ea_write
error = ea_write(ip, GFS2_EA_BH2FIRST(newbh), er);
error = ea_write(ip, GFS2_EA_BH2FIRST(bh), er);
ea_write(ip, ea, er);
error = ea_write(ip, ea, er);
rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);
rc = ea_write(inode, ea_buf->xattr, new_size, &ea_buf->new_ea);