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authorChao Yu <chao2.yu@samsung.com>2014-05-06 16:48:26 +0800
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2014-05-07 10:21:59 +0900
commitecda0de3430455378f1c02523bf3ad71d91d613a (patch)
tree070ac2a1739edd7daa504bf286ffb353b3349b71 /fs/f2fs
parentdfb2bf38bf89e15a65f9996566b2945921388a2f (diff)
downloadop-kernel-dev-ecda0de3430455378f1c02523bf3ad71d91d613a.zip
op-kernel-dev-ecda0de3430455378f1c02523bf3ad71d91d613a.tar.gz
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>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/checkpoint.c2
-rw-r--r--fs/f2fs/data.c2
-rw-r--r--fs/f2fs/node.c2
3 files changed, 6 insertions, 0 deletions
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 @@ 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)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ea58fb6..b997d55 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -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;
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 059aaf5..49bdddb 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -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;
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