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0544f5494a
In the case of small NVMe-oF queue size (<32) we may enter a deadlock caused by the fact that the IB completions aren't sent waiting for 32 and the send queue will fill up. The error is seen as (using mlx5): [ 2048.693355] mlx5_0:mlx5_ib_post_send:3765:(pid 7273): [ 2048.693360] nvme nvme1: nvme_rdma_post_send failed with error code -12 This patch changes the way the signaling is done so that it depends on the queue depth now. The magic define has been removed completely. Cc: stable@vger.kernel.org Signed-off-by: Marta Rybczynska <marta.rybczynska@kalray.eu> Signed-off-by: Samuel Jones <sjones@kalray.eu> Acked-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> |
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