ceph: make object hash a pg_pool property

The object will be hashed to a placement seed (ps) based on the pg_pool's
hash function.  This allows new hashes to be introduced into an existing
object store, or selection of a hash appropriate to the objects that
will be stored in a particular pool.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ceph/README b/fs/ceph/README
index 660e00074d59..18352fab37c0 100644
--- a/fs/ceph/README
+++ b/fs/ceph/README
@@ -10,6 +10,8 @@ src/include/rados.h	    fs/ceph/rados.h
 src/include/ceph_strings.cc fs/ceph/ceph_strings.c
 src/include/ceph_frag.h     fs/ceph/ceph_frag.h
 src/include/ceph_frag.cc    fs/ceph/ceph_frag.c
+src/include/ceph_hash.h     fs/ceph/ceph_hash.h
+src/include/ceph_hash.cc    fs/ceph/ceph_hash.c
 src/crush/crush.c           fs/ceph/crush/crush.c
 src/crush/crush.h           fs/ceph/crush/crush.h
 src/crush/mapper.c          fs/ceph/crush/mapper.c