From: Yu Kuai <yukuai3@xxxxxxxxxx>
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@xxxxxxxxxx>
---
drivers/md/md-bitmap.c | 9 +++++----
drivers/md/md-bitmap.h | 2 +-
drivers/md/md.c | 2 +-
3 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 5838366f47aa..51c43dced1e8 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -1298,7 +1298,7 @@ static void mddev_set_timeout(struct mddev *mddev, unsigned long timeout,
* bitmap daemon -- periodically wakes up to clean bits and flush pages
* out to disk
*/
-void md_bitmap_daemon_work(struct mddev *mddev)
+static void bitmap_daemon_work(struct mddev *mddev)
{
struct bitmap *bitmap;
unsigned long j;
@@ -1815,11 +1815,11 @@ static void bitmap_flush(struct mddev *mddev)
*/
sleep = mddev->bitmap_info.daemon_sleep * 2;
bitmap->daemon_lastrun -= sleep;
- md_bitmap_daemon_work(mddev);
+ bitmap_daemon_work(mddev);
bitmap->daemon_lastrun -= sleep;
- md_bitmap_daemon_work(mddev);
+ bitmap_daemon_work(mddev);
bitmap->daemon_lastrun -= sleep;
- md_bitmap_daemon_work(mddev);
+ bitmap_daemon_work(mddev);
if (mddev->bitmap_info.external)
md_super_wait(mddev);
bitmap_update_sb(bitmap);
@@ -2754,6 +2754,7 @@ static struct bitmap_operations bitmap_ops = {
.write_all = bitmap_write_all,
.dirty_bits = bitmap_dirty_bits,
.unplug = bitmap_unplug,
+ .daemon_work = bitmap_daemon_work,
.startwrite = bitmap_startwrite,
.endwrite = bitmap_endwrite,
diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h
index dbe9b27091f4..065b36c0c43a 100644
--- a/drivers/md/md-bitmap.h
+++ b/drivers/md/md-bitmap.h
@@ -255,6 +255,7 @@ struct bitmap_operations {
void (*dirty_bits)(struct mddev *mddev, unsigned long s,
unsigned long e);
void (*unplug)(struct mddev *mddev, bool sync);
+ void (*daemon_work)(struct mddev *mddev);
int (*startwrite)(struct mddev *mddev, sector_t offset,
unsigned long sectors, bool behind);
@@ -278,7 +279,6 @@ struct bitmap_operations {
void mddev_set_bitmap_ops(struct mddev *mddev);
/* these are exported */
-void md_bitmap_daemon_work(struct mddev *mddev);
int md_bitmap_resize(struct bitmap *bitmap, sector_t blocks,
int chunksize, int init);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 6f68f8da0848..4046df5dc33e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -9639,7 +9639,7 @@ static void unregister_sync_thread(struct mddev *mddev)
void md_check_recovery(struct mddev *mddev)
{
if (mddev->bitmap)
- md_bitmap_daemon_work(mddev);
+ mddev->bitmap_ops->daemon_work(mddev);
if (signal_pending(current)) {
if (mddev->pers->sync_request && !mddev->external) {
--
2.39.2
