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(parent: 1972c84) | patch
f2fs: add key functions for f2fs_io_tracer
authorJaegeuk Kim <jaegeuk@kernel.org>
Thu, 18 Dec 2014 03:51:57 +0000 (19:51 -0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Sat, 10 Jan 2015 01:02:24 +0000 (17:02 -0800)
commit980896fadb272297dfd2370a7248f3c747d21401
tree122bcbe75e1d313887bf6bf1c51fd4fac54854a7tree | snapshot
parent1972c841d4efa8a5f4329e80c2e00b2e6c40868bcommit | diff
f2fs: add key functions for f2fs_io_tracer

This patch adds two key functions to trace process ids and IOs.
The basic idea is to
1. remain process ids, pids, in page->private.
2. show pids in IO traces.

So, later we can retrieve process information according to IO traces.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/trace.c diff | blob | history
fs/f2fs/trace.h diff | blob | history
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