From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Tue, 18 Aug 2009 13:43:32 +0000 (+0200)
Subject: [SCSI] zfcp: optimize zfcp_qdio_account
X-Git-Tag: v2.6.32-rc1~689^2~102
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41e05a12c7aae16f0381103af3e5ca791e87ce59;p=pandora-kernel.git

[SCSI] zfcp: optimize zfcp_qdio_account

Remove expensive ktime_get()/ktime_us_delta() functions from the hot
path and use get_clock_monotonic() instead. This elimates seven
function calls and avoids a lot of unnecessary calculations.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

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