On Wed, Mar 07, 2012 at 08:11:35PM +0530, santosh nayak wrote: > - bio->bi_flags |= BIO_MAPPED_INTEGRITY; > + set_bit(BIO_MAPPED_INTEGRITY, &bio->bi_flags); This uses an atomic operation; you should rather use __set_bit instead. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html