rgw: return success on existing bucket

RGWRadosStore::create_bucket() only returns EEXIST errors when a
conflict is detected and the recreation should fail. in other cases,
return success and use the 'bool *existed' flag to notify the caller of
its prior existence

Signed-off-by: Casey Bodley <cbodley@redhat.com>

diff --git a/src/rgw/rgw_sal_rados.cc b/src/rgw/rgw_sal_rados.cc
index ae779ba96ff629d39cb34534e62686190a10e6f9..122d635882623844b8441c79cc777f613a0eb630 100644 (file)
--- a/src/rgw/rgw_sal_rados.cc
+++ b/src/rgw/rgw_sal_rados.cc
@@ -925,6 +925,7 @@ int RGWRadosStore::create_bucket(RGWUser& u, const rgw_bucket& b,
                                    pmaster_bucket, pmaster_num_shards, exclusive);
     if (ret == -EEXIST) {
       *existed = true;
+      ret = 0;
     } else if (ret != 0) {
       return ret;
     }