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authorJosef Bacik <josef@toxicpanda.com>2018-07-16 12:11:34 -0400
committerJens Axboe <axboe@kernel.dk>2018-07-16 10:14:39 -0600
commitd7d94d48a272fd7583dc3c83acb8f5ed4ef456a4 (patch)
tree82545e7495d193b4f1e6794aae23e2dcfc7ad08b /lib/memory-notifier-error-inject.c
parent70dbcc2254fa2a9add74a122b9dac954c4736e01 (diff)
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nbd: don't requeue the same request twice.
We can race with the snd timeout and the per-request timeout and end up requeuing the same request twice. We can't use the send_complete completion to tell if everything is ok because we hold the tx_lock during send, so the timeout stuff will block waiting to mark the socket dead, and we could be marked complete and still requeue. Instead add a flag to the socket so we know whether we've been requeued yet. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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