rgw: fix bi_list to reset is_truncated flag if it skips entires

Fixes: http://tracker.ceph.com/issues/22721
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
(cherry picked from commit 670e2c557ea54276bf38e56fcc36ac2f38ce317c)

diff --git a/src/cls/rgw/cls_rgw.cc b/src/cls/rgw/cls_rgw.cc
index dc9da596854ab1015dda9e2baed5feafe54acfe7..d7deb78f8b6feb2f347050ebb59ac47b137abc54 100644 (file)
--- a/src/cls/rgw/cls_rgw.cc
+++ b/src/cls/rgw/cls_rgw.cc
@@ -2296,6 +2296,9 @@ static int list_plain_entries(cls_method_context_t hctx, const string& name, con
   for (iter = keys.begin(); iter != keys.end(); ++iter) {
     if (iter->first >= end_key) {
       /* past the end of plain namespace */
+      if (pmore) {
+       *pmore = false;
+      }
       return count;
     }
 
@@ -2317,6 +2320,10 @@ static int list_plain_entries(cls_method_context_t hctx, const string& name, con
     CLS_LOG(20, "%s(): entry.idx=%s e.key.name=%s", __func__, escape_str(entry.idx).c_str(), escape_str(e.key.name).c_str());
 
     if (!name.empty() && e.key.name != name) {
+      /* we are skipping the rest of the entries */
+      if (pmore) {
+       *pmore = false;
+      }
       return count;
     }
 
@@ -2379,6 +2386,10 @@ static int list_instance_entries(cls_method_context_t hctx, const string& name,
     entry.data = iter->second;
 
     if (!filter.empty() && entry.idx.compare(0, filter.size(), filter) != 0) {
+      /* we are skipping the rest of the entries */
+      if (pmore) {
+       *pmore = false;
+      }
       return count;
     }
 
@@ -2395,6 +2406,10 @@ static int list_instance_entries(cls_method_context_t hctx, const string& name,
     }
 
     if (!name.empty() && e.key.name != name) {
+      /* we are skipping the rest of the entries */
+      if (pmore) {
+       *pmore = false;
+      }
       return count;
     }
 
@@ -2456,6 +2471,10 @@ static int list_olh_entries(cls_method_context_t hctx, const string& name, const
     entry.data = iter->second;
 
     if (!filter.empty() && entry.idx.compare(0, filter.size(), filter) != 0) {
+      /* we are skipping the rest of the entries */
+      if (pmore) {
+       *pmore = false;
+      }
       return count;
     }
 
@@ -2472,6 +2491,10 @@ static int list_olh_entries(cls_method_context_t hctx, const string& name, const
     }
 
     if (!name.empty() && e.key.name != name) {
+      /* we are skipping the rest of the entries */
+      if (pmore) {
+       *pmore = false;
+      }
       return count;
     }
 
@@ -2502,7 +2525,7 @@ static int rgw_bi_list_op(cls_method_context_t hctx, bufferlist *in, bufferlist
   int32_t max = (op.max < MAX_BI_LIST_ENTRIES ? op.max : MAX_BI_LIST_ENTRIES);
   string start_key = op.marker;
   bool more;
-  int ret = list_plain_entries(hctx, op.name, op.marker, max, &op_ret.entries, &more); 
+  int ret = list_plain_entries(hctx, op.name, op.marker, max, &op_ret.entries, &more);
   if (ret < 0) {
     CLS_LOG(0, "ERROR: %s(): list_plain_entries retured ret=%d", __func__, ret);
     return ret;