ceph/ceph — pull request #1412 by idryomov (2014-03-10 08:39:37+00:00)
Title: FileStore: support compiling without libxfs

When configured with --without-libxfs, use GenericFileStoreBackend
instead of XfsFileStoreBackend for XFS. At this point this only
impacts the allocation hint op.

Signed-off-by: Ilya Dryomov