File bsc-1201335_01-compat-test-and-cocci-patch-for-... of Package drbd

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File bsc-1201335_01-compat-test-and-cocci-patch-for-bdi-in-gendisk.patch of Package drbd

From 25592a4a902415cf1a353a1e26ba11b4ccc0eca7 Mon Sep 17 00:00:00 2001
From: <christoph.boehmwalder@linbit.com>
Date: Wed, 6 Apr 2022 12:27:36 +0200
Subject: [PATCH] compat: test and cocci patch for bdi in gendisk

---
 .../cocci/struct_gendisk__no_has_backing_dev_info.cocci   | 6 ++++++
 drbd/drbd-kernel-compat/gen_patch_names.c                 | 3 +++
 .../tests/struct_gendisk_has_backing_dev_info.c           | 8 ++++++++
 3 files changed, 17 insertions(+)
 create mode 100644 drbd/drbd-kernel-compat/cocci/struct_gendisk__no_has_backing_dev_info.cocci
 create mode 100644 drbd/drbd-kernel-compat/tests/struct_gendisk_has_backing_dev_info.c

diff --git a/drbd/drbd-kernel-compat/cocci/struct_gendisk__no_has_backing_dev_info.cocci b/drbd/drbd-kernel-compat/cocci/struct_gendisk__no_has_backing_dev_info.cocci
new file mode 100644
index 000000000000..b3d290710ee8
--- /dev/null
+++ b/drbd/drbd-kernel-compat/cocci/struct_gendisk__no_has_backing_dev_info.cocci
@@ -0,0 +1,6 @@
+@@
+struct drbd_device *d;
+@@
+d->ldev->backing_bdev->
+- bd_disk->bdi
++ bd_disk->queue->backing_dev_info
diff -Nupr a/drbd/drbd-kernel-compat/gen_patch_names.c b/drbd/drbd-kernel-compat/gen_patch_names.c
--- a/drbd/drbd-kernel-compat/gen_patch_names.c	2022-07-08 19:43:37.106735503 +0800
+++ b/drbd/drbd-kernel-compat/gen_patch_names.c	2022-07-08 19:45:17.570310319 +0800
@@ -396,6 +396,9 @@ int main(int argc, char **argv)
 	      COMPAT_HAVE_BLK_QUEUE_UPDATE_READAHEAD, "present");
 #endif
 
+	patch(1, "struct_gendisk", true, false,
+	      COMPAT_STRUCT_GENDISK_HAS_BACKING_DEV_INFO, "has_backing_dev_info");
+
 	patch(1, "backing_dev_info", true, false,
 	      COMPAT_HAVE_POINTER_BACKING_DEV_INFO, "is_pointer");
 
diff --git a/drbd/drbd-kernel-compat/tests/struct_gendisk_has_backing_dev_info.c b/drbd/drbd-kernel-compat/tests/struct_gendisk_has_backing_dev_info.c
new file mode 100644
index 000000000000..cd40214a564c
--- /dev/null
+++ b/drbd/drbd-kernel-compat/tests/struct_gendisk_has_backing_dev_info.c
@@ -0,0 +1,8 @@
+/* { "version": "v5.15-rc1", "commit": "21cf866145047f8bfecb38ec8d2fed64464c074f", "comment": "The backing_dev_info was moved from request_queue to backing_dev_info", "author": "Christoph Hellwig <hch@lst.de>", "date": "Wed Jul 1 11:06:22 2020 +0200" } */
+
+#include <linux/blkdev.h>
+
+struct backing_dev_info *foo(struct gendisk *d)
+{
+	return d->bdi;
+}
-- 
2.34.1

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File bsc-1201335_01-compat-test-and-cocci-patch-for-bdi-in-gendisk.patch of Package drbd

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