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Subject[PATCH -next 23/29] md: use new apis to suspend array in backlog_store()
Date
From: Yu Kuai <yukuai3@huawei.com>

mddev_create/destroy_serial_pool() will be called from backlog_store(),
and mddev_suspend() will be called later.

Prepare to remove the mddev_suspend() from
mddev_create/destroy_serial_pool().

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
---
drivers/md/md-bitmap.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 7d21e2a5b06e..b3d701c5c461 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2537,7 +2537,7 @@ backlog_store(struct mddev *mddev, const char *buf, size_t len)
if (backlog > COUNTER_MAX)
return -EINVAL;

- rv = mddev_lock(mddev);
+ rv = mddev_suspend_and_lock(mddev);
if (rv)
return rv;

@@ -2562,16 +2562,16 @@ backlog_store(struct mddev *mddev, const char *buf, size_t len)
if (!backlog && mddev->serial_info_pool) {
/* serial_info_pool is not needed if backlog is zero */
if (!mddev->serialize_policy)
- mddev_destroy_serial_pool(mddev, NULL, false);
+ mddev_destroy_serial_pool(mddev, NULL, true);
} else if (backlog && !mddev->serial_info_pool) {
/* serial_info_pool is needed since backlog is not zero */
rdev_for_each(rdev, mddev)
- mddev_create_serial_pool(mddev, rdev, false);
+ mddev_create_serial_pool(mddev, rdev, true);
}
if (old_mwb != backlog)
md_bitmap_update_sb(mddev->bitmap);

- mddev_unlock(mddev);
+ mddev_unlock_and_resume(mddev);
return len;
}

--
2.39.2
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