libceph: gracefully handle large reply messages from the mon
authorSage Weil <sage@redhat.com>
Mon, 4 Aug 2014 14:01:54 +0000 (07:01 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Sep 2014 16:04:02 +0000 (09:04 -0700)
commit12477ec830cb1bd188f23b80f6a0d976dd19090e
treefdec798350be6ced3f148cf40d652717cfb20cad
parent842a5780d61743550cf319f1bb4aee6778088b1c
libceph: gracefully handle large reply messages from the mon

commit 73c3d4812b4c755efeca0140f606f83772a39ce4 upstream.

We preallocate a few of the message types we get back from the mon.  If we
get a larger message than we are expecting, fall back to trying to allocate
a new one instead of blindly using the one we have.

Signed-off-by: Sage Weil <sage@redhat.com>
Reviewed-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ceph/mon_client.c