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| author | Sage Weil <sage@newdream.net> | 2009-11-06 21:55:25 -0800 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2009-11-06 21:55:25 -0800 |
| commit | 1654dd0cf5ee1827322aca156af7d96d757201c7 (patch) | |
| tree | ba71b1a1e214b929937f02a1794b3d32b8ff1342 /fs/ceph/rados.h | |
| parent | cfbbcd24a6bfd794295ee7ad76dfbff40ad6b934 (diff) | |
| download | kernel_samsung_tuna-1654dd0cf5ee1827322aca156af7d96d757201c7.zip kernel_samsung_tuna-1654dd0cf5ee1827322aca156af7d96d757201c7.tar.gz kernel_samsung_tuna-1654dd0cf5ee1827322aca156af7d96d757201c7.tar.bz2 | |
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>
Diffstat (limited to 'fs/ceph/rados.h')
| -rw-r--r-- | fs/ceph/rados.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ceph/rados.h b/fs/ceph/rados.h index 85bdef7..fb23ff9 100644 --- a/fs/ceph/rados.h +++ b/fs/ceph/rados.h @@ -84,6 +84,7 @@ struct ceph_pg_pool { __u8 type; /* CEPH_PG_TYPE_* */ __u8 size; /* number of osds in each pg */ __u8 crush_ruleset; /* crush placement rule */ + __u8 object_hash; /* hash mapping object name to ps */ __le32 pg_num, pgp_num; /* number of pg's */ __le32 lpg_num, lpgp_num; /* number of localized pg's */ __le32 last_change; /* most recent epoch changed */ |