On Mon, Sep 08, 2014 at 11:12:21AM +0900, Tejun Heo wrote: > With the recent addition of percpu_ref_reinit(), percpu_ref now can be > used as a persistent switch which can be turned on and off repeatedly > where turning off maps to killing the ref and waiting for it to drain; > however, there currently isn't a way to initialize a percpu_ref in its > off (killed and drained) state, which can be inconvenient for certain > persistent switch use cases. > > This patch adds percpu_ref_set_killed() which forces the percpu_ref > into its killed and drained state. The caller is responsible for > ensuring that no one else is using the ref. This can be used to force > the percpu_ref into its off state after initialization. > > Signed-off-by: Tejun Heo <t...@kernel.org> > Cc: Kent Overstreet <k...@daterainc.com>
This turned out to be too limited. Dropping this one. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
