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bio_add_pc_page
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
bio_add_pc_page - attempt to add page to bioSYNOPSIS
- 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.
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