linux - struct inode中i_blksize成员的替换是什么？

我正在编译可堆叠的文件系统wrapfs，并且在结构索引节点数据结构中遇到错误，缺少成员i_blksize？我查了一下，发现在2.6版内核之后，已对其进行了重大修改，并删除了i_blksize。该成员的替代者是什么？

kunal@Baweja:~/Documents/wrapfs$ make
make -C /lib/modules/3.13.0-40-generic/build SUBDIRS=/home/kunal/Documents/wrapfs modules
make[1]: Entering directory `/usr/src/linux-headers-3.13.0-40-generic'
  CC [M]  /home/kunal/Documents/wrapfs/fist_wrapfs.o
In file included from /home/kunal/Documents/wrapfs/fist_wrapfs.c:15:0:
/home/kunal/Documents/wrapfs/wrapfs.h: In function ‘fist_copy_attr_all’:
/home/kunal/Documents/wrapfs/wrapfs.h:203:6: error: ‘inode_t’ has no member named ‘i_blksize’
  dest->i_blksize = src->i_blksize;
      ^
/home/kunal/Documents/wrapfs/wrapfs.h:203:23: error: ‘inode_t’ has no member named ‘i_blksize’
  dest->i_blksize = src->i_blksize;
                       ^
make[2]: *** [/home/kunal/Documents/wrapfs/fist_wrapfs.o] Error 1
make[1]: *** [_module_/home/kunal/Documents/wrapfs] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-3.13.0-40-generic'
make: *** [all] Error 2

最佳答案

看起来这是不必要的重复

inode->i_blksize == (1 << inode->i_blkbits)

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