git.stricted.de - GitHub/moto-9609/android_kernel_motorola

author	Tejun Heo <tj@kernel.org>
	Fri, 11 Jan 2013 21:06:36 +0000 (13:06 -0800)
committer	Jens Axboe <axboe@kernel.dk>
	Mon, 14 Jan 2013 14:00:36 +0000 (15:00 +0100)
commit	5305cb830834549b9203ad4d009ad5483c5e293f
tree	9781e0181cb1f3c8f6fa2c5ad2de445333383b87	tree \| snapshot (tar.gz zip)
parent	f0059afd3e6e7aa1a0ffc23468b74c43d47660b8	commit \| diff

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>

fs/buffer.c		diff \| blob \| blame \| history
include/trace/events/block.h		diff \| blob \| blame \| history