Name
bio_add_page —
attempt to add page to bio
Synopsis
int fsfuncbio_add_page ( | struct bio * bio, |
| | struct page * page, |
| | unsigned int len, |
| | unsigned int offset); |
Arguments
bio
destination bio
page
page to add
len
vec entry length
offset
vec entry offset
Description
Attempt to add a page to the bio_vec maplist. This can fail for a
number of reasons, such as the bio being full or target block device
limitations. The target block device must allow bio's up to PAGE_SIZE,
so it is always possible to add a single page to an empty bio.