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From:   Christoph Hellwig <hch@lst.de>
To:     song@kernel.org, Zhao Heming <heming.zhao@suse.com>
Cc:     lidong.zhong@suse.com, linux-raid@vger.kernel.org
Subject: split mddev_find and don't create new instance in ->open
Date:   Sat,  3 Apr 2021 18:15:27 +0200
Message-Id: <20210403161529.659555-1-hch@lst.de>
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Hi Song,

this series split mddev_find so that no new instances get created
in ->open.  This was originally part of a larger cleanup, but it
turns out to actually fix a bug found by Zhao.