1 files changed, 36 insertions, 15 deletions

diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c
index 922d9dd42c8f..9f8a2da67f90 100644
--- a/fs/nilfs2/ifile.c
+++ b/fs/nilfs2/ifile.c
@@ -161,25 +161,46 @@ int nilfs_ifile_get_inode_block(struct inode *ifile, ino_t ino,
 }
 
 /**
- * nilfs_ifile_new - create inode file
- * @sbi: nilfs_sb_info struct
+ * nilfs_ifile_read - read or get ifile inode
+ * @sb: super block instance
+ * @root: root object
  * @inode_size: size of an inode
+ * @raw_inode: on-disk ifile inode
+ * @inodep: buffer to store the inode
  */
-struct inode *nilfs_ifile_new(struct nilfs_sb_info *sbi, size_t inode_size)
+int nilfs_ifile_read(struct super_block *sb, struct nilfs_root *root,
+                     size_t inode_size, struct nilfs_inode *raw_inode,
+                     struct inode **inodep)
 {
         struct inode *ifile;
         int err;
 
-        ifile = nilfs_mdt_new(sbi->s_nilfs, sbi->s_super, NILFS_IFILE_INO,
-                              sizeof(struct nilfs_ifile_info));
-        if (ifile) {
-                err = nilfs_palloc_init_blockgroup(ifile, inode_size);
-                if (unlikely(err)) {
-                        nilfs_mdt_destroy(ifile);
-                        return NULL;
-                }
-                nilfs_palloc_setup_cache(ifile,
-                                         &NILFS_IFILE_I(ifile)->palloc_cache);
-        }
-        return ifile;
+        ifile = nilfs_iget_locked(sb, root, NILFS_IFILE_INO);
+        if (unlikely(!ifile))
+                return -ENOMEM;
+        if (!(ifile->i_state & I_NEW))
+                goto out;
+
+        err = nilfs_mdt_init(ifile, NILFS_MDT_GFP,
+                             sizeof(struct nilfs_ifile_info));
+        if (err)
+                goto failed;
+
+        err = nilfs_palloc_init_blockgroup(ifile, inode_size);
+        if (err)
+                goto failed;
+
+        nilfs_palloc_setup_cache(ifile, &NILFS_IFILE_I(ifile)->palloc_cache);
+
+        err = nilfs_read_inode_common(ifile, raw_inode);
+        if (err)
+                goto failed;
+
+        unlock_new_inode(ifile);
+ out:
+        *inodep = ifile;
+        return 0;
+ failed:
+        iget_failed(ifile);
+        return err;
 }