LU-8727 mgs: remove skip records from config file

[fs/lustre-release.git] / lustre / utils / obd.c

diff --git a/lustre/utils/obd.c b/lustre/utils/obd.c
index 0bfdd11..2dcd7e4 100644 (file)
--- a/lustre/utils/obd.c
+++ b/lustre/utils/obd.c
@@ -2343,8 +2343,8 @@ static int do_activate(int argc, char **argv, int flag)
  * are skipped and recorded with new nids and uuid.
  *
  * \see mgs_replace_nids
- * \see mgs_replace_nids_log
- * \see mgs_replace_handler
+ * \see mgs_replace_log
+ * \see mgs_replace_nids_handler
  */
 int jt_replace_nids(int argc, char **argv)
 {
@@ -2379,6 +2379,52 @@ int jt_replace_nids(int argc, char **argv)
        return rc;
 }
 
+/**
+ * Clear config logs for given device or filesystem.
+ * lctl clear_conf <devicename|fsname>
+ * Command has to be run on MGS node having MGS device mounted with -o
+ * nosvc.
+ *
+ * Configuration logs for filesystem or one particular log is
+ * processed. New log is created, original log is read, its records
+ * marked SKIP do not get copied to new log. Others are copied as-is.
+ * Original file is renamed to log.${time}.bak.
+ *
+ * \see mgs_clear_configs
+ * \see mgs_replace_log
+ * \see mgs_clear_config_handler
+ **/
+int jt_lcfg_clear(int argc, char **argv)
+{
+       int rc;
+       char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+       struct obd_ioctl_data data;
+
+       memset(&data, 0, sizeof(data));
+       data.ioc_dev = get_mgs_device();
+       if (argc != 2)
+               return CMD_HELP;
+
+       data.ioc_inllen1 = strlen(argv[1]) + 1;
+       data.ioc_inlbuf1 = argv[1];
+
+       memset(buf, 0, sizeof(rawbuf));
+       rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
+       if (rc) {
+               fprintf(stderr, "error: %s: invalid ioctl\n",
+                       jt_cmdname(argv[0]));
+               return rc;
+       }
+
+       rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLEAR_CONFIGS, buf);
+       if (rc < 0) {
+               fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
+                       strerror(rc = errno));
+       }
+
+       return rc;
+}
+
 int jt_obd_deactivate(int argc, char **argv)
 {
         return do_activate(argc, argv, 0);