nilfs2: use nilfs_btnode_create_block function

This displaces nilfs_btnode_get() use to create new btree node block
with nilfs_btnode_create_block.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

2 files changed, 15 insertions, 11 deletions

diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index fc3e4bdb62ae..7086a2a1f7fa 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -270,12 +270,13 @@ retry:
                 unlock_page(obh->b_page);
         }
 
-        err = nilfs_btnode_get(btnc, newkey, 0, &nbh, 1);
-        if (likely(!err)) {
-                BUG_ON(nbh == obh);
-                ctxt->newbh = nbh;
-        }
-        return err;
+        nbh = nilfs_btnode_create_block(btnc, newkey);
+        if (!nbh)
+                return -ENOMEM;
+
+        BUG_ON(nbh == obh);
+        ctxt->newbh = nbh;
+        return 0;
 
  failed_unlock:
         unlock_page(obh->b_page);
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index c9aab29ea1f6..7b0cc4fe9f0d 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -122,12 +122,15 @@ static int nilfs_btree_get_new_block(const struct nilfs_btree *btree,
 {
         struct address_space *btnc =
                 &NILFS_BMAP_I((struct nilfs_bmap *)btree)->i_btnode_cache;
-        int ret;
+        struct buffer_head *bh;
 
-        ret = nilfs_btnode_get(btnc, ptr, 0, bhp, 1);
-        if (!ret)
-                set_buffer_nilfs_volatile(*bhp);
-        return ret;
+        bh = nilfs_btnode_create_block(btnc, ptr);
+        if (!bh)
+                return -ENOMEM;
+
+        set_buffer_nilfs_volatile(bh);
+        *bhp = bh;
+        return 0;
 }
 
 static inline int