Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: (36 commits)
  nilfs2: eliminate sparse warning - "context imbalance"
  nilfs2: eliminate sparse warnings - "symbol not declared"
  nilfs2: get rid of bdi from nilfs object
  nilfs2: change license of exported header file
  nilfs2: add bdev freeze/thaw support
  nilfs2: accept 64-bit checkpoint numbers in cp mount option
  nilfs2: remove own inode allocator and destructor for metadata files
  nilfs2: get rid of back pointer to writable sb instance
  nilfs2: get rid of mi_nilfs back pointer to nilfs object
  nilfs2: see state of root dentry for mount check of snapshots
  nilfs2: use iget for all metadata files
  nilfs2: get rid of GCDAT inode
  nilfs2: add routines to redirect access to buffers of DAT file
  nilfs2: add routines to roll back state of DAT file
  nilfs2: add routines to save and restore bmap state
  nilfs2: do not allocate nilfs_mdt_info structure to gc-inodes
  nilfs2: allow nilfs_clear_inode to clear metadata file inodes
  nilfs2: get rid of snapshot mount flag
  nilfs2: simplify life cycle management of nilfs object
  nilfs2: do not allocate multiple super block instances for a device
  ...

1 files changed, 0 insertions, 87 deletions

diff --git a/fs/nilfs2/gcdat.c b/fs/nilfs2/gcdat.c
deleted file mode 100644
index 84a45d1d5464..000000000000
--- a/fs/nilfs2/gcdat.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * gcdat.c - NILFS shadow DAT inode for GC
- *
- * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Written by Seiji Kihara <kihara@osrg.net>, Amagai Yoshiji <amagai@osrg.net>,
- *            and Ryusuke Konishi <ryusuke@osrg.net>.
- *
- */
-
-#include <linux/buffer_head.h>
-#include "nilfs.h"
-#include "page.h"
-#include "mdt.h"
-
-int nilfs_init_gcdat_inode(struct the_nilfs *nilfs)
-{
-        struct inode *dat = nilfs->ns_dat, *gcdat = nilfs->ns_gc_dat;
-        struct nilfs_inode_info *dii = NILFS_I(dat), *gii = NILFS_I(gcdat);
-        int err;
-
-        gcdat->i_state = 0;
-        gcdat->i_blocks = dat->i_blocks;
-        gii->i_flags = dii->i_flags;
-        gii->i_state = dii->i_state | (1 << NILFS_I_GCDAT);
-        gii->i_cno = 0;
-        nilfs_bmap_init_gcdat(gii->i_bmap, dii->i_bmap);
-        err = nilfs_copy_dirty_pages(gcdat->i_mapping, dat->i_mapping);
-        if (unlikely(err))
-                return err;
-
-        return nilfs_copy_dirty_pages(&gii->i_btnode_cache,
-                                      &dii->i_btnode_cache);
-}
-
-void nilfs_commit_gcdat_inode(struct the_nilfs *nilfs)
-{
-        struct inode *dat = nilfs->ns_dat, *gcdat = nilfs->ns_gc_dat;
-        struct nilfs_inode_info *dii = NILFS_I(dat), *gii = NILFS_I(gcdat);
-        struct address_space *mapping = dat->i_mapping;
-        struct address_space *gmapping = gcdat->i_mapping;
-
-        down_write(&NILFS_MDT(dat)->mi_sem);
-        dat->i_blocks = gcdat->i_blocks;
-        dii->i_flags = gii->i_flags;
-        dii->i_state = gii->i_state & ~(1 << NILFS_I_GCDAT);
-
-        nilfs_bmap_commit_gcdat(gii->i_bmap, dii->i_bmap);
-
-        nilfs_palloc_clear_cache(dat);
-        nilfs_palloc_clear_cache(gcdat);
-        nilfs_clear_dirty_pages(mapping);
-        nilfs_copy_back_pages(mapping, gmapping);
-        /* note: mdt dirty flags should be cleared by segctor. */
-
-        nilfs_clear_dirty_pages(&dii->i_btnode_cache);
-        nilfs_copy_back_pages(&dii->i_btnode_cache, &gii->i_btnode_cache);
-
-        up_write(&NILFS_MDT(dat)->mi_sem);
-}
-
-void nilfs_clear_gcdat_inode(struct the_nilfs *nilfs)
-{
-        struct inode *gcdat = nilfs->ns_gc_dat;
-        struct nilfs_inode_info *gii = NILFS_I(gcdat);
-
-        gcdat->i_state = I_FREEING | I_CLEAR;
-        gii->i_flags = 0;
-
-        nilfs_palloc_clear_cache(gcdat);
-        truncate_inode_pages(gcdat->i_mapping, 0);
-        truncate_inode_pages(&gii->i_btnode_cache, 0);
-}