File 0023-drbd-move-flags-to-queue_limits.patch of Package drbd

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File 0023-drbd-move-flags-to-queue_limits.patch of Package drbd

From ac4e2f85066d2da306ec0e3fed8db4e945be6f6d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20B=C3=B6hmwalder?=
 <christoph.boehmwalder@linbit.com>
Date: Thu, 5 Sep 2024 13:03:07 +0200
Subject: [PATCH 23/32] drbd: move flags to queue_limits

Roughly equivalent to the following commits from upstream Linux:

1122c0c1 block: move cache control settings out of queue->flags
bd4a633b block: move the nonrot flag to queue_limits
1a02f3a7 block: move the stable_writes flag to queue_limits
---
 drbd/drbd_main.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drbd/drbd_main.c b/drbd/drbd_main.c
index 2792b9896271..407b0a1d1773 100644
--- a/drbd/drbd_main.c
+++ b/drbd/drbd_main.c
@@ -3886,6 +3886,11 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
 	int vnr = adm_ctx->volume;
 	enum drbd_ret_code err = ERR_NOMEM;
 	bool locked = false;
+	struct queue_limits lim = {
+		.features = BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA |
+			    BLK_FEAT_ROTATIONAL |
+			    BLK_FEAT_STABLE_WRITES,
+	};
 
 	lockdep_assert_held(&resource->conf_update);
 
@@ -3948,7 +3953,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
 
 	init_rwsem(&device->uuid_sem);
 
-	disk = blk_alloc_disk(NULL, NUMA_NO_NODE);
+	disk = blk_alloc_disk(&lim, NUMA_NO_NODE);
 	if (IS_ERR(disk)) {
 		err = PTR_ERR(disk);
 		goto out_no_disk;
@@ -3967,9 +3972,6 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
 	sprintf(disk->disk_name, "drbd%d", minor);
 	disk->private_data = device;
 
-	blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, disk->queue);
-	blk_queue_write_cache(disk->queue, true, true);
-
 	device->md_io.page = alloc_page(GFP_KERNEL);
 	if (!device->md_io.page)
 		goto out_no_io_page;
-- 
2.35.3

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File 0023-drbd-move-flags-to-queue_limits.patch of Package drbd

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