nilfs2: do not allocate nilfs_mdt_info structure to gc-inodes

GC-inode now doesn't need the nilfs_mdt_info structure and there is no
reason that it is a sort of metadata files.

This stops the allocation and makes them not dependent on metadata
file routines.

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

1 files changed, 16 insertions, 16 deletions

diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c
index 34f8f84a22e3..33ad25ddd5c4 100644
--- a/fs/nilfs2/gcinode.c
+++ b/fs/nilfs2/gcinode.c
@@ -168,7 +168,7 @@ int nilfs_gccache_wait_and_mark_dirty(struct buffer_head *bh)
                 }
                 nilfs_btnode_mark_dirty(bh);
         } else {
-                nilfs_mdt_mark_buffer_dirty(bh);
+                nilfs_mark_buffer_dirty(bh);
         }
         return 0;
 }
@@ -177,24 +177,24 @@ int nilfs_init_gcinode(struct inode *inode)
 {
         struct nilfs_inode_info *ii = NILFS_I(inode);
         struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
-        int ret;
 
-        ret = nilfs_mdt_init(inode, nilfs, GFP_NOFS, 0);
-        if (!ret) {
-                inode->i_mapping->a_ops = &def_gcinode_aops;
+        inode->i_mode = S_IFREG;
+        mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
+        inode->i_mapping->a_ops = &def_gcinode_aops;
+        inode->i_mapping->backing_dev_info = inode->i_sb->s_bdi;
 
-                ii->i_flags = 0;
-                nilfs_bmap_init_gc(ii->i_bmap);
+        ii->i_flags = 0;
+        nilfs_bmap_init_gc(ii->i_bmap);
 
-                /*
-                 * Add the inode to GC inode list. Garbage Collection
-                 * is serialized and no two processes manipulate the
-                 * list simultaneously.
-                 */
-                igrab(inode);
-                list_add(&NILFS_I(inode)->i_dirty, &nilfs->ns_gc_inodes);
-        }
-        return ret;
+        /*
+         * Add the inode to GC inode list. Garbage Collection
+         * is serialized and no two processes manipulate the
+         * list simultaneously.
+         */
+        igrab(inode);
+        list_add(&NILFS_I(inode)->i_dirty, &nilfs->ns_gc_inodes);
+
+        return 0;
 }
 
 /**