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block: remove the fallback case in queue_dma_alignment

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Now that all updates go through blk_validate_limits the default of 511
is set at initialization time.  Also remove the unused NULL check as
calling this helper on a NULL queue can't happen (and doesn't make
much sense to start with).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240626142637.300624-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-06-26 16:26:28 +02:00 committed by Jens Axboe
parent 73781b3b81
commit abfc9d8109
1 changed files with 1 additions and 1 deletions
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2
include/linux/blkdev.h
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@ -1394,7 +1394,7 @@ static inline bool bdev_is_zone_start(struct block_device *bdev,
static inline int queue_dma_alignment(const struct request_queue *q)
{
return q ? q->limits.dma_alignment : 511;
return q->limits.dma_alignment;
}
static inline unsigned int