ocfs2: fix bad pointer cast

generic/188 triggered a dmesg stack trace because the dio completion
was casting a buffer head to an on-disk inode, which is whacky.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 3c531f108a213c524b58f88cbbace442b596a924..3372d82d12b66b11e73fbdb03c986c4506a5c12e 100644 (file)
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -2317,7 +2317,7 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
                        mlog_errno(ret);
        }
 
-       di = (struct ocfs2_dinode *)di_bh;
+       di = (struct ocfs2_dinode *)di_bh->b_data;
 
        ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), di_bh);