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blk: fix overflow in queue_discard_max_hw_show

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We get this right for queue_discard_max_show but not max_hw_show. Follow the
same pattern as queue_discard_max_show instead so that we don't truncate.

Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Alan 2016-02-17 14:15:30 +00:00 • committed by Jens Axboe
commit 18f922d037
1 changed files with 2 additions and 3 deletions
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5
block/blk-sysfs.c
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@ -147,10 +147,9 @@ static ssize_t queue_discard_granularity_show(struct request_queue *q, char *pag
static ssize_t queue_discard_max_hw_show(struct request_queue *q, char *page)
{
unsigned long long val;
val = q->limits.max_hw_discard_sectors << 9;
return sprintf(page, "%llu\n", val);
return sprintf(page, "%llu\n",
(unsigned long long)q->limits.max_hw_discard_sectors << 9);
}
static ssize_t queue_discard_max_show(struct request_queue *q, char *page)