From: Steven Rostedt <srostedt@redhat.com>
Date: Wed, 2 Sep 2009 14:56:15 +0000 (-0400)
Subject: ring-buffer: do not swap buffers during a commit
X-Git-Tag: v2.6.32-rc1~718^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98277991a99734f3a31d638afb47d4484ac73e43;p=pandora-kernel.git

ring-buffer: do not swap buffers during a commit

If a commit is taking place on a CPU ring buffer, do not allow it to
be swapped. Return -EBUSY when this is detected instead.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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