target/linux/generic/files/fs/yaffs2/yaffs_getblockinfo.h

   1 /*
   2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2011 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Charles Manning <charles@aleph1.co.uk>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU Lesser General Public License version 2.1 as
  11  * published by the Free Software Foundation.
  12  *
  13  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
  14  */
  15
  16 #ifndef __YAFFS_GETBLOCKINFO_H__
  17 #define __YAFFS_GETBLOCKINFO_H__
  18
  19 #include "yaffs_guts.h"
  20 #include "yaffs_trace.h"
  21
  22 /* Function to manipulate block info */
  23 static inline struct yaffs_block_info *yaffs_get_block_info(struct yaffs_dev
  24                                                               *dev, int blk)
  25 {
  26         if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
  27                 yaffs_trace(YAFFS_TRACE_ERROR,
  28                         "**>> yaffs: get_block_info block %d is not valid",
  29                         blk);
  30                 BUG();
  31         }
  32         return &dev->block_info[blk - dev->internal_start_block];
  33 }
  34
  35 #endif