f2fs: fix leak of orphan inode objects

When unmounting filesystem, we should release all the ino entries.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index e39ff1d..3bb8e10 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -450,12 +450,12 @@
 	return e ? true : false;
 }
 
-void release_ino_entry(struct f2fs_sb_info *sbi)
+void release_ino_entry(struct f2fs_sb_info *sbi, bool all)
 {
 	struct ino_entry *e, *tmp;
 	int i;
 
-	for (i = APPEND_INO; i <= UPDATE_INO; i++) {
+	for (i = all ? ORPHAN_INO: APPEND_INO; i <= UPDATE_INO; i++) {
 		struct inode_management *im = &sbi->im[i];
 
 		spin_lock(&im->ino_lock);
@@ -1107,7 +1107,7 @@
 		invalidate_mapping_pages(META_MAPPING(sbi), discard_blk,
 								discard_blk);
 
-	release_ino_entry(sbi);
+	release_ino_entry(sbi, false);
 
 	if (unlikely(f2fs_cp_error(sbi)))
 		return -EIO;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 7205a4d..6d13e92 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1954,7 +1954,7 @@
 long sync_meta_pages(struct f2fs_sb_info *, enum page_type, long);
 void add_ino_entry(struct f2fs_sb_info *, nid_t, int type);
 void remove_ino_entry(struct f2fs_sb_info *, nid_t, int type);
-void release_ino_entry(struct f2fs_sb_info *);
+void release_ino_entry(struct f2fs_sb_info *, bool);
 bool exist_written_data(struct f2fs_sb_info *, nid_t, int);
 int acquire_orphan_inode(struct f2fs_sb_info *);
 void release_orphan_inode(struct f2fs_sb_info *);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index e80f0a4..c92b28a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -592,7 +592,7 @@
 	 * normally superblock is clean, so we need to release this.
 	 * In addition, EIO will skip do checkpoint, we need this as well.
 	 */
-	release_ino_entry(sbi);
+	release_ino_entry(sbi, true);
 	release_discard_addrs(sbi);
 
 	f2fs_leave_shrinker(sbi);