table of contents
| BIO_ADD_PC_PAGE(9) | The Linux VFS | BIO_ADD_PC_PAGE(9) |
NAME¶
bio_add_pc_page - attempt to add page to bio
SYNOPSIS¶
int bio_add_pc_page(struct request_queue * q, struct bio * bio, struct page * page, unsigned int len, unsigned int offset);
ARGUMENTS¶
q
the target queue
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 smaller than PAGE_SIZE, so it is always possible to add a single page to an empty bio. This should only be used by REQ_PC bios.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |