79 строки
2.1 KiB
C
79 строки
2.1 KiB
C
/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_I__
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#define __BTRFS_I__
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#include "extent_map.h"
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#include "extent_io.h"
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#include "ordered-data.h"
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/* in memory btrfs inode */
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struct btrfs_inode {
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struct btrfs_root *root;
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struct btrfs_block_group_cache *block_group;
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struct btrfs_key location;
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struct extent_map_tree extent_tree;
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struct extent_io_tree io_tree;
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struct extent_io_tree io_failure_tree;
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struct mutex csum_mutex;
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struct mutex extent_mutex;
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struct inode vfs_inode;
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struct btrfs_ordered_inode_tree ordered_tree;
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struct posix_acl *i_acl;
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struct posix_acl *i_default_acl;
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/*
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* transid of the trans_handle that last modified this inode
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*/
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u64 last_trans;
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u64 delalloc_bytes;
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u64 disk_i_size;
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u32 flags;
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/*
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* if this is a directory then index_cnt is the counter for the index
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* number for new files that are created
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*/
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u64 index_cnt;
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/*
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* index holds the directory index for this inode on creation, so
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* add_link can do what its supposed to. This isn't populated when the
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* inode is read because there isn't really a reason to know this unless
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* we are creating the directory index or deleting it, and deletion
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* reads the index off of the inode reference at unlink time.
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*/
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u64 index;
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};
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static inline struct btrfs_inode *BTRFS_I(struct inode *inode)
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{
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return container_of(inode, struct btrfs_inode, vfs_inode);
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}
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static inline void btrfs_i_size_write(struct inode *inode, u64 size)
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{
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inode->i_size = size;
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BTRFS_I(inode)->disk_i_size = size;
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}
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#endif
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