bb1cc74790
To support sqhd, for initiators that are following the spec and paying attention to sqhd vs their sqtail values: - add sqhd to struct nvmet_sq - initialize sqhd to 0 in nvmet_sq_setup - rather than propagate the 0's-based qsize value from the connect message which requires a +1 in every sqhd update, and as nothing else references it, convert to 1's-based value in nvmt_sq/cq_setup() calls. - validate connect message sqsize being non-zero per spec. - updated assign sqhd for every completion that goes back. Also remove handling the NULL sq case in __nvmet_req_complete, as it can't happen with the current code. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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