libceph: define ceph_msg_has_*() data macros
authorAlex Elder <elder@inktank.com>
Sat, 2 Mar 2013 00:00:16 +0000 (18:00 -0600)
committerSage Weil <sage@inktank.com>
Thu, 2 May 2013 04:16:53 +0000 (21:16 -0700)
Define and use macros ceph_msg_has_*() to determine whether to
operate on the pages, pagelist, bio, and trail fields of a message.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

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