/* This patch is related with following upstream kernel commit. */

From 40349d0e16cedd0de561f59752c3249780fb749b Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 15 Apr 2022 06:52:35 +0200
Subject: [PATCH] drbd: remove assign_p_sizes_qlim
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Fold each branch into its only caller.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20220415045258.199825-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff -Nupr a/drbd/drbd_main.c b/drbd/drbd_main.c
--- a/drbd/drbd_main.c	2022-08-22 23:16:08.082402396 +0800
+++ b/drbd/drbd_main.c	2022-08-22 23:22:31.292772570 +0800
@@ -1565,31 +1565,6 @@ int drbd_attach_peer_device(struct drbd_
 	return err;
 }
 
-/* communicated if (agreed_features & DRBD_FF_WSAME) */
-static void assign_p_sizes_qlim(struct drbd_device *device, struct p_sizes *p, struct request_queue *q)
-{
-	if (q) {
-		p->qlim->physical_block_size = cpu_to_be32(queue_physical_block_size(q));
-		p->qlim->logical_block_size = cpu_to_be32(queue_logical_block_size(q));
-		p->qlim->alignment_offset = cpu_to_be32(queue_alignment_offset(q));
-		p->qlim->io_min = cpu_to_be32(queue_io_min(q));
-		p->qlim->io_opt = cpu_to_be32(queue_io_opt(q));
-		p->qlim->discard_enabled = !!bdev_max_discard_sectors(device->ldev->backing_bdev);
-		p->qlim->discard_zeroes_data = queue_discard_zeroes_data(q);
-		p->qlim->write_same_capable = !!q->limits.max_write_same_sectors;
-	} else {
-		q = device->rq_queue;
-		p->qlim->physical_block_size = cpu_to_be32(queue_physical_block_size(q));
-		p->qlim->logical_block_size = cpu_to_be32(queue_logical_block_size(q));
-		p->qlim->alignment_offset = 0;
-		p->qlim->io_min = cpu_to_be32(queue_io_min(q));
-		p->qlim->io_opt = cpu_to_be32(queue_io_opt(q));
-		p->qlim->discard_enabled = 0;
-		p->qlim->discard_zeroes_data = 0;
-		p->qlim->write_same_capable = 0;
-	}
-}
-
 int drbd_send_sizes(struct drbd_peer_device *peer_device,
 		    uint64_t u_size_diskless, enum dds_flags flags)
 {
@@ -1610,7 +1585,9 @@ int drbd_send_sizes(struct drbd_peer_dev
 
 	memset(p, 0, packet_size);
 	if (get_ldev_if_state(device, D_NEGOTIATING)) {
-		struct request_queue *q = bdev_get_queue(device->ldev->backing_bdev);
+		struct block_device *bdev = device->ldev->backing_bdev;
+		struct request_queue *q = bdev_get_queue(bdev);
+
 		d_size = drbd_get_max_capacity(device, device->ldev, false);
 		rcu_read_lock();
 		u_size = rcu_dereference(device->ldev->disk_conf)->disk_size;
@@ -1618,14 +1595,32 @@ int drbd_send_sizes(struct drbd_peer_dev
 		q_order_type = drbd_queue_order_type(device);
 		max_bio_size = queue_max_hw_sectors(q) << 9;
 		max_bio_size = min(max_bio_size, DRBD_MAX_BIO_SIZE);
-		assign_p_sizes_qlim(device, p, q);
+		p->qlim->physical_block_size =
+			cpu_to_be32(bdev_physical_block_size(bdev));
+		p->qlim->logical_block_size =
+			cpu_to_be32(bdev_logical_block_size(bdev));
+		p->qlim->alignment_offset =
+			cpu_to_be32(bdev_alignment_offset(bdev));
+		p->qlim->io_min = cpu_to_be32(bdev_io_min(bdev));
+		p->qlim->io_opt = cpu_to_be32(bdev_io_opt(bdev));
+		p->qlim->discard_enabled = !!bdev_max_discard_sectors(bdev);
 		put_ldev(device);
 	} else {
+		struct request_queue *q = device->rq_queue;
+
+		p->qlim->physical_block_size =
+			cpu_to_be32(queue_physical_block_size(q));
+		p->qlim->logical_block_size =
+			cpu_to_be32(queue_logical_block_size(q));
+		p->qlim->alignment_offset = 0;
+		p->qlim->io_min = cpu_to_be32(queue_io_min(q));
+		p->qlim->io_opt = cpu_to_be32(queue_io_opt(q));
+		p->qlim->discard_enabled = 0;
+
 		d_size = 0;
 		u_size = u_size_diskless;
 		q_order_type = QUEUE_ORDERED_NONE;
 		max_bio_size = DRBD_MAX_BIO_SIZE; /* ... multiple BIOs per peer_request */
-		assign_p_sizes_qlim(device, p, NULL);
 	}
 
 	if (peer_device->connection->agreed_pro_version <= 94)