f2fs: use set_page_private marcro in f2fs_trace_pid

Use set_page_private marcro instead of operte page struct
directly

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/trace.c b/fs/f2fs/trace.c
index c82ab40..bccbbf2 100644 (file)
--- a/fs/f2fs/trace.c
+++ b/fs/f2fs/trace.c
@@ -59,7 +59,7 @@ void f2fs_trace_pid(struct page *page)
        pid_t pid = task_pid_nr(current);
        void *p;
 
-       page->private = pid;
+       set_page_private(page, (unsigned long)pid);
 
        if (radix_tree_preload(GFP_NOFS))
                return;