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target_core_iblock is plugging and unplugging on every command and this is causing perf issues for drivers that prefer batched cmds. With recent patches we can now take multiple cmds from a fabric driver queue and then pass them down the backend drivers in a batch. This patch adds this support by adding 2 callouts to the backend for plugging and unplugging the device. Subsequent commits will add support for iblock and tcmu device plugging. Link: https://lore.kernel.org/r/20210227170006.5077-22-michael.christie@oracle.com Reviewed-by: Bodo Stroesser <bostroesser@gmail.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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iscsi | ||
target_core_backend.h | ||
target_core_base.h | ||
target_core_fabric.h |