HOST_DIAG_WRITE_ENABLE 4000 drivers/scsi/megaraid/megaraid_sas_fusion.c while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) { HOST_DIAG_WRITE_ENABLE 4011 drivers/scsi/megaraid/megaraid_sas_fusion.c if (!(host_diag & HOST_DIAG_WRITE_ENABLE))