f2fs: check the free space first in new_node_page

Let's check the free space in prior to the main process of allocating a new node
page.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index bb8fbda4366965778f0705f3af62c8a27fee4523..858a333f6ab97caeebf495ac27ef71926dfd20b6 100644 (file)
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -833,29 +833,29 @@ struct page *new_node_page(struct dnode_of_data *dn,
        if (!page)
                return ERR_PTR(-ENOMEM);
 
-       get_node_info(sbi, dn->nid, &old_ni);
+       if (!inc_valid_node_count(sbi, dn->inode, 1)) {
+               err = -ENOSPC;
+               goto fail;
+       }
 
-       SetPageUptodate(page);
-       fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);
+       get_node_info(sbi, dn->nid, &old_ni);
 
        /* Reinitialize old_ni with new node page */
        BUG_ON(old_ni.blk_addr != NULL_ADDR);
        new_ni = old_ni;
        new_ni.ino = dn->inode->i_ino;
-
-       if (!inc_valid_node_count(sbi, dn->inode, 1)) {
-               err = -ENOSPC;
-               goto fail;
-       }
        set_node_addr(sbi, &new_ni, NEW_ADDR);
+
+       fill_node_footer(page, dn->nid, dn->inode->i_ino, ofs, true);
        set_cold_node(dn->inode, page);
+       SetPageUptodate(page);
+       set_page_dirty(page);
 
        dn->node_page = page;
        if (ipage)
                update_inode(dn->inode, ipage);
        else
                sync_inode_page(dn);
-       set_page_dirty(page);
        if (ofs == 0)
                inc_valid_inode_count(sbi);