btrfs: remove ->write_super and stop maintaining ->s_dirt

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5b68330..8612b3a 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2322,7 +2322,6 @@ err:
        btrfs_update_inode(trans, root, dir);
        btrfs_drop_nlink(inode);
        ret = btrfs_update_inode(trans, root, inode);
-       dir->i_sb->s_dirt = 1;
 out:
        return ret;
 }
@@ -2806,7 +2805,6 @@ error:
                                      pending_del_nr);
        }
        btrfs_free_path(path);
-       inode->i_sb->s_dirt = 1;
        return ret;
 }
 
@@ -3768,7 +3766,6 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
                init_special_inode(inode, inode->i_mode, rdev);
                btrfs_update_inode(trans, root, inode);
        }
-       dir->i_sb->s_dirt = 1;
        btrfs_update_inode_block_group(trans, inode);
        btrfs_update_inode_block_group(trans, dir);
 out_unlock:
@@ -3833,7 +3830,6 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
                inode->i_op = &btrfs_file_inode_operations;
                BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
        }
-       dir->i_sb->s_dirt = 1;
        btrfs_update_inode_block_group(trans, inode);
        btrfs_update_inode_block_group(trans, dir);
 out_unlock:
@@ -3880,7 +3876,6 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
        if (err)
                drop_inode = 1;
 
-       dir->i_sb->s_dirt = 1;
        btrfs_update_inode_block_group(trans, dir);
        err = btrfs_update_inode(trans, root, inode);
 
@@ -3962,7 +3957,6 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 
        d_instantiate(dentry, inode);
        drop_on_err = 0;
-       dir->i_sb->s_dirt = 1;
        btrfs_update_inode_block_group(trans, inode);
        btrfs_update_inode_block_group(trans, dir);
 
@@ -4991,7 +4985,6 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
                inode->i_op = &btrfs_file_inode_operations;
                BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
        }
-       dir->i_sb->s_dirt = 1;
        btrfs_update_inode_block_group(trans, inode);
        btrfs_update_inode_block_group(trans, dir);
        if (drop_inode)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 708ac06..52d8452 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -397,7 +397,6 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
        if (sb->s_flags & MS_RDONLY)
                return 0;
 
-       sb->s_dirt = 0;
        if (!wait) {
                filemap_flush(root->fs_info->btree_inode->i_mapping);
                return 0;
@@ -408,7 +407,6 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
 
        trans = btrfs_start_transaction(root, 1);
        ret = btrfs_commit_transaction(trans, root);
-       sb->s_dirt = 0;
        return ret;
 }
 
@@ -454,11 +452,6 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
        return 0;
 }
 
-static void btrfs_write_super(struct super_block *sb)
-{
-       sb->s_dirt = 0;
-}
-
 static int btrfs_test_super(struct super_block *s, void *data)
 {
        struct btrfs_fs_devices *test_fs_devices = data;
@@ -689,7 +682,6 @@ static int btrfs_unfreeze(struct super_block *sb)
 static struct super_operations btrfs_super_ops = {
        .delete_inode   = btrfs_delete_inode,
        .put_super      = btrfs_put_super,
-       .write_super    = btrfs_write_super,
        .sync_fs        = btrfs_sync_fs,
        .show_options   = btrfs_show_options,
        .write_inode    = btrfs_write_inode,