number  of  pages we can send to this target.
       There’s no guarantee that you will be able to fit this number of  pages
       into  a  bio, it does not account for dynamic restrictions that vary on
       offset.