LU-14956 fld: repeat failed FLDB lookup

[fs/lustre-release.git] / lustre / fld / fld_handler.c

diff --git a/lustre/fld/fld_handler.c b/lustre/fld/fld_handler.c
index c5fe552..0fbd690 100644 (file)
--- a/lustre/fld/fld_handler.c
+++ b/lustre/fld/fld_handler.c
@@ -263,6 +263,8 @@ int fld_server_lookup(const struct lu_env *env, struct lu_server_fld *fld,
                       fld->lsf_name, seq, -ENOENT);
                RETURN(-ENOENT);
        } else {
+               int i;
+
                if (!fld->lsf_control_exp) {
                        CERROR("%s: lookup %#llx, but not connects to MDT0 yet: rc = %d.\n",
                               fld->lsf_name, seq, -EIO);
@@ -274,8 +276,13 @@ int fld_server_lookup(const struct lu_env *env, struct lu_server_fld *fld,
                 * replication on all mdt servers.
                 */
                range->lsr_start = seq;
-               rc = fld_client_rpc(fld->lsf_control_exp,
-                                   range, FLD_QUERY, NULL);
+               for (i = 0; i < 5; i++) {
+                       rc = fld_client_rpc(fld->lsf_control_exp,
+                                           range, FLD_QUERY, NULL);
+                       if (rc != -EAGAIN)
+                               break;
+                       schedule_timeout_interruptible(cfs_time_seconds(1));
+               }
                if (rc == 0)
                        fld_cache_insert(fld->lsf_cache, range);
        }