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authorIngo Molnar <mingo@elte.hu>2010-04-30 09:56:41 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-30 09:56:44 +0200
commit3ca50496c2677a2b3fdd3ede86660fd1433beac6 (patch)
tree97a76d8479a8d8a96e04ed0694b8dbf89457bfcc /block/blk-timeout.c
parent462b04e28a7ec1339c892117c3f20a40e55d0e83 (diff)
parent66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff)
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Merge commit 'v2.6.34-rc6' into perf/core
Merge reason: update to the latest -rc. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'block/blk-timeout.c')
-rw-r--r--block/blk-timeout.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 1ba7e0a..4f0c06c 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -109,6 +109,7 @@ void blk_rq_timed_out_timer(unsigned long data)
struct request_queue *q = (struct request_queue *) data;
unsigned long flags, next = 0;
struct request *rq, *tmp;
+ int next_set = 0;
spin_lock_irqsave(q->queue_lock, flags);
@@ -122,16 +123,13 @@ 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))
+ } else if (!next_set || time_after(next, rq->deadline)) {
next = rq->deadline;
+ next_set = 1;
+ }
}
- /*
- * next can never be 0 here with the list non-empty, since we always
- * bump ->deadline to 1 so we can detect if the timer was ever added
- * or not. See comment in blk_add_timer()
- */
- if (next)
+ if (next_set)
mod_timer(&q->timeout, round_jiffies_up(next));
spin_unlock_irqrestore(q->queue_lock, flags);