On Fri, Apr 07, 2017 at 04:51:55PM +0800, Zefan Li wrote: > We end up using the same cgroup root for two different superblocks, > so percpu_ref_kill() will be called twice on the same root when the > two superblocks are destroyed. > > We should fix to make sure the superblock pinning is really successful. > > Cc: [email protected] # 3.16+ > Reported-by: Dmitry Vyukov <[email protected]> > Signed-off-by: Zefan Li <[email protected]>
Applied to cgroup/for-4.11-fixes. Thanks. -- tejun
