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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-08-06 22:53:23 +0400 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-09-11 16:33:32 +0400 |
| commit | fca51d64c5baf64604bc1edc5c5f0e7ed176322f (patch) | |
| tree | d9662eea84a8be4555bad3f12f5dd2cb26305302 /block/blk-iopoll.c | |
| parent | 37867ae7c549c58d44337e27738577ed8b7cd753 (diff) | |
| download | linux-fca51d64c5baf64604bc1edc5c5f0e7ed176322f.tar.xz | |
block: fix comment in blk-iopoll.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/blk-iopoll.c')
| -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 0671d4614b08..b9b32652292c 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) { |