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block: Make protection interval calculation generic

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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 <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Martin K. Petersen 2014-09-26 19:20:00 -04:00 • committed by Jens Axboe
commit 5a2aa87305
1 changed files with 1 additions and 5 deletions
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6
block/bio-integrity.c
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@ -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,