diff options
| -rw-r--r-- | block/blk-iopoll.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c index 0671d4614b0..b9b32652292 100644 --- a/block/blk-iopoll.c +++ b/block/blk-iopoll.c @@ -115,9 +115,12 @@ static void blk_iopoll_softirq(struct softirq_action *h) local_irq_disable(); - /* Drivers must not modify the NAPI state if they - * consume the entire weight. In such cases this code - * still "owns" the NAPI instance and therefore can + /* + * Drivers must not modify the iopoll state, if they + * consume their assigned weight (or more, some drivers can't + * easily just stop processing, they have to complete an + * entire mask of commands).In such cases this code + * still "owns" the iopoll instance and therefore can * move the instance around on the list at-will. */ if (work >= weight) { |