nilfs2: get rid of GCDAT inode

This applies prepared rollback function and redirect function of
metadata file to DAT file, and eliminates GCDAT inode.

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

1 files changed, 0 insertions, 9 deletions

diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 532f85acf273..3bbd340a5136 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -414,8 +414,6 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
         sb = inode->i_sb;
         nilfs = NILFS_MDT(inode)->mi_nilfs;
 
-        if (page->mapping->assoc_mapping)
-                return 0; /* Do not request flush for shadow page cache */
         if (!sb) {
                 down_read(&nilfs->ns_writer_sem);
                 writer = nilfs->ns_writer;
@@ -566,13 +564,6 @@ void nilfs_mdt_set_entry_size(struct inode *inode, unsigned entry_size,
         mi->mi_first_entry_offset = DIV_ROUND_UP(header_size, entry_size);
 }
 
-void nilfs_mdt_set_shadow(struct inode *orig, struct inode *shadow)
-{
-        shadow->i_mapping->assoc_mapping = orig->i_mapping;
-        NILFS_I(shadow)->i_btnode_cache.assoc_mapping =
-                &NILFS_I(orig)->i_btnode_cache;
-}
-
 static const struct address_space_operations shadow_map_aops = {
         .sync_page              = block_sync_page,
 };