scsi: Implement per-cpu logging buffer

Implement a per-cpu buffer for formatting messages to avoid line breaks
up under high load.  This patch implements scmd_printk() and
sdev_prefix_printk() using the per-cpu buffer and makes sdev_printk() a
wrapper for sdev_prefix_printk().

Tested-by: Robert Elliott <elliott@hp.com>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 58158f11ed7b..447c2d24aafa 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -167,7 +167,7 @@ scsi_mod-y			+= scsi_scan.o scsi_sysfs.o scsi_devinfo.o
 scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o
 scsi_mod-$(CONFIG_SYSCTL)       += scsi_sysctl.o
 scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o
-scsi_mod-y                      += scsi_trace.o
+scsi_mod-y                      += scsi_trace.o scsi_logging.o
 scsi_mod-$(CONFIG_PM)           += scsi_pm.o
 
 hv_storvsc-y                    := storvsc_drv.o