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 d01aff4957d94bf95b2148cb45d647b4c02178c8..ee943a342e1d4b2e6252b0b611cf5aaa04e8765f 100644 (file)
--- 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 9f4913f78408a80e5c9b1253c19ac092adecb2b2..51576b4dbf7a0b51b6d12a52f8c93a0cb20e16c7 100644 (file)
--- 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));
 }