29a33dab93
Every descriptor may now contain a separate descriptor table. This increases the maximum number of concurrent IO in a virtqueue from about (vq->size / 3) to (vq->size * SPDK_VHOST_IOVS_MAX). Knowing that SPDK_VHOST_IOVS_MAX is 128, and assuming that vq->size is 128 (current hardcoded limit for QEMU), this gives us over 16k concurrent possible iovectors on the fly Change-Id: I0853d80f6f90d53f8774231972b430a5bf05460e Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com> Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com> Reviewed-on: https://review.gerrithub.io/373703 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> |
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