Complete CQE requests in poll. Assumption is that several poll completion may happen in different CPUs for the same completion queue. Hence a spin lock protection is added. Co-developed-by: Can Guo <quic_cang@quicinc.com> Change-Id: I99e7ab96fea562904a572e29f28ecfd10c3ab6cc Signed-off-by: Can Guo <quic_cang@quicinc.com> Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Manivannan Sadhasivam <mani@kernel.org> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Bug: 258234315 (cherry picked from commit ed975065c31c2a0372e13c19e8140b69814a98ba git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next) Signed-off-by: Bart Van Assche <bvanassche@google.com>