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LU-13903 uapi: fixup UAPI headers for native Linux client.
[fs/lustre-release.git] / lustre / llite / file.c
index 8d0452b..75a01e4 100644 (file)
@@ -4058,9 +4058,10 @@ out:
                RETURN(rc);
        }
        case LL_IOC_HSM_ACTION: {
-               struct md_op_data               *op_data;
-               struct hsm_current_action       *hca;
-               int                              rc;
+               struct md_op_data *op_data;
+               struct hsm_current_action *hca;
+               const char *action;
+               int rc;
 
                OBD_ALLOC_PTR(hca);
                if (hca == NULL)
@@ -4075,10 +4076,26 @@ out:
 
                rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
                                   op_data, NULL);
+               if (rc < 0)
+                       GOTO(skip_copy, rc);
+
+               /* The hsm_current_action retreived from the server could
+                * contain corrupt information. If it is incorrect data collect
+                * debug information. We still send the data even if incorrect
+                * to user land to handle.
+                */
+               action = hsm_user_action2name(hca->hca_action);
+               if (strcmp(action, "UNKNOWN") == 0 ||
+                   hca->hca_state > HPS_DONE) {
+                       CDEBUG(D_HSM,
+                              "HSM current state %s action %s, offset = %llu, length %llu\n",
+                              hsm_progress_state2name(hca->hca_state), action,
+                              hca->hca_location.offset, hca->hca_location.length);
+               }
 
                if (copy_to_user((char __user *)arg, hca, sizeof(*hca)))
                        rc = -EFAULT;
-
+skip_copy:
                ll_finish_md_op_data(op_data);
                OBD_FREE_PTR(hca);
                RETURN(rc);