f2fs: add tracepoints for write page operations

Add tracepoints to debug the various page write operation
like data pages, meta pages.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[Jaegeuk: remove unnecessary tracepoints]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 7c67ec2b63c0..0a652848a9f8 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -18,6 +18,7 @@
 #include "f2fs.h"
 #include "segment.h"
 #include "node.h"
+#include <trace/events/f2fs.h>
 
 /*
  * This function balances dirty node and dentry pages.
@@ -691,6 +692,9 @@ static void do_submit_bio(struct f2fs_sb_info *sbi,
                 struct bio_private *p = sbi->bio[btype]->bi_private;
                 p->sbi = sbi;
                 sbi->bio[btype]->bi_end_io = f2fs_end_io_write;
+
+                trace_f2fs_do_submit_bio(sbi->sb, btype, sync, sbi->bio[btype]);
+
                 if (type == META_FLUSH) {
                         DECLARE_COMPLETION_ONSTACK(wait);
                         p->is_sync = true;
@@ -745,6 +749,7 @@ alloc_new:
         sbi->last_block_in_bio[type] = blk_addr;
 
         up_write(&sbi->bio_sem);
+        trace_f2fs_submit_write_page(page, blk_addr, type);
 }
 
 static bool __has_curseg_space(struct f2fs_sb_info *sbi, int type)