3e404b8c53
Leaving zeroing to the clients leads to error-prone pointer tricks (zeroing needs to preserve the CCB header), and this code is not performance-critical, so there's really no reason to not do it. Reviewed By: imp, rpokala (manpages) Sponsored by: NetApp, Inc. Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D27333