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/*
* Copyright (C) 2007 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#ifndef __BTRFS_I__
#define __BTRFS_I__
#include "extent_map.h"
#include "extent_io.h"
#include "ordered-data.h"
/* in memory btrfs inode */
struct btrfs_inode {
struct btrfs_root *root;
struct btrfs_block_group_cache *block_group;
struct btrfs_key location;
struct extent_map_tree extent_tree;
struct extent_io_tree io_tree;
struct extent_io_tree io_failure_tree;
struct mutex csum_mutex;
struct mutex extent_mutex;
struct inode vfs_inode;
struct btrfs_ordered_inode_tree ordered_tree;
struct posix_acl *i_acl;
struct posix_acl *i_default_acl;
/* for keeping track of orphaned inodes */
struct list_head i_orphan;
struct list_head delalloc_inodes;
/*
* transid of the trans_handle that last modified this inode
*/
u64 last_trans;
u64 delalloc_bytes;
u64 disk_i_size;
u32 flags;
/*
* if this is a directory then index_cnt is the counter for the index
* number for new files that are created
*/
u64 index_cnt;
/*
* index holds the directory index for this inode on creation, so
* add_link can do what its supposed to. This isn't populated when the
* inode is read because there isn't really a reason to know this unless
* we are creating the directory index or deleting it, and deletion
* reads the index off of the inode reference at unlink time.
*/
u64 index;
};
static inline struct btrfs_inode *BTRFS_I(struct inode *inode)
{
return container_of(inode, struct btrfs_inode, vfs_inode);
}
static inline void btrfs_i_size_write(struct inode *inode, u64 size)
{
inode->i_size = size;
BTRFS_I(inode)->disk_i_size = size;
}
#endif
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