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block: fix comment in blk-iopoll.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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1 changed files with 6 additions and 3 deletions
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@ -115,9 +115,12 @@ static void blk_iopoll_softirq(struct softirq_action *h)
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local_irq_disable();
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/* Drivers must not modify the NAPI state if they
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* consume the entire weight. In such cases this code
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* still "owns" the NAPI instance and therefore can
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/*
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* Drivers must not modify the iopoll state, if they
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* consume their assigned weight (or more, some drivers can't
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* easily just stop processing, they have to complete an
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* entire mask of commands).In such cases this code
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* still "owns" the iopoll instance and therefore can
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* move the instance around on the list at-will.
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*/
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if (work >= weight) {
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