[SCSI] mpt2sas: Excessive log info causes sas iounit page time out

Inhibit 0x3117 loginfos - during cable pull, there are too many printks going
to the syslog, this is have impact on how fast the interrupt routine can handle
keeping up with command completions; this was the root cause to the config
pages timeouts.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index f3da592..ed9965e 100644 (file)
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -440,6 +440,10 @@ _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info)
        if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
                return;
 
+       /* each nexus loss loginfo */
+       if (log_info == 0x31170000)
+               return;
+
        /* eat the loginfos associated with task aborts */
        if (ioc->ignore_loginfos && (log_info == 30050000 || log_info ==
            0x31140000 || log_info == 0x31130000))

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 22a9542..25c8d82 100644 (file)
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2767,6 +2767,10 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
        char *desc_ioc_state = NULL;
        char *desc_scsi_status = NULL;
        char *desc_scsi_state = ioc->tmp_string;
+       u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
+
+       if (log_info == 0x31170000)
+               return;
 
        switch (ioc_status) {
        case MPI2_IOCSTATUS_SUCCESS: