• James Smart's avatar
    nvmet-fc: simplify sg list handling · 48fa362b
    James Smart authored
    The existing nvmet_fc sg list handling has 2 faults:
    a) the request between LLDD and transport has too large of an sg
       list (256 elements), which is normally 256k (64 elements).
    b) sglist handling doesn't optimize on the fact that each element
       is a page.
    This patch removes the static sg list in the request and uses the
    dynamic list already present in the nvmet_fc transport. It also
    simplies the handling of the sg list on multiple sequences to
    take advantage of the per-page divisions.
    Signed-off-by: default avatarJames Smart <james.smart@broadcom.com>
    Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
nvme-fc-driver.h 37.7 KB