f2fs: split grab_cache_page and wait_on_page_writeback for node pages

This patch splits grab_cache_page_write_begin into grab_cache_page and
wait_on_page_writeback for node pages.

This patch intends to enhance the latency to get node pages by alleviating
unnecessary wait_on_page_writeback.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index a076c88bdca5..4ee29d506f8c 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -272,7 +272,7 @@ static inline void set_nid(struct page *p, int off, nid_t nid, bool i)
 {
         struct f2fs_node *rn = F2FS_NODE(p);
 
-        wait_on_page_writeback(p);
+        f2fs_wait_on_page_writeback(p, NODE);
 
         if (i)
                 rn->i.i_nid[off - NODE_DIR1_BLOCK] = cpu_to_le32(nid);