From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 6 Aug 2009 18:53:23 +0000 (+0200)
Subject: block: fix comment in blk-iopoll.c
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=fca51d64c5baf64604bc1edc5c5f0e7ed176322f;p=openwrt%2Fstaging%2Fblogic.git

block: fix comment in blk-iopoll.c

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

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) {