mirror of https://github.com/torvalds/linux.git
2ece9ec62e
With fast memory registration in write path, we can reduce the memory consumption by using less max_send_sge, support IO bigger than 116 KB (29 segments * 4 KB) without splitting, and it also make the IO path more symmetric. To avoid some times MR reg failed, waiting for the invalidation to finish before the new mr reg. Introduce a refcount, only finish the request when both local invalidation and io reply are there. Link: https://lore.kernel.org/r/20210621055340.11789-3-jinpu.wang@ionos.com Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Signed-off-by: Dima Stepanov <dmitrii.stepanov@ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
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