From: Hannes Reinecke <hare@suse.de>
Date: Thu, 8 Jan 2015 06:43:42 +0000 (+0100)
Subject: scsi: Implement per-cpu logging buffer
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~127^2~91
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ded85c193a391a84076d5c6a7a5668fe164a490e;p=pandora-kernel.git

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>
---

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