From: Pekka Paalanen <pq@iki.fi>
Date: Mon, 12 May 2008 19:21:02 +0000 (+0200)
Subject: ftrace: add readpos to struct trace_seq; add trace_seq_to_user()
X-Git-Tag: v2.6.27-rc1~1102^2^2~1^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c6c27969a4c6024e6c8838829546c02aaddca18;p=pandora-kernel.git

ftrace: add readpos to struct trace_seq; add trace_seq_to_user()

Refactor code from tracing_read_pipe() and create trace_seq_to_user().
Moved trace_seq_reset() call before iter->trace->read() call so that
when all leftover data is returned, trace_seq is reset automatically.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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