diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 11:28:58 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 11:28:58 +0800 |
commit | df2071bd081408318d659cd14a9cf6ff23d874c9 (patch) | |
tree | b31291b5fd4b9f84c629833afbfaa8d431857475 /block/blk-timeout.c | |
parent | 97e3d94aac1c3e95bd04d1b186479a4df3663ab8 (diff) | |
parent | be1066bbcd443a65df312fdecea7e4959adedb45 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'block/blk-timeout.c')
-rw-r--r-- | block/blk-timeout.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c index 1ba7e0aca87..4f0c06c7a33 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); |