File 0024-compat-fixup-FMODE_READ-FMODE_WRITE-usage.... of Package drbd.20240511072635

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File 0024-compat-fixup-FMODE_READ-FMODE_WRITE-usage.patch of Package drbd.20240511072635

From 5a09ad97f57eb276dc1e9a84e1c82f11ce1fe1b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20B=C3=B6hmwalder?=
 <christoph.boehmwalder@linbit.com>
Date: Thu, 4 Apr 2024 15:53:31 +0200
Subject: [PATCH 1/3] compat: fixup FMODE_READ/FMODE_WRITE usage

Fixes: 4a84d1d0 ("compat: block: replace fmode_t with a block-specific type for block open flags")
---
 .../cocci/blk_mode_t__no_present.cocci            | 15 +++++++++++++++
 drbd/drbd-kernel-compat/gen_patch_names.c         |  6 +++---
 drbd/drbd_nl.c                                    |  2 +-
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/drbd/drbd-kernel-compat/cocci/blk_mode_t__no_present.cocci b/drbd/drbd-kernel-compat/cocci/blk_mode_t__no_present.cocci
index 030723c817de..d1312a093ffe 100644
--- a/drbd/drbd-kernel-compat/cocci/blk_mode_t__no_present.cocci
+++ b/drbd/drbd-kernel-compat/cocci/blk_mode_t__no_present.cocci
@@ -17,3 +17,18 @@ identifier mode;
 )
   ...>
   }
+
+@@
+@@
+// special case: bdev_open_by_path takes a blk_mode_t, so convert that too. I can't seem to get
+// coccinelle to match the "READ | WRITE" condition generically, so just hard code it.
+// NOTE: we use blkdev_get_by_path instead of bdev_open_by_path in some compat cases, so support that too.
+(
+bdev_open_by_path
+|
+blkdev_get_by_path
+)
+ (...,
+- BLK_OPEN_READ | BLK_OPEN_WRITE
++ FMODE_READ | FMODE_WRITE
+ , ...)
diff --git a/drbd/drbd-kernel-compat/gen_patch_names.c b/drbd/drbd-kernel-compat/gen_patch_names.c
index b136acf3148a..86a7ce7a93ed 100644
--- a/drbd/drbd-kernel-compat/gen_patch_names.c
+++ b/drbd/drbd-kernel-compat/gen_patch_names.c
@@ -565,15 +565,15 @@ int main(int argc, char **argv)
 	patch(1, "block_device_operations_open", true, false,
 	      COMPAT_BLOCK_DEVICE_OPERATIONS_OPEN_TAKES_GENDISK, "takes_gendisk");
 
-	patch(1, "blkdev_put", true, false,
-	      COMPAT_BLKDEV_PUT_HAS_HOLDER, "has_holder");
-
 	patch(1, "block_device_operations_release", true, false,
 	      COMPAT_BLOCK_DEVICE_OPERATIONS_RELEASE_TAKES_SINGLE_ARGUMENT, "takes_single_argument");
 
 	patch(1, "blk_mode_t", true, false,
 	      COMPAT_HAVE_BLK_MODE_T, "present");
 
+	patch(1, "blkdev_put", true, false,
+	      COMPAT_BLKDEV_PUT_HAS_HOLDER, "has_holder");
+
 	patch(1, "genl_info_userhdr", true, false,
 	      COMPAT_HAVE_GENL_INFO_USERHDR, "present");
 
diff --git a/drbd/drbd_nl.c b/drbd/drbd_nl.c
index d41ccfcd4bb2..a355f5d5feb1 100644
--- a/drbd/drbd_nl.c
+++ b/drbd/drbd_nl.c
@@ -2566,7 +2566,7 @@ static struct block_device *open_backing_dev(struct drbd_device *device,
 		const char *bdev_path, void *claim_ptr)
 {
 	struct block_device *bdev = blkdev_get_by_path(bdev_path,
-				  FMODE_READ | FMODE_WRITE,
+				  BLK_OPEN_READ | BLK_OPEN_WRITE,
 				  claim_ptr, NULL);
 	if (IS_ERR(bdev)) {
 		drbd_err(device, "open(\"%s\") failed with %ld\n",
-- 
2.44.0

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File 0024-compat-fixup-FMODE_READ-FMODE_WRITE-usage.patch of Package drbd.20240511072635

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