[dm-devel] [PATCH -next v3 06/25] md: use new apis to suspend array for level_store()
Yu Kuai
yukuai1 at huaweicloud.com
Thu Sep 28 06:15:24 UTC 2023
From: Yu Kuai <yukuai3 at huawei.com>
Convert to use new apis, the old apis will be removed eventually.
This is not hot path, so performance is not concerned.
Signed-off-by: Yu Kuai <yukuai3 at huawei.com>
---
drivers/md/md.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index d1ec4805aa4e..740c477a6149 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4019,7 +4019,7 @@ level_store(struct mddev *mddev, const char *buf, size_t len)
if (slen == 0 || slen >= sizeof(clevel))
return -EINVAL;
- rv = mddev_lock(mddev);
+ rv = mddev_suspend_and_lock(mddev);
if (rv)
return rv;
@@ -4112,7 +4112,6 @@ level_store(struct mddev *mddev, const char *buf, size_t len)
}
/* Looks like we have a winner */
- mddev_suspend(mddev);
mddev_detach(mddev);
spin_lock(&mddev->lock);
@@ -4198,14 +4197,13 @@ level_store(struct mddev *mddev, const char *buf, size_t len)
blk_set_stacking_limits(&mddev->queue->limits);
pers->run(mddev);
set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags);
- mddev_resume(mddev);
if (!mddev->thread)
md_update_sb(mddev, 1);
sysfs_notify_dirent_safe(mddev->sysfs_level);
md_new_event();
rv = len;
out_unlock:
- mddev_unlock(mddev);
+ mddev_unlock_and_resume(mddev);
return rv;
}
--
2.39.2
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