nilfs2: eliminate nilfs_btnode_get function
This removes the obsolete nilfs_btnode_get() function and makes
nilfs_btree_get_block() directly call nilfs_btnode_submit_block().
This expansion will provide better opportunity for code optimization.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 7b0cc4f..139b113 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -114,7 +114,18 @@
{
struct address_space *btnc =
&NILFS_BMAP_I((struct nilfs_bmap *)btree)->i_btnode_cache;
- return nilfs_btnode_get(btnc, ptr, 0, bhp, 0);
+ int err;
+
+ err = nilfs_btnode_submit_block(btnc, ptr, 0, bhp);
+ if (err)
+ return err == -EEXIST ? 0 : err;
+
+ wait_on_buffer(*bhp);
+ if (!buffer_uptodate(*bhp)) {
+ brelse(*bhp);
+ return -EIO;
+ }
+ return 0;
}
static int nilfs_btree_get_new_block(const struct nilfs_btree *btree,