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The SCSI-to-NVMe translations were added to assist storage applications utilizing SG_IO transitioning to NVMe. It was always recommended, however, to use native NVMe for device management as too much is lost in translation and the maintenance burden in keeping this kludgey layer around has been neglected such that much of the translations are completely broken. This patch removes SG_IO handling from NVMe to avoid any confusion regarding maintenance support for this interface. The config option for NVMe SCSI emulation has been disabled by default since 4.5. The driver has supported native nvme user commands since the beginning, and native tooling is publicly available for use or as reference for anyone writing their own tools, so there's no excuse for hanging onto a broken crutch. Signed-off-by: Keith Busch <keith.busch@intel.com> Acked-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Guan Junxiong <guanjunxiong@huawei.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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