4125a09b0a
The libnvidmm-btt and nvme drivers use blk_integrity to reserve space for per-sector metadata, but sometimes without protection checksums. This property is generically useful, so teach the block core to internally specify a nop profile if one is not provided at registration time. Cc: Keith Busch <keith.busch@intel.com> Cc: Matthew Wilcox <willy@linux.intel.com> Suggested-by: Christoph Hellwig <hch@lst.de> [hch: kill the local nvme nop profile as well] Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com> |
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