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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/nilfs2/btree.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/nilfs2/btree.h')
-rw-r--r--ANDROID_3.4.5/fs/nilfs2/btree.h77
1 files changed, 0 insertions, 77 deletions
diff --git a/ANDROID_3.4.5/fs/nilfs2/btree.h b/ANDROID_3.4.5/fs/nilfs2/btree.h
deleted file mode 100644
index 22c02e35..00000000
--- a/ANDROID_3.4.5/fs/nilfs2/btree.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * btree.h - NILFS B-tree.
- *
- * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Written by Koji Sato <koji@osrg.net>.
- */
-
-#ifndef _NILFS_BTREE_H
-#define _NILFS_BTREE_H
-
-#include <linux/types.h>
-#include <linux/buffer_head.h>
-#include <linux/list.h>
-#include <linux/nilfs2_fs.h>
-#include "btnode.h"
-#include "bmap.h"
-
-/**
- * struct nilfs_btree_path - A path on which B-tree operations are executed
- * @bp_bh: buffer head of node block
- * @bp_sib_bh: buffer head of sibling node block
- * @bp_index: index of child node
- * @bp_oldreq: ptr end request for old ptr
- * @bp_newreq: ptr alloc request for new ptr
- * @bp_op: rebalance operation
- */
-struct nilfs_btree_path {
- struct buffer_head *bp_bh;
- struct buffer_head *bp_sib_bh;
- int bp_index;
- union nilfs_bmap_ptr_req bp_oldreq;
- union nilfs_bmap_ptr_req bp_newreq;
- struct nilfs_btnode_chkey_ctxt bp_ctxt;
- void (*bp_op)(struct nilfs_bmap *, struct nilfs_btree_path *,
- int, __u64 *, __u64 *);
-};
-
-#define NILFS_BTREE_ROOT_SIZE NILFS_BMAP_SIZE
-#define NILFS_BTREE_ROOT_NCHILDREN_MAX \
- ((NILFS_BTREE_ROOT_SIZE - sizeof(struct nilfs_btree_node)) / \
- (sizeof(__le64 /* dkey */) + sizeof(__le64 /* dptr */)))
-#define NILFS_BTREE_ROOT_NCHILDREN_MIN 0
-#define NILFS_BTREE_NODE_EXTRA_PAD_SIZE (sizeof(__le64))
-#define NILFS_BTREE_NODE_NCHILDREN_MAX(nodesize) \
- (((nodesize) - sizeof(struct nilfs_btree_node) - \
- NILFS_BTREE_NODE_EXTRA_PAD_SIZE) / \
- (sizeof(__le64 /* dkey */) + sizeof(__le64 /* dptr */)))
-#define NILFS_BTREE_NODE_NCHILDREN_MIN(nodesize) \
- ((NILFS_BTREE_NODE_NCHILDREN_MAX(nodesize) - 1) / 2 + 1)
-#define NILFS_BTREE_KEY_MIN ((__u64)0)
-#define NILFS_BTREE_KEY_MAX (~(__u64)0)
-
-extern struct kmem_cache *nilfs_btree_path_cache;
-
-int nilfs_btree_init(struct nilfs_bmap *);
-int nilfs_btree_convert_and_insert(struct nilfs_bmap *, __u64, __u64,
- const __u64 *, const __u64 *, int);
-void nilfs_btree_init_gc(struct nilfs_bmap *);
-
-int nilfs_btree_broken_node_block(struct buffer_head *bh);
-
-#endif /* _NILFS_BTREE_H */