]> git.karo-electronics.de Git - linux-beck.git/commit
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)
commit0e689d036952a6018ed5f5c1aee7697f5c57cea1
tree122bcbe75e1d313887bf6bf1c51fd4fac54854a7
parent63f92ddc8aee18838441179064338702a93326a9
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
fs/f2fs/trace.h