diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/ocfs2/extent_map.h')
-rw-r--r-- | ANDROID_3.4.5/fs/ocfs2/extent_map.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/ANDROID_3.4.5/fs/ocfs2/extent_map.h b/ANDROID_3.4.5/fs/ocfs2/extent_map.h deleted file mode 100644 index 67ea57d2..00000000 --- a/ANDROID_3.4.5/fs/ocfs2/extent_map.h +++ /dev/null @@ -1,92 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * extent_map.h - * - * In-memory file extent mappings for OCFS2. - * - * Copyright (C) 2004 Oracle. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License, version 2, as published by the Free Software Foundation. - * - * 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., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - -#ifndef _EXTENT_MAP_H -#define _EXTENT_MAP_H - -struct ocfs2_extent_map_item { - unsigned int ei_cpos; - unsigned int ei_phys; - unsigned int ei_clusters; - unsigned int ei_flags; - - struct list_head ei_list; -}; - -#define OCFS2_MAX_EXTENT_MAP_ITEMS 3 -struct ocfs2_extent_map { - unsigned int em_num_items; - struct list_head em_list; -}; - -void ocfs2_extent_map_init(struct inode *inode); -void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cluster); -void ocfs2_extent_map_insert_rec(struct inode *inode, - struct ocfs2_extent_rec *rec); - -int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, - u32 *num_clusters, unsigned int *extent_flags); -int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno, - u64 *ret_count, unsigned int *extent_flags); - -int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - u64 map_start, u64 map_len); - -int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin); - -int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster, - u32 *p_cluster, u32 *num_clusters, - struct ocfs2_extent_list *el, - unsigned int *extent_flags); - -int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr, - struct buffer_head *bhs[], int flags, - int (*validate)(struct super_block *sb, - struct buffer_head *bh)); -int ocfs2_figure_hole_clusters(struct ocfs2_caching_info *ci, - struct ocfs2_extent_list *el, - struct buffer_head *eb_bh, - u32 v_cluster, - u32 *num_clusters); -static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block, - struct buffer_head **bh, - int (*validate)(struct super_block *sb, - struct buffer_head *bh)) -{ - int status = 0; - - if (bh == NULL) { - printk("ocfs2: bh == NULL\n"); - status = -EINVAL; - goto bail; - } - - status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate); - -bail: - return status; -} - - -#endif /* _EXTENT_MAP_H */ |