From c1ebcb5b7b142c774fe78821d866fc7c3d14abf2 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 6 Jul 2018 15:30:30 +0200
Subject: [KERNEL] Add support for kernel 4.17.x

---
 src/kernel/blk.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/kernel/blk.c b/src/kernel/blk.c
index 511d349..405e2ef 100644
--- a/src/kernel/blk.c
+++ b/src/kernel/blk.c
@@ -94,8 +94,19 @@ int dnbd3_blk_add_device(dnbd3_device_t *dev, int minor)
 
 	disk->queue = blk_queue;
 	disk->private_data = dev;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 17, 0)
+	blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue);
+	blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, disk->queue);
+#else
 	queue_flag_set_unlocked(QUEUE_FLAG_NONROT, disk->queue);
+#endif
+#define ONE_MEG (1048576)
+	blk_queue_max_segment_size(disk->queue, ONE_MEG);
+	blk_queue_max_segments(disk->queue, 0xffff);
+	blk_queue_max_hw_sectors(disk->queue, ONE_MEG / DNBD3_BLOCK_SIZE);
+	disk->queue->limits.max_sectors = 512;
 	dev->disk = disk;
+#undef ONE_MEG
 
 	add_disk(disk);
 	dnbd3_sysfs_init(dev);
-- 
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