On Wed, 6 May 2015 19:12:54 +0800 Joseph Qi <joseph...@huawei.com> wrote:

> BUG_ON(list_empty(&osb->blocked_lock_list)) in
> ocfs2_downconvert_thread_do_work can be triggered in the following case:
> ocfs2dc has firstly saved osb->blocked_lock_count to local varibale
> processed, and then processes the dentry lockres.
> During the dentry put, it calls iput and then deletes rw, inode and
> open lockres from blocked list in ocfs2_mark_lockres_freeing.
> And this casues the variable processed is not the number of blocked
> lockres to be processed and then triggers the BUG.
> 
> Signed-off-by: Joseph Qi <joseph...@huawei.com>
> Cc: <sta...@vger.kernel.org>

cc:stable means I'd like to merge this into 4.1-rcx.  Can we get some
acks, please?


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