tree cb8d56d2a5e64990d2177c17dec527c41c24a000
parent 859bff51dc5e92ddfb5eb6f17b8040d9311095bb
author Ilya Dryomov <idryomov@gmail.com> 1446072726 +0100
committer Ilya Dryomov <idryomov@gmail.com> 1446503866 +0100

libceph: add nocephx_sign_messages option

Support for message signing was merged into 3.19, along with
nocephx_require_signatures option.  But, all that option does is allow
the kernel client to talk to clusters that don't support MSG_AUTH
feature bit.  That's pretty useless, given that it's been supported
since bobtail.

Meanwhile, if one disables message signing on the server side with
"cephx sign messages = false", it becomes impossible to use the kernel
client since it expects messages to be signed if MSG_AUTH was
negotiated.  Add nocephx_sign_messages option to support this use case.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>