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dm integrity: use previously calculated log2 of sectors_per_block

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The log2 of sectors_per_block was already calculated, so we don't have
to use the ilog2 function.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mikulas Patocka 2017-04-26 18:39:47 -04:00 committed by Mike Snitzer
parent 6625d90325
commit 84ff1bcc2e
1 changed files with 1 additions and 2 deletions
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3
drivers/md/dm-integrity.c
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@ -14,7 +14,6 @@
#include <linux/rbtree.h>
#include <linux/delay.h>
#include <linux/random.h>
#include <linux/log2.h>
#include <crypto/hash.h>
#include <crypto/skcipher.h>
#include <linux/async_tx.h>
@ -2369,7 +2368,7 @@ static void dm_integrity_set(struct dm_target *ti, struct dm_integrity_c *ic)
bi.profile = &dm_integrity_profile;
bi.tuple_size = ic->tag_size;
bi.tag_size = bi.tuple_size;
bi.interval_exp = ilog2(ic->sectors_per_block << SECTOR_SHIFT);
bi.interval_exp = ic->sb->log2_sectors_per_block + SECTOR_SHIFT;
blk_integrity_register(disk, &bi);
blk_queue_max_integrity_segments(disk->queue, UINT_MAX);