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  • Mike Christie's avatar
    target: allow ALUA setup for some passthrough backends · 530c6891
    Mike Christie authored
    This patch allows passthrough backends to use the core/base LIO
    ALUA setup and state checks, but still handle the execution of
    This will allow the target_core_user module to execute STPG and RTPG
    in userspace, and not have to duplicate the ALUA state checks, path
    information (needed so we can check if command is executable on
    specific paths) and setup (rtslib sets/updates the configfs ALUA
    interface like it does for iblock or file).
    For STPG, the target_core_user userspace daemon, tcmu-runner will
    still execute the STPG, and to update the core/base LIO state it
    will use the existing configfs interface. For RTPG, tcmu-runner
    will loop over configfs and/or cache the state.
    Signed-off-by: default avatarMike Christie <>
    Signed-off-by: default avatarNicholas Bellinger <>