f2fs: remove obsolete pointer for truncate_xattr_node

This patch removes obosolete parameter for truncate_xattr_node.
Suggested-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/f2fs.h

@@ -2511,7 +2511,7 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni);
 pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
 int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
 int truncate_inode_blocks(struct inode *inode, pgoff_t from);
-int truncate_xattr_node(struct inode *inode, struct page *page);
+int truncate_xattr_node(struct inode *inode);
 int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino);
 int remove_inode_page(struct inode *inode);
 struct page *new_inode_page(struct inode *inode);

fs/f2fs/node.c

@@ -962,7 +962,8 @@ int truncate_inode_blocks(struct inode *inode, pgoff_t from)
 	return err > 0 ? 0 : err;
 }
 
-int truncate_xattr_node(struct inode *inode, struct page *page)
+/* caller must lock inode page */
+int truncate_xattr_node(struct inode *inode)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	nid_t nid = F2FS_I(inode)->i_xattr_nid;
@@ -978,10 +979,7 @@ int truncate_xattr_node(struct inode *inode, struct page *page)
 
 	f2fs_i_xnid_write(inode, 0);
 
-	set_new_dnode(&dn, inode, page, npage, nid);
-
-	if (page)
-		dn.inode_page_locked = true;
+	set_new_dnode(&dn, inode, NULL, npage, nid);
 	truncate_node(&dn);
 	return 0;
 }
@@ -1000,7 +998,7 @@ int remove_inode_page(struct inode *inode)
 	if (err)
 		return err;
 
-	err = truncate_xattr_node(inode, dn.inode_page);
+	err = truncate_xattr_node(inode);
 	if (err) {
 		f2fs_put_dnode(&dn);
 		return err;

fs/f2fs/xattr.c

@@ -421,7 +421,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
 
 		/* no need to use xattr node block */
 		if (hsize <= inline_size) {
-			err = truncate_xattr_node(inode, ipage);
+			err = truncate_xattr_node(inode);
 			alloc_nid_failed(sbi, new_nid);
 			return err;
 		}