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authorDavid S. Miller <davem@davemloft.net>2010-05-12 03:05:35 -0400
committerDavid S. Miller <davem@davemloft.net>2010-05-12 03:05:35 -0400
commit278554bd6579206921f5d8a523649a7a57f8850d (patch)
tree4e6c527daf0910e455b3aa72e2c96b0479e430be /block/blk-timeout.c
parent5a147e8bf982f9dd414c1dd751fe02c1942506b2 (diff)
parentcea0d767c29669bf89f86e4aee46ef462d2ebae8 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ar9170/usb.c drivers/scsi/iscsi_tcp.c net/ipv4/ipmr.c
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 1ba7e0aca878..4f0c06c7a338 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -109,6 +109,7 @@ void blk_rq_timed_out_timer(unsigned long data)
109 struct request_queue *q = (struct request_queue *) data; 109 struct request_queue *q = (struct request_queue *) data;
110 unsigned long flags, next = 0; 110 unsigned long flags, next = 0;
111 struct request *rq, *tmp; 111 struct request *rq, *tmp;
112 int next_set = 0;
112 113
113 spin_lock_irqsave(q->queue_lock, flags); 114 spin_lock_irqsave(q->queue_lock, flags);
114 115
@@ -122,16 +123,13 @@ void blk_rq_timed_out_timer(unsigned long data)
122 if (blk_mark_rq_complete(rq)) 123 if (blk_mark_rq_complete(rq))
123 continue; 124 continue;
124 blk_rq_timed_out(rq); 125 blk_rq_timed_out(rq);
125 } else if (!next || time_after(next, rq->deadline)) 126 } else if (!next_set || time_after(next, rq->deadline)) {
126 next = rq->deadline; 127 next = rq->deadline;
128 next_set = 1;
129 }
127 } 130 }
128 131
129 /* 132 if (next_set)
130 * next can never be 0 here with the list non-empty, since we always
131 * bump ->deadline to 1 so we can detect if the timer was ever added
132 * or not. See comment in blk_add_timer()
133 */
134 if (next)
135 mod_timer(&q->timeout, round_jiffies_up(next)); 133 mod_timer(&q->timeout, round_jiffies_up(next));
136 134
137 spin_unlock_irqrestore(q->queue_lock, flags); 135 spin_unlock_irqrestore(q->queue_lock, flags);