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Commit 5a2aa873 authored by Martin K. Petersen's avatar Martin K. Petersen Committed by Jens Axboe
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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: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarSagi Grimberg <sagig@mellanox.com>
Signed-off-by: default avatarJens 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,