On 02/12/2012 11:32 PM, Marc MERLIN wrote:
Actually I had one more question. I read this page: http://www.redhat.com/archives/dm-devel/2011-July/msg00042.html I'm not super clear if with 3.2.5 kernel, I need to pass the special allow_discards option for brtfs and dm-crypt to be safe together, or whether they now talk through an API and everything "just works" :)
If you want discards to be supported in dmcrypt, you have to enable it manually. The most comfortable way is just use recent cryptsetup and add --allow-discards option to luksOpen command. It will be never enabled by default in dmcrypt for security reasons http://asalor.blogspot.com/2011/08/trim-dm-crypt-problems.html Milan -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
