int ret = 0;
struct buffer_head *head, *bh, *wait[2], **wait_bh = wait;
unsigned int block_end, block_start;
- unsigned int bsize = 1 << inode->i_blkbits;
+ unsigned int bsize = i_blocksize(inode);
if (!page_has_buffers(page))
create_empty_buffers(page, bsize, 0);