1 files changed, 0 insertions, 270 deletions
diff --git a/ANDROID_3.4.5/fs/nilfs2/bmap.h b/ANDROID_3.4.5/fs/nilfs2/bmap.h
deleted file mode 100644
index 40d9f453..00000000
--- a/ANDROID_3.4.5/fs/nilfs2/bmap.h
+++ /dev/null
@@ -1,270 +0,0 @@
-/*
- * bmap.h - NILFS block mapping.
- *
- * Copyright (C) 2006-2008 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_BMAP_H
-#define _NILFS_BMAP_H
-
-#include <linux/types.h>
-#include <linux/fs.h>
-#include <linux/buffer_head.h>
-#include <linux/nilfs2_fs.h>
-#include "alloc.h"
-#include "dat.h"
-
-#define NILFS_BMAP_INVALID_PTR	0
-
-#define nilfs_bmap_keydiff_abs(diff)	((diff) < 0 ? -(diff) : (diff))
-
-
-struct nilfs_bmap;
-
-/**
- * union nilfs_bmap_ptr_req - request for bmap ptr
- * @bpr_ptr: bmap pointer
- * @bpr_req: request for persistent allocator
- */
-union nilfs_bmap_ptr_req {
-	__u64 bpr_ptr;
-	struct nilfs_palloc_req bpr_req;
-};
-
-/**
- * struct nilfs_bmap_stats - bmap statistics
- * @bs_nblocks: number of blocks created or deleted
- */
-struct nilfs_bmap_stats {
-	unsigned int bs_nblocks;
-};
-
-/**
- * struct nilfs_bmap_operations - bmap operation table
- */
-struct nilfs_bmap_operations {
-	int (*bop_lookup)(const struct nilfs_bmap *, __u64, int, __u64 *);
-	int (*bop_lookup_contig)(const struct nilfs_bmap *, __u64, __u64 *,
-				 unsigned);
-	int (*bop_insert)(struct nilfs_bmap *, __u64, __u64);
-	int (*bop_delete)(struct nilfs_bmap *, __u64);
-	void (*bop_clear)(struct nilfs_bmap *);
-
-	int (*bop_propagate)(struct nilfs_bmap *, struct buffer_head *);
-	void (*bop_lookup_dirty_buffers)(struct nilfs_bmap *,
-					 struct list_head *);
-
-	int (*bop_assign)(struct nilfs_bmap *,
-			  struct buffer_head **,
-			  sector_t,
-			  union nilfs_binfo *);
-	int (*bop_mark)(struct nilfs_bmap *, __u64, int);
-
-	/* The following functions are internal use only. */
-	int (*bop_last_key)(const struct nilfs_bmap *, __u64 *);
-	int (*bop_check_insert)(const struct nilfs_bmap *, __u64);
-	int (*bop_check_delete)(struct nilfs_bmap *, __u64);
-	int (*bop_gather_data)(struct nilfs_bmap *, __u64 *, __u64 *, int);
-};
-
-
-#define NILFS_BMAP_SIZE		(NILFS_INODE_BMAP_SIZE * sizeof(__le64))
-#define NILFS_BMAP_KEY_BIT	(sizeof(unsigned long) * 8 /* CHAR_BIT */)
-#define NILFS_BMAP_NEW_PTR_INIT	\
-	(1UL << (sizeof(unsigned long) * 8 /* CHAR_BIT */ - 1))
-
-static inline int nilfs_bmap_is_new_ptr(unsigned long ptr)
-{
-	return !!(ptr & NILFS_BMAP_NEW_PTR_INIT);
-}
-
-
-/**
- * struct nilfs_bmap - bmap structure
- * @b_u: raw data
- * @b_sem: semaphore
- * @b_inode: owner of bmap
- * @b_ops: bmap operation table
- * @b_last_allocated_key: last allocated key for data block
- * @b_last_allocated_ptr: last allocated ptr for data block
- * @b_ptr_type: pointer type
- * @b_state: state
- * @b_nchildren_per_block: maximum number of child nodes for non-root nodes
- */
-struct nilfs_bmap {
-	union {
-		__u8 u_flags;
-		__le64 u_data[NILFS_BMAP_SIZE / sizeof(__le64)];
-	} b_u;
-	struct rw_semaphore b_sem;
-	struct inode *b_inode;
-	const struct nilfs_bmap_operations *b_ops;
-	__u64 b_last_allocated_key;
-	__u64 b_last_allocated_ptr;
-	int b_ptr_type;
-	int b_state;
-	__u16 b_nchildren_per_block;
-};
-
-/* pointer type */
-#define NILFS_BMAP_PTR_P	0	/* physical block number (i.e. LBN) */
-#define NILFS_BMAP_PTR_VS	1	/* virtual block number (single
-					   version) */
-#define NILFS_BMAP_PTR_VM	2	/* virtual block number (has multiple
-					   versions) */
-#define NILFS_BMAP_PTR_U	(-1)	/* never perform pointer operations */
-
-#define NILFS_BMAP_USE_VBN(bmap)	((bmap)->b_ptr_type > 0)
-
-/* state */
-#define NILFS_BMAP_DIRTY	0x00000001
-
-struct nilfs_bmap_store {
-	__le64 data[NILFS_BMAP_SIZE / sizeof(__le64)];
-	__u64 last_allocated_key;
-	__u64 last_allocated_ptr;
-	int state;
-};
-
-int nilfs_bmap_test_and_clear_dirty(struct nilfs_bmap *);
-int nilfs_bmap_read(struct nilfs_bmap *, struct nilfs_inode *);
-void nilfs_bmap_write(struct nilfs_bmap *, struct nilfs_inode *);
-int nilfs_bmap_lookup_contig(struct nilfs_bmap *, __u64, __u64 *, unsigned);
-int nilfs_bmap_insert(struct nilfs_bmap *, unsigned long, unsigned long);
-int nilfs_bmap_delete(struct nilfs_bmap *, unsigned long);
-int nilfs_bmap_last_key(struct nilfs_bmap *, unsigned long *);
-int nilfs_bmap_truncate(struct nilfs_bmap *, unsigned long);
-void nilfs_bmap_clear(struct nilfs_bmap *);
-int nilfs_bmap_propagate(struct nilfs_bmap *, struct buffer_head *);
-void nilfs_bmap_lookup_dirty_buffers(struct nilfs_bmap *, struct list_head *);
-int nilfs_bmap_assign(struct nilfs_bmap *, struct buffer_head **,
-		      unsigned long, union nilfs_binfo *);
-int nilfs_bmap_lookup_at_level(struct nilfs_bmap *, __u64, int, __u64 *);
-int nilfs_bmap_mark(struct nilfs_bmap *, __u64, int);
-
-void nilfs_bmap_init_gc(struct nilfs_bmap *);
-
-void nilfs_bmap_save(const struct nilfs_bmap *, struct nilfs_bmap_store *);
-void nilfs_bmap_restore(struct nilfs_bmap *, const struct nilfs_bmap_store *);
-
-static inline int nilfs_bmap_lookup(struct nilfs_bmap *bmap, __u64 key,
-				    __u64 *ptr)
-{
-	return nilfs_bmap_lookup_at_level(bmap, key, 1, ptr);
-}
-
-/*
- * Internal use only
- */
-struct inode *nilfs_bmap_get_dat(const struct nilfs_bmap *);
-
-static inline int nilfs_bmap_prepare_alloc_ptr(struct nilfs_bmap *bmap,
-					       union nilfs_bmap_ptr_req *req,
-					       struct inode *dat)
-{
-	if (dat)
-		return nilfs_dat_prepare_alloc(dat, &req->bpr_req);
-	/* ignore target ptr */
-	req->bpr_ptr = bmap->b_last_allocated_ptr++;
-	return 0;
-}
-
-static inline void nilfs_bmap_commit_alloc_ptr(struct nilfs_bmap *bmap,
-					       union nilfs_bmap_ptr_req *req,
-					       struct inode *dat)
-{
-	if (dat)
-		nilfs_dat_commit_alloc(dat, &req->bpr_req);
-}
-
-static inline void nilfs_bmap_abort_alloc_ptr(struct nilfs_bmap *bmap,
-					      union nilfs_bmap_ptr_req *req,
-					      struct inode *dat)
-{
-	if (dat)
-		nilfs_dat_abort_alloc(dat, &req->bpr_req);
-	else
-		bmap->b_last_allocated_ptr--;
-}
-
-static inline int nilfs_bmap_prepare_end_ptr(struct nilfs_bmap *bmap,
-					     union nilfs_bmap_ptr_req *req,
-					     struct inode *dat)
-{
-	return dat ? nilfs_dat_prepare_end(dat, &req->bpr_req) : 0;
-}
-
-static inline void nilfs_bmap_commit_end_ptr(struct nilfs_bmap *bmap,
-					     union nilfs_bmap_ptr_req *req,
-					     struct inode *dat)
-{
-	if (dat)
-		nilfs_dat_commit_end(dat, &req->bpr_req,
-				     bmap->b_ptr_type == NILFS_BMAP_PTR_VS);
-}
-
-static inline void nilfs_bmap_abort_end_ptr(struct nilfs_bmap *bmap,
-					    union nilfs_bmap_ptr_req *req,
-					    struct inode *dat)
-{
-	if (dat)
-		nilfs_dat_abort_end(dat, &req->bpr_req);
-}
-
-static inline void nilfs_bmap_set_target_v(struct nilfs_bmap *bmap, __u64 key,
-					   __u64 ptr)
-{
-	bmap->b_last_allocated_key = key;
-	bmap->b_last_allocated_ptr = ptr;
-}
-
-__u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *,
-			      const struct buffer_head *);
-
-__u64 nilfs_bmap_find_target_seq(const struct nilfs_bmap *, __u64);
-__u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *);
-
-
-/* Assume that bmap semaphore is locked. */
-static inline int nilfs_bmap_dirty(const struct nilfs_bmap *bmap)
-{
-	return !!(bmap->b_state & NILFS_BMAP_DIRTY);
-}
-
-/* Assume that bmap semaphore is locked. */
-static inline void nilfs_bmap_set_dirty(struct nilfs_bmap *bmap)
-{
-	bmap->b_state |= NILFS_BMAP_DIRTY;
-}
-
-/* Assume that bmap semaphore is locked. */
-static inline void nilfs_bmap_clear_dirty(struct nilfs_bmap *bmap)
-{
-	bmap->b_state &= ~NILFS_BMAP_DIRTY;
-}
-
-
-#define NILFS_BMAP_LARGE	0x1
-
-#define NILFS_BMAP_SMALL_LOW	NILFS_DIRECT_KEY_MIN
-#define NILFS_BMAP_SMALL_HIGH	NILFS_DIRECT_KEY_MAX
-#define NILFS_BMAP_LARGE_LOW	NILFS_BTREE_ROOT_NCHILDREN_MAX
-#define NILFS_BMAP_LARGE_HIGH	NILFS_BTREE_KEY_MAX
-
-#endif	/* _NILFS_BMAP_H */