From: Tejun Heo <tj@kernel.org>
Date: Fri, 11 Jan 2013 21:06:36 +0000 (-0800)
Subject: block: add block_{touch|dirty}_buffer tracepoint
X-Git-Tag: v3.9-rc1~44^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5305cb830834549b9203ad4d009ad5483c5e293f;p=pandora-kernel.git

block: add block_{touch|dirty}_buffer tracepoint

The former is triggered from touch_buffer() and the latter
mark_buffer_dirty().

This is part of tracepoint additions to improve visiblity into
dirtying / writeback operations for io tracer and userland.

v2: Transformed writeback_dirty_buffer to block_dirty_buffer and made
    it share TP definition with block_touch_buffer.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

Reading git-diff-tree failed