blk_to_logical    295 fs/ioctl.c     			length -= blk_to_logical(inode, 1);
blk_to_logical    311 fs/ioctl.c     			logical = blk_to_logical(inode, start_blk);
blk_to_logical    312 fs/ioctl.c     			phys = blk_to_logical(inode, tmp.b_blocknr);