1BIO_ADD_PC_PAGE(9)               The Linux VFS              BIO_ADD_PC_PAGE(9)
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NAME

6       bio_add_pc_page - attempt to add page to bio
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SYNOPSIS

9       int bio_add_pc_page(struct request_queue * q, struct bio * bio,
10                           struct page * page, unsigned int len,
11                           unsigned int offset);
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ARGUMENTS

14       q
15           the target queue
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17       bio
18           destination bio
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20       page
21           page to add
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23       len
24           vec entry length
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26       offset
27           vec entry offset
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DESCRIPTION

30       Attempt to add a page to the bio_vec maplist. This can fail for a
31       number of reasons, such as the bio being full or target block device
32       limitations. The target block device must allow bio's up to PAGE_SIZE,
33       so it is always possible to add a single page to an empty bio.
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35       This should only be used by REQ_PC bios.
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38Kernel Hackers Manual 3.10         June 2019                BIO_ADD_PC_PAGE(9)
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