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f2fs: add a tracepoint for f2fs_write_{meta,node,data}_page

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This patch adds a tracepoint for f2fs_write_{meta,node,data}_page to trace when
page is writting out.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Chao Yu
2014-05-06 16:48:26 +08:00
committed by Jaegeuk Kim
parent dfb2bf38bf
commit ecda0de343
4 changed files with 13 additions and 0 deletions
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2
fs/f2fs/node.c
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@@ -1199,6 +1199,8 @@ static int f2fs_write_node_page(struct page *page,
.rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE,
};
trace_f2fs_writepage(page, NODE);
if (unlikely(sbi->por_doing))
goto redirty_out;