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Commit ecda0de3 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

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: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent dfb2bf38

fs/f2fs/checkpoint.c

+2 −0
Original line number Diff line number Diff line
@@ -157,6 +157,8 @@ static int f2fs_write_meta_page(struct page *page, 
	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)

fs/f2fs/data.c

+2 −0
Original line number Diff line number Diff line
@@ -788,6 +788,8 @@ static int f2fs_write_data_page(struct page *page, 
		.rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE,

	};



	trace_f2fs_writepage(page, DATA);



	if (page->index < end_index)

		goto write;

fs/f2fs/node.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

include/trace/events/f2fs.h

+7 −0
Original line number Diff line number Diff line
@@ -751,6 +751,13 @@ DECLARE_EVENT_CLASS(f2fs__page, 
		__entry->dirty)

);



DEFINE_EVENT(f2fs__page, f2fs_writepage,



	TP_PROTO(struct page *page, int type),



	TP_ARGS(page, type)

);



DEFINE_EVENT(f2fs__page, f2fs_set_page_dirty,



	TP_PROTO(struct page *page, int type),