f2fs: add tracepoints to debug checkpoint request

Add tracepoints to debug checkpoint request.

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: change expressions]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index be6aa2eef894..f54b83b4d90b 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -20,6 +20,7 @@
 #include "f2fs.h"
 #include "node.h"
 #include "segment.h"
+#include <trace/events/f2fs.h>
 
 static struct kmem_cache *orphan_entry_slab;
 static struct kmem_cache *inode_entry_slab;
@@ -714,9 +715,13 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
         struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
         unsigned long long ckpt_ver;
 
+        trace_f2fs_write_checkpoint(sbi->sb, is_umount, "start block_ops");
+
         mutex_lock(&sbi->cp_mutex);
         block_operations(sbi);
 
+        trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish block_ops");
+
         f2fs_submit_bio(sbi, DATA, true);
         f2fs_submit_bio(sbi, NODE, true);
         f2fs_submit_bio(sbi, META, true);
@@ -738,6 +743,8 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
 
         unblock_operations(sbi);
         mutex_unlock(&sbi->cp_mutex);
+
+        trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish checkpoint");
 }
 
 void init_orphan_info(struct f2fs_sb_info *sbi)