f2fs: add a tracepoint for f2fs_write_{meta,node,data}_page
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>
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 4206f16..c95d622 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -157,6 +157,8 @@
struct inode *inode = page->mapping->host;
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
+ trace_f2fs_writepage(page, META);
+
if (unlikely(sbi->por_doing))
goto redirty_out;
if (wbc->for_reclaim)