16cbd5570SChris Mason /* 26cbd5570SChris Mason * Copyright (C) 2007 Oracle. All rights reserved. 36cbd5570SChris Mason * 46cbd5570SChris Mason * This program is free software; you can redistribute it and/or 56cbd5570SChris Mason * modify it under the terms of the GNU General Public 66cbd5570SChris Mason * License v2 as published by the Free Software Foundation. 76cbd5570SChris Mason * 86cbd5570SChris Mason * This program is distributed in the hope that it will be useful, 96cbd5570SChris Mason * but WITHOUT ANY WARRANTY; without even the implied warranty of 106cbd5570SChris Mason * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 116cbd5570SChris Mason * General Public License for more details. 126cbd5570SChris Mason * 136cbd5570SChris Mason * You should have received a copy of the GNU General Public 146cbd5570SChris Mason * License along with this program; if not, write to the 156cbd5570SChris Mason * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 166cbd5570SChris Mason * Boston, MA 021110-1307, USA. 176cbd5570SChris Mason */ 186cbd5570SChris Mason 192c90e5d6SChris Mason #ifndef __BTRFS_I__ 202c90e5d6SChris Mason #define __BTRFS_I__ 212c90e5d6SChris Mason 22a52d9a80SChris Mason #include "extent_map.h" 23d1310b2eSChris Mason #include "extent_io.h" 24e6dcd2dcSChris Mason #include "ordered-data.h" 25a52d9a80SChris Mason 26f1ace244SAneesh /* in memory btrfs inode */ 272c90e5d6SChris Mason struct btrfs_inode { 28d6e4a428SChris Mason struct btrfs_root *root; 2931f3c99bSChris Mason struct btrfs_block_group_cache *block_group; 30d6e4a428SChris Mason struct btrfs_key location; 31a52d9a80SChris Mason struct extent_map_tree extent_tree; 32d1310b2eSChris Mason struct extent_io_tree io_tree; 337e38326fSChris Mason struct extent_io_tree io_failure_tree; 341b1e2135SChris Mason struct mutex csum_mutex; 35ee6e6504SChris Mason struct mutex extent_mutex; 362c90e5d6SChris Mason struct inode vfs_inode; 37e6dcd2dcSChris Mason struct btrfs_ordered_inode_tree ordered_tree; 3815ee9bc7SJosef Bacik 3915ee9bc7SJosef Bacik /* 4015ee9bc7SJosef Bacik * transid of the trans_handle that last modified this inode 4115ee9bc7SJosef Bacik */ 4215ee9bc7SJosef Bacik u64 last_trans; 439069218dSChris Mason u64 delalloc_bytes; 44dbe674a9SChris Mason u64 disk_i_size; 45b98b6767SYan u32 flags; 46*aec7477bSJosef Bacik 47*aec7477bSJosef Bacik /* 48*aec7477bSJosef Bacik * if this is a directory then index_cnt is the counter for the index 49*aec7477bSJosef Bacik * number for new files that are created 50*aec7477bSJosef Bacik */ 51*aec7477bSJosef Bacik u64 index_cnt; 52*aec7477bSJosef Bacik 53*aec7477bSJosef Bacik /* 54*aec7477bSJosef Bacik * index holds the directory index for this inode on creation, so 55*aec7477bSJosef Bacik * add_link can do what its supposed to. This isn't populated when the 56*aec7477bSJosef Bacik * inode is read because there isn't really a reason to know this unless 57*aec7477bSJosef Bacik * we are creating the directory index or deleting it, and deletion 58*aec7477bSJosef Bacik * reads the index off of the inode reference at unlink time. 59*aec7477bSJosef Bacik */ 60*aec7477bSJosef Bacik u64 index; 612c90e5d6SChris Mason }; 62dbe674a9SChris Mason 632c90e5d6SChris Mason static inline struct btrfs_inode *BTRFS_I(struct inode *inode) 642c90e5d6SChris Mason { 652c90e5d6SChris Mason return container_of(inode, struct btrfs_inode, vfs_inode); 662c90e5d6SChris Mason } 672c90e5d6SChris Mason 68dbe674a9SChris Mason static inline void btrfs_i_size_write(struct inode *inode, u64 size) 69dbe674a9SChris Mason { 70dbe674a9SChris Mason inode->i_size = size; 71dbe674a9SChris Mason BTRFS_I(inode)->disk_i_size = size; 72dbe674a9SChris Mason } 73dbe674a9SChris Mason 74dbe674a9SChris Mason 752c90e5d6SChris Mason #endif 76