Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
nvme-tcp: use bh_lock in data_ready
data_ready may be invoked from send context or from
softirq, so need bh locking for that.
Fixes: 3f2304f8c6d6 ("nvme-tcp: add NVMe over TCP host driver")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
authored by
Sagi Grimberg
and committed by
Jens Axboe
386e5e6e
2a5bcfdd
+2
-2
+2
-2
drivers/nvme/host/tcp.c
+2
-2
drivers/nvme/host/tcp.c
···
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{
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struct nvme_tcp_queue *queue;
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-
read_lock(&sk->sk_callback_lock);
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+
read_lock_bh(&sk->sk_callback_lock);
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queue = sk->sk_user_data;
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if (likely(queue && queue->rd_enabled))
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queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work);
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-
read_unlock(&sk->sk_callback_lock);
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+
read_unlock_bh(&sk->sk_callback_lock);
802
802
}
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static void nvme_tcp_write_space(struct sock *sk)