[Ocfs2-users] make error on 2.6.20

[nirmal tom]

hi,
In kernel  2.6.20-1.2925.fc6 ocfs2 fetches me this make error.How can i fix 
this?

[root at server ocfs2-1.2.4]# make
make -C fs
make[1]: Entering directory `/opt/ocfs2-1.2.4/fs'
make -C ocfs2 stamp-md5
make[2]: Entering directory `/opt/ocfs2-1.2.4/fs/ocfs2'
make[2]: Leaving directory `/opt/ocfs2-1.2.4/fs/ocfs2'
make -C ocfs2/cluster stamp-md5
make[2]: Entering directory `/opt/ocfs2-1.2.4/fs/ocfs2/cluster'
make[2]: Leaving directory `/opt/ocfs2-1.2.4/fs/ocfs2/cluster'
make -C ocfs2/dlm stamp-md5
make[2]: Entering directory `/opt/ocfs2-1.2.4/fs/ocfs2/dlm'
make[2]: Leaving directory `/opt/ocfs2-1.2.4/fs/ocfs2/dlm'
make -C /lib/modules/2.6.20-1.2925.fc6/build  M=/opt/ocfs2-1.2.4/fs modules
make[2]: Entering directory `/usr/src/kernels/2.6.20-1.2925.fc6-i686'
  CC [M]  /opt/ocfs2-1.2.4/fs/configfs/inode.o
/opt/ocfs2-1.2.4/fs/configfs/inode.c: In function ‘configfs_new_inode’:
/opt/ocfs2-1.2.4/fs/configfs/inode.c:62: error: ‘struct inode’ has no member 
named ‘i_blksize’
make[4]: *** [/opt/ocfs2-1.2.4/fs/configfs/inode.o] Error 1
make[3]: *** [/opt/ocfs2-1.2.4/fs/configfs] Error 2
make[2]: *** [_module_/opt/ocfs2-1.2.4/fs] Error 2
make[2]: Leaving directory `/usr/src/kernels/2.6.20-1.2925.fc6-i686'
make[1]: *** [build-modules] Error 2
make[1]: Leaving directory `/opt/ocfs2-1.2.4/fs'
make: *** [fs] Error 2

Thanks and regards,
Nirmal Tom.V