From: Sagi Grimberg sagi@grimberg.me
stable inclusion from stable-v5.10.138 commit 534e96302ad2cf24dfa6e6c2b18bc7c50ac16844 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I60QFD
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 533d2e8b4d5e4c89772a0adce913525fb86cbbee ]
We probably need nvmet_tcp_wq to have MEM_RECLAIM as we are sending/receiving for the socket from works on this workqueue. Also this eliminates lockdep complaints: Reviewed-by: Wei Li liwei391@huawei.com --- drivers/nvme/target/tcp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 96b67a70cbbb..d030d5e69dc5 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1802,7 +1802,8 @@ static int __init nvmet_tcp_init(void) { int ret;
- nvmet_tcp_wq = alloc_workqueue("nvmet_tcp_wq", WQ_HIGHPRI, 0); + nvmet_tcp_wq = alloc_workqueue("nvmet_tcp_wq", + WQ_MEM_RECLAIM | WQ_HIGHPRI, 0); if (!nvmet_tcp_wq) return -ENOMEM;