add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/s390/block/xpram.c
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@@ -182,7 +182,7 @@
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 /*
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  * Block device make request function.
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  */
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-static blk_qc_t xpram_make_request(struct request_queue *q, struct bio *bio)
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+static blk_qc_t xpram_submit_bio(struct bio *bio)
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 {
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 	xpram_device_t *xdev = bio->bi_disk->private_data;
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 	struct bio_vec bvec;
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@@ -191,7 +191,7 @@
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 	unsigned long page_addr;
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 	unsigned long bytes;
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-	blk_queue_split(q, &bio);
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+	blk_queue_split(&bio);
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 	if ((bio->bi_iter.bi_sector & 7) != 0 ||
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 	    (bio->bi_iter.bi_size & 4095) != 0)
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@@ -250,6 +250,7 @@
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 static const struct block_device_operations xpram_devops =
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 {
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 	.owner	= THIS_MODULE,
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+	.submit_bio = xpram_submit_bio,
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 	.getgeo	= xpram_getgeo,
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 };
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@@ -343,14 +344,13 @@
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 		xpram_disks[i] = alloc_disk(1);
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 		if (!xpram_disks[i])
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 			goto out;
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-		xpram_queues[i] = blk_alloc_queue(GFP_KERNEL);
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+		xpram_queues[i] = blk_alloc_queue(NUMA_NO_NODE);
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 		if (!xpram_queues[i]) {
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 			put_disk(xpram_disks[i]);
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 			goto out;
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 		}
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 		blk_queue_flag_set(QUEUE_FLAG_NONROT, xpram_queues[i]);
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 		blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, xpram_queues[i]);
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-		blk_queue_make_request(xpram_queues[i], xpram_make_request);
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 		blk_queue_logical_block_size(xpram_queues[i], 4096);
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 	}
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