DAOS-qqqq dfs: Add DFS readdir + filter API
Bug-tracker data: Errors are Ticket number suffix is not a number. See https://daosio.atlassian.net/wiki/spaces/DC/pages/11133911069/Commit+Comments,Unable to load ticket data https://daosio.atlassian.net/browse/DAOS-qqqq
Test stage checkpatch completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/1/execution/node/145/log
Test stage checkpatch completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/2/execution/node/146/log
Test stage checkpatch completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/3/execution/node/145/log
Test stage Functional Hardware Small completed with status UNSTABLE. https://build.hpdd.intel.com/job/daos-stack/job/daos//view/change-requests/job/PR-10269/3/testReport/(root)/
Test stage checkpatch completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/4/execution/node/119/log
Test stage Build on EL 8 completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/4/execution/node/372/log
Test stage Build on Leap 15 with Intel-C and TARGET_PREFIX completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/4/execution/node/368/log
Test stage Build RPM on EL 8 completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/4/execution/node/339/log
Test stage Build DEB on Ubuntu 20.04 completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/4/execution/node/342/log
Test stage Build RPM on Leap 15 completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-10269/4/execution/node/336/log