Change Details

- Add icl_pdu_append_bio and icl_pdu_get_bio methods. - When ICL_NOCOPY is used to append data from an unmapped I/O request to a PDU, construct unmapped mbufs from the relevant pages backing the struct bio.

- Add icl_pdu_append_bio and icl_pdu_get_bio methods. - When ICL_NOCOPY is used to append data from an unmapped I/O request to a PDU, construct unmapped mbufs from the relevant pages backing the struct bio. - Use m_apply with a helper to compute crc32 digests on mbuf chains to handle unmapped mbufs. Since m_apply requires PMAP_HAS_DMAP for unmapped mbufs, only support unmapped requests when PMAP_HAS_DMAP is true.

- Add icl_pdu_append_bio and icl_pdu_get_bio methods. - When ICL_NOCOPY is used to append data from an unmapped I/O request to a PDU, construct unmapped mbufs from the relevant pages backing the struct bio. - Use m_apply with a helper to compute crc32 digests on mbuf chains to handle unmapped mbufs. Since m_apply requires PMAP_HAS_DMAP for unmapped mbufs, only support unmapped requests when PMAP_HAS_DMAP is true.