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ksmbd: call ib_drain_qp when disconnected

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[ Upstream commit 141fa9824c ]

When disconnected, call ib_drain_qp to cancel all pending work requests
and prevent ksmbd_conn_handler_loop from waiting for a long time
for those work requests to compelete.

Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Namjae Jeon
2023-12-19 00:33:22 +09:00
committed by Greg Kroah-Hartman
parent b3e852bea8
commit ef97ccd0fc
1 changed files with 2 additions and 0 deletions
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2
fs/ksmbd/transport_rdma.c
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@@ -1527,6 +1527,8 @@ static int smb_direct_cm_handler(struct rdma_cm_id *cm_id,
} }
case RDMA_CM_EVENT_DEVICE_REMOVAL: case RDMA_CM_EVENT_DEVICE_REMOVAL:
case RDMA_CM_EVENT_DISCONNECTED: { case RDMA_CM_EVENT_DISCONNECTED: {
ib_drain_qp(t->qp);
t->status = SMB_DIRECT_CS_DISCONNECTED; t->status = SMB_DIRECT_CS_DISCONNECTED;
wake_up_interruptible(&t->wait_status); wake_up_interruptible(&t->wait_status);
wake_up_interruptible(&t->wait_reassembly_queue); wake_up_interruptible(&t->wait_reassembly_queue);