Merge PR #59414 into main

* refs/pull/59414/head:
	mds: move fscrypt_last_block to vector in mds_co mempool
	mds: move fscrypt_file inode_t metadata to mds_co mempool
	mds: move fscrypt_auth inode_t metadata to mds_co mempool
	include/buffer: add helpers for uint8_t vectors

Reviewed-by: Christopher Hoffman <choffman@redhat.com>
Reviewed-by: Rishabh Dave <ridave@redhat.com>

diff --cc src/mds/MDCache.cc
Simple merge

diff --cc src/mds/Server.cc
Simple merge