1 files changed, 44 insertions, 13 deletions

diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index 3f5d5d06f53c..18737818db63 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -328,19 +328,24 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
                         tnicps += nicps;
                         nilfs_mdt_mark_buffer_dirty(cp_bh);
                         nilfs_mdt_mark_dirty(cpfile);
-                        if (!nilfs_cpfile_is_in_first(cpfile, cno) &&
-                            (count = nilfs_cpfile_block_sub_valid_checkpoints(
-                                    cpfile, cp_bh, kaddr, nicps)) == 0) {
-                                /* make hole */
-                                kunmap_atomic(kaddr, KM_USER0);
-                                brelse(cp_bh);
-                                ret = nilfs_cpfile_delete_checkpoint_block(
-                                        cpfile, cno);
-                                if (ret == 0)
-                                        continue;
-                                printk(KERN_ERR "%s: cannot delete block\n",
-                                       __func__);
-                                break;
+                        if (!nilfs_cpfile_is_in_first(cpfile, cno)) {
+                                count =
+                                  nilfs_cpfile_block_sub_valid_checkpoints(
+                                                cpfile, cp_bh, kaddr, nicps);
+                                if (count == 0) {
+                                        /* make hole */
+                                        kunmap_atomic(kaddr, KM_USER0);
+                                        brelse(cp_bh);
+                                        ret =
+                                          nilfs_cpfile_delete_checkpoint_block(
+                                                                   cpfile, cno);
+                                        if (ret == 0)
+                                                continue;
+                                        printk(KERN_ERR
+                                               "%s: cannot delete block\n",
+                                               __func__);
+                                        break;
+                                }
                         }
                 }
 
@@ -926,3 +931,29 @@ int nilfs_cpfile_get_stat(struct inode *cpfile, struct nilfs_cpstat *cpstat)
         up_read(&NILFS_MDT(cpfile)->mi_sem);
         return ret;
 }
+
+/**
+ * nilfs_cpfile_read - read cpfile inode
+ * @cpfile: cpfile inode
+ * @raw_inode: on-disk cpfile inode
+ */
+int nilfs_cpfile_read(struct inode *cpfile, struct nilfs_inode *raw_inode)
+{
+        return nilfs_read_inode_common(cpfile, raw_inode);
+}
+
+/**
+ * nilfs_cpfile_new - create cpfile
+ * @nilfs: nilfs object
+ * @cpsize: size of a checkpoint entry
+ */
+struct inode *nilfs_cpfile_new(struct the_nilfs *nilfs, size_t cpsize)
+{
+        struct inode *cpfile;
+
+        cpfile = nilfs_mdt_new(nilfs, NULL, NILFS_CPFILE_INO, 0);
+        if (cpfile)
+                nilfs_mdt_set_entry_size(cpfile, cpsize,
+                                         sizeof(struct nilfs_cpfile_header));
+        return cpfile;
+}