unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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mmc: also set max_segment_size in the device

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If we only set the max_segment_size on the queue an IOMMU merge might
create bigger segments again, so limit the IOMMU merges as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2019-06-05 21:08:27 +02:00 committed by Jens Axboe
parent bb6f59af30
commit cf1db7fc8c
1 changed files with 2 additions and 0 deletions
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2
drivers/mmc/core/queue.c
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@ -377,6 +377,8 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
blk_queue_max_segment_size(mq->queue,
round_down(host->max_seg_size, block_size));
dma_set_max_seg_size(mmc_dev(host), queue_max_segment_size(mq->queue));
INIT_WORK(&mq->recovery_work, mmc_mq_recovery_handler);
INIT_WORK(&mq->complete_work, mmc_blk_mq_complete_work);