Messages in this thread | | | Date | Mon, 12 Mar 2012 11:04:23 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH] blk-cgroup: Call cgroup_path only under cgroup lock |
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Hello, Sasha.
On Mon, Mar 12, 2012 at 04:01:18PM -0400, Sasha Levin wrote: > Since we can't keep rcu read lock during blkg_alloc(), we currently > call cgroup_path() without any locks at all. > > This patch adds cgroup locking before calling cgroup_path. > > This also fixes a lockdep warning on boot. > > Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Which branch is this against? There's already pending stat update patch from Vivek which fix this problem along with the percpu allocation problem.
Thanks.
-- tejun
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