f2fs: add spin_lock to cover radix operations in IO tracer

This patch adds spin_lock to cover radix tree operations in IO tracer.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 0ae6a2fbdb2a..e6f035c868d3 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1222,6 +1222,8 @@ static int __init init_f2fs_fs(void)
 {
         int err;
 
+        f2fs_build_trace_ios();
+
         err = init_inodecache();
         if (err)
                 goto fail;