summaryrefslogtreecommitdiffstats
path: root/block/blk-timeout.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-05-18 21:08:20 -0700
committerDavid S. Miller <davem@davemloft.net>2009-05-18 21:08:20 -0700
commitbb803cfbecb03a0cf8dc7e1864f18dda6631af00 (patch)
tree6c0989693bea6f50cfa5c6bb14f52ec19668def3 /block/blk-timeout.c
parent3878fb6fdbceecca20b15748f807340854220f06 (diff)
parent511e11e396dc596825ce04d53d7f6d579404bc01 (diff)
downloadtalos-op-linux-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.tar.gz
talos-op-linux-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/scsi/fcoe/fcoe.c
Diffstat (limited to 'block/blk-timeout.c')
-rw-r--r--block/blk-timeout.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index bbbdc4b8ccf2..1ec0d503cacd 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -211,6 +211,12 @@ void blk_abort_queue(struct request_queue *q)
struct request *rq, *tmp;
LIST_HEAD(list);
+ /*
+ * Not a request based block device, nothing to abort
+ */
+ if (!q->request_fn)
+ return;
+
spin_lock_irqsave(q->queue_lock, flags);
elv_abort_queue(q);
@@ -224,6 +230,13 @@ void blk_abort_queue(struct request_queue *q)
list_for_each_entry_safe(rq, tmp, &list, timeout_list)
blk_abort_request(rq);
+ /*
+ * Occasionally, blk_abort_request() will return without
+ * deleting the element from the list. Make sure we add those back
+ * instead of leaving them on the local stack list.
+ */
+ list_splice(&list, &q->timeout_list);
+
spin_unlock_irqrestore(q->queue_lock, flags);
}
OpenPOWER on IntegriCloud