linux-kernel - [PATCH 08/17] block: clean up misc stuff after block layer timeout conversion

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Date:	Mon, 16 Mar 2009 11:28:51 +0900
From:	Tejun Heo <tj@...nel.org>
To:	axboe@...nel.dk, linux-kernel@...r.kernel.org, bzolnier@...il.com
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 08/17] block: clean up misc stuff after block layer timeout conversion

Impact: cleanup

* In blk_rq_timed_out_timer(), else { if } to else if

* In blk_add_timer(), simplify if/else block

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 block/blk-timeout.c |   22 +++++++++-------------
 1 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index bbbdc4b..0bc3961 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -122,10 +122,8 @@ void blk_rq_timed_out_timer(unsigned long data)
 			if (blk_mark_rq_complete(rq))
 				continue;
 			blk_rq_timed_out(rq);
-		} else {
-			if (!next || time_after(next, rq->deadline))
-				next = rq->deadline;
-		}
+		} else if (!next || time_after(next, rq->deadline))
+			next = rq->deadline;
 	}
 
 	/*
@@ -176,16 +174,14 @@ void blk_add_timer(struct request *req)
 	BUG_ON(!list_empty(&req->timeout_list));
 	BUG_ON(test_bit(REQ_ATOM_COMPLETE, &req->atomic_flags));
 
-	if (req->timeout)
-		req->deadline = jiffies + req->timeout;
-	else {
-		req->deadline = jiffies + q->rq_timeout;
-		/*
-		 * Some LLDs, like scsi, peek at the timeout to prevent
-		 * a command from being retried forever.
-		 */
+	/*
+	 * Some LLDs, like scsi, peek at the timeout to prevent a
+	 * command from being retried forever.
+	 */
+	if (!req->timeout)
 		req->timeout = q->rq_timeout;
-	}
+
+	req->deadline = jiffies + req->timeout;
 	list_add_tail(&req->timeout_list, &q->timeout_list);
 
 	/*
-- 
1.6.0.2

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