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) 2002-2010 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 Y_INLINE yaffs_block_info_t *yaffs_get_block_info(yaffs_dev_t * dev, int blk)
  24 {
  25         if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
  26                 T(YAFFS_TRACE_ERROR,
  27                   (TSTR
  28                    ("**>> yaffs: getBlockInfo block %d is not valid" TENDSTR),
  29                    blk));
  30                 YBUG();
  31         }
  32         return &dev->block_info[blk - dev->internal_start_block];
  33 }
  34
  35 #endif