From: Tejun Heo <tj@kernel.org>
Date: Fri, 9 Jan 2009 10:19:14 +0000 (+0900)
Subject: libata: use WARN_ON_ONCE on hot paths
X-Git-Tag: v2.6.29-rc1~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=efcb3cf7f00c3c424db012380a8a974c2676a3c8;p=pandora-kernel.git

libata: use WARN_ON_ONCE on hot paths

Convert WARN_ON() on command issue/completion paths to WARN_ON_ONCE()
so that libata doesn't spam the machine even when one of those
conditions triggers repeatedly.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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