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authorUma Krishnan <ukrishn@linux.vnet.ibm.com>2018-05-11 14:05:08 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2018-05-18 11:22:10 -0400
commitd58188c306a010d32a250ae532c3daaae8c57346 (patch)
treea85f89b7a1756e114cdb9fdf4950ea05d5401cf0 /drivers/scsi/cxlflash
parente0f76ad13085b730091256d7a2fbe3555f0686df (diff)
downloadlinux-d58188c306a010d32a250ae532c3daaae8c57346.tar.bz2
scsi: cxlflash: Limit the debug logs in the IO path
The kernel log can get filled with debug messages from send_cmd_ioarrin() when dynamic debug is enabled for the cxlflash module and there is a lot of legacy I/O traffic. While these messages are necessary to debug issues that involve command tracking, the abundance of data can overwrite other useful data in the log. The best option available is to limit the messages that should serve most of the common use cases. Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/cxlflash')
-rw-r--r--drivers/scsi/cxlflash/main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index dad2be6c29c3..cf0b407f6ebb 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -339,8 +339,8 @@ static int send_cmd_ioarrin(struct afu *afu, struct afu_cmd *cmd)
writeq_be((u64)&cmd->rcb, &hwq->host_map->ioarrin);
out:
spin_unlock_irqrestore(&hwq->hsq_slock, lock_flags);
- dev_dbg(dev, "%s: cmd=%p len=%u ea=%016llx rc=%d\n", __func__,
- cmd, cmd->rcb.data_len, cmd->rcb.data_ea, rc);
+ dev_dbg_ratelimited(dev, "%s: cmd=%p len=%u ea=%016llx rc=%d\n",
+ __func__, cmd, cmd->rcb.data_len, cmd->rcb.data_ea, rc);
return rc;
}