From b91c9a97c9333c87fe2a0c94b3b22b24df1c5fc2 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Fri, 20 Aug 2010 23:46:06 +0900
Subject: nilfs2: allow nilfs_destroy_inode to destroy metadata file inodes

The current nilfs_destroy_inode() doesn't handle metadata file inodes
including gc inodes (dummy inodes used for garbage collection).

This allows nilfs_destroy_inode() to destroy inodes of metadata files.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index d01aff4..ee943a3 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -577,7 +577,5 @@ void nilfs_mdt_destroy(struct inode *inode)
 		nilfs_palloc_destroy_cache(inode);
 	nilfs_mdt_clear(inode);
 
-	kfree(mdi->mi_bgl); /* kfree(NULL) is safe */
-	kfree(mdi);
 	nilfs_destroy_inode(inode);
 }
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 9f4913f..51576b4 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -167,6 +167,12 @@ struct inode *nilfs_alloc_inode(struct super_block *sb)
 
 void nilfs_destroy_inode(struct inode *inode)
 {
+	struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
+
+	if (mdi) {
+		kfree(mdi->mi_bgl); /* kfree(NULL) is safe */
+		kfree(mdi);
+	}
 	kmem_cache_free(nilfs_inode_cachep, NILFS_I(inode));
 }
 
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