filemap_fdatawait/filemap_write_and_wait may fail, so check the return
value and jump to error_out in the case of error.
Signed-off-by: Quorum Laval <quorum.laval@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
         * cached in meta-data cache, and not written out
         * by txCommit();
         */
-       filemap_fdatawait(ipbmap->i_mapping);
-       filemap_write_and_wait(ipbmap->i_mapping);
+       rc = filemap_fdatawait(ipbmap->i_mapping);
+       if (rc)
+               goto error_out;
+
+       rc = filemap_write_and_wait(ipbmap->i_mapping);
+       if (rc)
+               goto error_out;
+
        diWriteSpecial(ipbmap, 0);
 
        newPage = nPages;       /* first new page number */