From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 10 Sep 2010 15:47:43 +0000 (-0400)
Subject: tracing: Keep track of set_ftrace_filter position and allow lseek again
X-Git-Tag: v2.6.37-rc1~214^2~55^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98c4fd046f07156ca6055677e8f03d4280be16c1;p=pandora-kernel.git

tracing: Keep track of set_ftrace_filter position and allow lseek again

This patch keeps track of the index within the elements of
set_ftrace_filter and if the position goes backwards, it nicely
resets and starts from the beginning again.

This allows for lseek and pread to work properly now.

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