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SubjectRe: [PATCH v3.5-rc1] blkcg: fix blkg_alloc() failure path
On 06/04/2012 08:21 AM, Tejun Heo wrote:
> When policy data allocation fails in the middle, blkg_alloc() invokes
> blkg_free() to destroy the half constructed blkg. This ends up
> calling pd_exit_fn() on policy datas which didn't go through
> pd_init_fn(). Fix it by making blkg_alloc() call pd_init_fn()
> immediately after each policy data allocation.
> Signed-off-by: Tejun Heo <>
> Acked-by: Vivek Goyal <>
> ---
> Jens, this was posted as part of "block: implement per-blkg request
> allocation" patchset[1] but should be applied as fix on v3.5-rc1.

Applied for 3.5 current, thanks.

Jens Axboe

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