Commit 5a2aa873 authored Sep 26, 2014 by Martin K. Petersen Committed by Jens Axboe Sep 27, 2014

block: Make protection interval calculation generic



Now that the protection interval has been detached from the sector size
we need to be able to handle sizes that are different from 4K and
512. Make the interval calculation generic.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 3be91c4a

block/bio-integrity.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -197,11 +197,7 @@ EXPORT_SYMBOL(bio_integrity_enabled);
		static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
		unsigned int sectors)
		{
		/* At this point there are only 512b or 4096b DIF/EPP devices */
		if (bi->interval == 4096)
		return sectors >>= 3;

		return sectors;
		return sectors >> (ilog2(bi->interval) - 9);
		}

		static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,

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