linux-kernel - [PATCH 05/23] md/md-bitmap: remove parameter slot from bitmap

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Message-Id: <20250524061320.370630-6-yukuai1@huaweicloud.com>
Date: Sat, 24 May 2025 14:13:02 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: hch@....de,
	xni@...hat.com,
	colyli@...nel.org,
	song@...nel.org,
	yukuai3@...wei.com
Cc: linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-raid@...r.kernel.org,
	yukuai1@...weicloud.com,
	yi.zhang@...wei.com,
	yangerkun@...wei.com,
	johnny.chenyi@...wei.com
Subject: [PATCH 05/23] md/md-bitmap: remove parameter slot from bitmap_create()

From: Yu Kuai <yukuai3@...wei.com>

All callers pass in '-1' for 'slot', hence it can be removed.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
Reviewed-by: Christoph Hellwig <hch@....de>
---
 drivers/md/md-bitmap.c | 6 +++---
 drivers/md/md-bitmap.h | 2 +-
 drivers/md/md.c        | 6 +++---
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 848626049dea..17d41a7b30ce 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2185,9 +2185,9 @@ static struct bitmap *__bitmap_create(struct mddev *mddev, int slot)
 	return ERR_PTR(err);
 }
 
-static int bitmap_create(struct mddev *mddev, int slot)
+static int bitmap_create(struct mddev *mddev)
 {
-	struct bitmap *bitmap = __bitmap_create(mddev, slot);
+	struct bitmap *bitmap = __bitmap_create(mddev, -1);
 
 	if (IS_ERR(bitmap))
 		return PTR_ERR(bitmap);
@@ -2649,7 +2649,7 @@ location_store(struct mddev *mddev, const char *buf, size_t len)
 			}
 
 			mddev->bitmap_info.offset = offset;
-			rv = bitmap_create(mddev, -1);
+			rv = bitmap_create(mddev);
 			if (rv)
 				goto out;
 
diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h
index 4d804c07dbdd..2b99ddef7a41 100644
--- a/drivers/md/md-bitmap.h
+++ b/drivers/md/md-bitmap.h
@@ -77,7 +77,7 @@ struct bitmap_operations {
 	struct md_submodule_head head;
 
 	bool (*enabled)(void *data);
-	int (*create)(struct mddev *mddev, int slot);
+	int (*create)(struct mddev *mddev);
 	int (*resize)(struct mddev *mddev, sector_t blocks, int chunksize);
 
 	int (*load)(struct mddev *mddev);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 466087cef4f9..311e52d5173d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6255,7 +6255,7 @@ int md_run(struct mddev *mddev)
 	}
 	if (err == 0 && pers->sync_request && md_bitmap_registered(mddev) &&
 	    (mddev->bitmap_info.file || mddev->bitmap_info.offset)) {
-		err = mddev->bitmap_ops->create(mddev, -1);
+		err = mddev->bitmap_ops->create(mddev);
 		if (err)
 			pr_warn("%s: failed to create bitmap (%d)\n",
 				mdname(mddev), err);
@@ -7324,7 +7324,7 @@ static int set_bitmap_file(struct mddev *mddev, int fd)
 	err = 0;
 	if (mddev->pers) {
 		if (fd >= 0) {
-			err = mddev->bitmap_ops->create(mddev, -1);
+			err = mddev->bitmap_ops->create(mddev);
 			if (!err)
 				err = mddev->bitmap_ops->load(mddev);
 
@@ -7648,7 +7648,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
 				mddev->bitmap_info.default_offset;
 			mddev->bitmap_info.space =
 				mddev->bitmap_info.default_space;
-			rv = mddev->bitmap_ops->create(mddev, -1);
+			rv = mddev->bitmap_ops->create(mddev);
 			if (!rv)
 				rv = mddev->bitmap_ops->load(mddev);
 
-- 
2.39.2