f2fs: adds a tracepoint for submit_read_page

This patch adds a tracepoint for submit_read_page.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
[Jaegeuk Kim: integrate tracepoints of f2fs_submit_read(_write)_page]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ce3cbd92585e..cdb342eeb421 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -462,6 +462,7 @@ alloc_new:
         io->last_block_in_bio = blk_addr;
 
         mutex_unlock(&io->io_mutex);
+        trace_f2fs_submit_read_page(page, rw, META, blk_addr);
 }
 
 /*