ctree.h (33268eaf0b3db5e2bd12c0ada81a8e8f87a46d68) ctree.h (7b1287662304c3cb05cb38f5e3e2d69f386e8f10)
1/*
2 * Copyright (C) 2007 Oracle. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,

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69#define BTRFS_DEV_TREE_OBJECTID 4ULL
70
71/* one per subvolume, storing files and directories */
72#define BTRFS_FS_TREE_OBJECTID 5ULL
73
74/* directory objectid inside the root tree */
75#define BTRFS_ROOT_TREE_DIR_OBJECTID 6ULL
76
1/*
2 * Copyright (C) 2007 Oracle. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,

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69#define BTRFS_DEV_TREE_OBJECTID 4ULL
70
71/* one per subvolume, storing files and directories */
72#define BTRFS_FS_TREE_OBJECTID 5ULL
73
74/* directory objectid inside the root tree */
75#define BTRFS_ROOT_TREE_DIR_OBJECTID 6ULL
76
77/* orhpan objectid for tracking unlinked/truncated files */
78#define BTRFS_ORPHAN_OBJECTID -5ULL
79
77/*
78 * All files have objectids higher than this.
79 */
80#define BTRFS_FIRST_FREE_OBJECTID 256ULL
81#define BTRFS_FIRST_CHUNK_TREE_OBJECTID 256ULL
82
83
84/*

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641 struct btrfs_key defrag_max;
642 int defrag_running;
643 int defrag_level;
644 char *name;
645 int in_sysfs;
646
647 /* the dirty list is only used by non-reference counted roots */
648 struct list_head dirty_list;
80/*
81 * All files have objectids higher than this.
82 */
83#define BTRFS_FIRST_FREE_OBJECTID 256ULL
84#define BTRFS_FIRST_CHUNK_TREE_OBJECTID 256ULL
85
86
87/*

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644 struct btrfs_key defrag_max;
645 int defrag_running;
646 int defrag_level;
647 char *name;
648 int in_sysfs;
649
650 /* the dirty list is only used by non-reference counted roots */
651 struct list_head dirty_list;
652
653 spinlock_t orphan_lock;
654 struct list_head orphan_list;
649};
650
651/*
652
653 * inode items have the data typically returned from stat and store other
654 * info about object characteristics. There is one for every file and dir in
655 * the FS
656 */
657#define BTRFS_INODE_ITEM_KEY 1
658#define BTRFS_INODE_REF_KEY 2
659#define BTRFS_XATTR_ITEM_KEY 8
655};
656
657/*
658
659 * inode items have the data typically returned from stat and store other
660 * info about object characteristics. There is one for every file and dir in
661 * the FS
662 */
663#define BTRFS_INODE_ITEM_KEY 1
664#define BTRFS_INODE_REF_KEY 2
665#define BTRFS_XATTR_ITEM_KEY 8
666#define BTRFS_ORPHAN_ITEM_KEY 9
660/* reserve 2-15 close to the inode for later flexibility */
661
662/*
663 * dir items are the name -> inode pointers in a directory. There is one
664 * for every name in a directory.
665 */
666#define BTRFS_DIR_ITEM_KEY 16
667#define BTRFS_DIR_INDEX_KEY 17

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1555 struct btrfs_root *root, const char *name,
1556 u16 name_len, const void *data, u16 data_len,
1557 u64 dir);
1558struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
1559 struct btrfs_root *root,
1560 struct btrfs_path *path, u64 dir,
1561 const char *name, u16 name_len,
1562 int mod);
667/* reserve 2-15 close to the inode for later flexibility */
668
669/*
670 * dir items are the name -> inode pointers in a directory. There is one
671 * for every name in a directory.
672 */
673#define BTRFS_DIR_ITEM_KEY 16
674#define BTRFS_DIR_INDEX_KEY 17

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1562 struct btrfs_root *root, const char *name,
1563 u16 name_len, const void *data, u16 data_len,
1564 u64 dir);
1565struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
1566 struct btrfs_root *root,
1567 struct btrfs_path *path, u64 dir,
1568 const char *name, u16 name_len,
1569 int mod);
1570
1571/* orphan.c */
1572int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
1573 struct btrfs_root *root, u64 offset);
1574int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
1575 struct btrfs_root *root, u64 offset);
1576
1563/* inode-map.c */
1564int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
1565 struct btrfs_root *fs_root,
1566 u64 dirid, u64 *objectid);
1567int btrfs_find_highest_inode(struct btrfs_root *fs_root, u64 *objectid);
1568
1569/* inode-item.c */
1570int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,

--- 134 unchanged lines hidden --- 		1577/* inode-map.c */
1578int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
1579 struct btrfs_root *fs_root,
1580 u64 dirid, u64 *objectid);
1581int btrfs_find_highest_inode(struct btrfs_root *fs_root, u64 *objectid);
1582
1583/* inode-item.c */
1584int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,

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