f2fs: add a tracepoint on f2fs_new_inode

This can help when debugging the free nid allocation flows.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index c57fd18b769d..4aa26e53c935 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -63,7 +63,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 		nid_free = true;
 		goto out;
 	}
-
+	trace_f2fs_new_inode(inode, 0);
 	mark_inode_dirty(inode);
 	return inode;
 
@@ -71,6 +71,7 @@ out:
 	clear_nlink(inode);
 	unlock_new_inode(inode);
 fail:
+	trace_f2fs_new_inode(inode, err);
 	iput(inode);
 	if (nid_free)
 		alloc_nid_failed(sbi, ino);