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Message-Id: <20240822024718.2158259-13-yukuai1@huaweicloud.com>
Date: Thu, 22 Aug 2024 10:46:49 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: song@...nel.org,
mariusz.tkaczyk@...ux.intel.com,
l@...enly.org,
xni@...hat.com
Cc: linux-kernel@...r.kernel.org,
linux-raid@...r.kernel.org,
yukuai3@...wei.com,
yukuai1@...weicloud.com,
yi.zhang@...wei.com,
yangerkun@...wei.com
Subject: [PATCH md-6.12 12/41] md/md-bitmap: merge md_bitmap_create() into bitmap_operations
From: Yu Kuai <yukuai3@...wei.com>
So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
drivers/md/md-bitmap.c | 5 +++--
drivers/md/md-bitmap.h | 2 +-
drivers/md/md.c | 6 +++---
3 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 1241a10b7308..c0089e787215 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -1966,7 +1966,7 @@ static struct bitmap *__bitmap_create(struct mddev *mddev, int slot)
return ERR_PTR(err);
}
-int md_bitmap_create(struct mddev *mddev, int slot)
+static int bitmap_create(struct mddev *mddev, int slot)
{
struct bitmap *bitmap = __bitmap_create(mddev, slot);
@@ -2421,7 +2421,7 @@ location_store(struct mddev *mddev, const char *buf, size_t len)
}
mddev->bitmap_info.offset = offset;
- rv = md_bitmap_create(mddev, -1);
+ rv = bitmap_create(mddev, -1);
if (rv)
goto out;
@@ -2723,6 +2723,7 @@ const struct attribute_group md_bitmap_group = {
};
static struct bitmap_operations bitmap_ops = {
+ .create = bitmap_create,
};
void mddev_set_bitmap_ops(struct mddev *mddev)
diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h
index d66f447f4be6..f4c4925102b6 100644
--- a/drivers/md/md-bitmap.h
+++ b/drivers/md/md-bitmap.h
@@ -247,13 +247,13 @@ struct md_bitmap_stats {
};
struct bitmap_operations {
+ int (*create)(struct mddev *mddev, int slot);
};
/* the bitmap API */
void mddev_set_bitmap_ops(struct mddev *mddev);
/* these are used only by md/bitmap */
-int md_bitmap_create(struct mddev *mddev, int slot);
int md_bitmap_load(struct mddev *mddev);
void md_bitmap_flush(struct mddev *mddev);
void md_bitmap_destroy(struct mddev *mddev);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 105faffaac54..f766f5b8d2d3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6224,7 +6224,7 @@ int md_run(struct mddev *mddev)
}
if (err == 0 && pers->sync_request &&
(mddev->bitmap_info.file || mddev->bitmap_info.offset)) {
- err = md_bitmap_create(mddev, -1);
+ err = mddev->bitmap_ops->create(mddev, -1);
if (err)
pr_warn("%s: failed to create bitmap (%d)\n",
mdname(mddev), err);
@@ -7282,7 +7282,7 @@ static int set_bitmap_file(struct mddev *mddev, int fd)
err = 0;
if (mddev->pers) {
if (fd >= 0) {
- err = md_bitmap_create(mddev, -1);
+ err = mddev->bitmap_ops->create(mddev, -1);
if (!err)
err = md_bitmap_load(mddev);
@@ -7576,7 +7576,7 @@ 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 = md_bitmap_create(mddev, -1);
+ rv = mddev->bitmap_ops->create(mddev, -1);
if (!rv)
rv = md_bitmap_load(mddev);
--
2.39.2
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