Aliaksei Karaliou 565e045012 md/raid5: simplify uninitialization of shrinker
Don't use shrinker.nr_deferred to check whether shrinker was
initialized or not. Now this check was integrated into
unregister_shrinker(), so it is safe to call it against
unregistered shrinker.

Signed-off-by: Aliaksei Karaliou <akaraliou.dev@gmail.com>
Signed-off-by: Shaohua Li <sh.li@alibaba-inc.com>
2018-02-17 12:35:34 -08:00
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