EX-6269 osc: handle different compression types

EX-6269 osc: handle different compression types

Allow the client to handle different compression types in a single
component.  This shouldn't happen normally, but it may happen in
the future if there is dynamic compression algorithm selection for
"fast" or "best" types (e.g. compress based on available CPU and
network bandwidth or RPC backlog).

Change-Id: Ide2731c60a68584e7cbb474bee88a17e9a7b8fec
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/53602
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Artem Blagodarenko <ablagodarenko@ddn.com>
Reviewed-by: Patrick Farrell <pfarrell@whamcloud.com>