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b=17471 change conf_param syntax to match set_param
[fs/lustre-release.git] / lustre / mgs / mgs_llog.c
index f84f3fc..a27969a 100644 (file)
@@ -183,9 +183,10 @@ static int mgs_fsdb_handler(struct llog_handle *llh, struct llog_rec_hdr *rec,
         /* attach   0:MDC_uml1_mdsA_MNT_client  1:mdc  2:1d834_MNT_client_03f */
         if ((lcfg->lcfg_command == LCFG_ATTACH) &&
             (strcmp(lustre_cfg_string(lcfg, 1), LUSTRE_MDC_NAME) == 0)) {
-                rc = server_name2index(lustre_cfg_string(lcfg, 0),
+                int type;
+                rc = libcfs_str2server(lustre_cfg_string(lcfg, 0), &type,
                                        &index, NULL);
-                if (rc != LDD_F_SV_TYPE_MDT) {
+                if (rc || type != SVTYPE_MDT) {
                         CWARN("Unparsable MDC name %s, assuming index 0\n",
                               lustre_cfg_string(lcfg, 0));
                         index = 0;
@@ -506,9 +507,9 @@ int mgs_check_index(struct obd_device *obd, struct mgs_target_info *mti)
         if (cfs_test_bit(FSDB_LOG_EMPTY, &fsdb->fsdb_flags))
                 RETURN(-1);
 
-        if (mti->mti_flags & LDD_F_SV_TYPE_OST)
+        if (mti->mti_flags & SVTYPE_OST)
                 imap = fsdb->fsdb_ost_index_map;
-        else if (mti->mti_flags & LDD_F_SV_TYPE_MDT)
+        else if (mti->mti_flags & SVTYPE_MDT)
                 imap = fsdb->fsdb_mdt_index_map;
         else
                 RETURN(-EINVAL);
@@ -546,9 +547,9 @@ static int mgs_set_index(struct obd_device *obd, struct mgs_target_info *mti)
                 RETURN(rc);
         }
 
-        if (mti->mti_flags & LDD_F_SV_TYPE_OST) {
+        if (mti->mti_flags & SVTYPE_OST) {
                 imap = fsdb->fsdb_ost_index_map;
-        } else if (mti->mti_flags & LDD_F_SV_TYPE_MDT) {
+        } else if (mti->mti_flags & SVTYPE_MDT) {
                 imap = fsdb->fsdb_mdt_index_map;
                 if (fsdb->fsdb_mdt_count >= MAX_MDT_COUNT) {
                         LCONSOLE_ERROR_MSG(0x13f, "The max mdt count"
@@ -564,7 +565,7 @@ static int mgs_set_index(struct obd_device *obd, struct mgs_target_info *mti)
                 if (rc == -1)
                         RETURN(-ERANGE);
                 mti->mti_stripe_index = rc;
-                if (mti->mti_flags & LDD_F_SV_TYPE_MDT)
+                if (mti->mti_flags & SVTYPE_MDT)
                         fsdb->fsdb_mdt_count ++;
         }
 
@@ -1518,12 +1519,17 @@ out:
         RETURN(rc);
 }
 
-static inline void name_create_mdt(char **logname, char *fsname, int i)
+static inline void name_create_sv(char **buf, char *fsname, char *type, int i)
 {
-        char mdt_index[9];
+        char sv_index[9];
 
-        sprintf(mdt_index, "-MDT%04x", i);
-        name_create(logname, fsname, mdt_index);
+        sprintf(sv_index, "-%s%04x", type, i);
+        name_create(buf, fsname, sv_index);
+}
+
+static inline void name_create_mdt(char **buf, char *fsname, int i)
+{
+        name_create_sv(buf, fsname, "MDT", i);
 }
 
 static void name_create_mdt_and_lov(char **logname, char **lovname,
@@ -1888,9 +1894,9 @@ static int mgs_write_log_add_failnid(struct obd_device *obd, struct fs_db *fsdb,
         }
 
         /* Create mdc/osc client name (e.g. lustre-OST0001-osc) */
-        if (mti->mti_flags & LDD_F_SV_TYPE_MDT) {
+        if (mti->mti_flags & SVTYPE_MDT) {
                 name_create(&cliname, mti->mti_svname, "-mdc");
-        } else if (mti->mti_flags & LDD_F_SV_TYPE_OST) {
+        } else if (mti->mti_flags & SVTYPE_OST) {
                 name_create(&cliname, mti->mti_svname, "-osc");
         } else {
                 RETURN(-EINVAL);
@@ -1902,7 +1908,7 @@ static int mgs_write_log_add_failnid(struct obd_device *obd, struct fs_db *fsdb,
         name_destroy(&logname);
         name_destroy(&cliname);
 
-        if (mti->mti_flags & LDD_F_SV_TYPE_OST) {
+        if (mti->mti_flags & SVTYPE_OST) {
                 /* Add OST failover nids to the MDT logs as well */
                 int i;
 
@@ -1921,6 +1927,13 @@ static int mgs_write_log_add_failnid(struct obd_device *obd, struct fs_db *fsdb,
         RETURN(rc);
 }
 
+/** write_log_param helper to add or modify a parameter change lcfg record
+ * in a config log.
+ * @logname log to add lcfg to (e.g. client, mdt, ost)
+ * @bufs empty bufs for temp usage
+ * @tgtname target obd device this param is meant to affect
+ * @ptr ptr to param=val
+ */
 static int mgs_wlp_lcfg(struct obd_device *obd, struct fs_db *fsdb,
                         struct mgs_target_info *mti,
                         char *logname, struct lustre_cfg_bufs *bufs,
@@ -2354,10 +2367,59 @@ out:
         RETURN(rc);
 }
 
+/** write_log_params helper for server logs (MDT or OST)
+ * Figures out which server logs to modify, adds lcfg to each one.
+ * Understands "match all" wildcard (lustre-OST*)
+ * @param svtype MDT or OST
+ * @param bufs empty lcfg bufs to use
+ * @param ptr pointer to param=val string
+ */
+static int mgs_wlp_server(struct obd_device *obd, struct fs_db *fsdb,
+                          struct mgs_target_info *mti, int svtype,
+                          struct lustre_cfg_bufs *bufs,
+                          char *ptr)
+{
+        int rc = 0, type, i;
+        __u32 idx;
+
+        if (strncmp(mti->mti_svname, mti->mti_fsname, MTI_NAME_MAXLEN) == 0)
+                /* device is unspecified completely? */
+                type = svtype | SVTYPE_ALL;
+        else
+                rc = libcfs_str2server(mti->mti_svname, &type, &idx, NULL);
+        if (rc < 0)
+                return rc;
+
+        if (type & SVTYPE_ALL) {
+                char *logname;
+
+                for (i = 0; i < INDEX_MAP_SIZE * 8; i++) {
+                        if (!cfs_test_bit(i, type & SVTYPE_MDT ?
+                                          fsdb->fsdb_mdt_index_map :
+                                          fsdb->fsdb_ost_index_map))
+                                continue;
+                        name_create_sv(&logname, mti->mti_fsname,
+                                       type & SVTYPE_MDT ? "MDT" : "OST", i);
+                        rc = mgs_wlp_lcfg(obd, fsdb, mti,
+                                          logname, bufs,
+                                          logname, ptr);
+                        name_destroy(&logname);
+                }
+        } else {
+                if (mgs_log_is_empty(obd, mti->mti_svname))
+                        return -ENODEV;
+                rc = mgs_wlp_lcfg(obd, fsdb, mti,
+                                  mti->mti_svname, bufs,
+                                  mti->mti_svname, ptr);
+        }
+        return rc;
+}
+
 /* Permanent settings of all parameters by writing into the appropriate
  * configuration logs.
  * A parameter with null value ("<param>='\0'") means to erase it out of
  * the logs.
+ * @param ptr pointer to param=value string
  */
 static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                                struct mgs_target_info *mti, char *ptr)
@@ -2395,7 +2457,7 @@ static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                 GOTO(end, rc);
         }
 
-        if (class_match_param(ptr, PARAM_FAILNODE, NULL) == 0) {
+        if (class_find_param(ptr, PARAM_FAILNODE, NULL) == 0) {
                 /* Add a failover nidlist */
                 rc = 0;
                 /* We already processed failovers params for new
@@ -2417,7 +2479,7 @@ static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                 int flag = (*tmp == '0') ? CM_EXCLUDE : 0;
                 int i;
 
-                if (!(mti->mti_flags & LDD_F_SV_TYPE_OST)) {
+                if (!(mti->mti_flags & SVTYPE_OST)) {
                         LCONSOLE_ERROR_MSG(0x144, "%s: Only OSCs can "
                                            "be (de)activated.\n",
                                            mti->mti_svname);
@@ -2446,7 +2508,7 @@ static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                 }
         active_err:
                 if (rc) {
-                        LCONSOLE_ERROR_MSG(0x145, "Couldn't find %s in"
+                        LCONSOLE_ERROR_MSG(0x145, "Couldn't find %s in "
                                            "log (%d). No permanent "
                                            "changes were made to the "
                                            "config log.\n",
@@ -2470,7 +2532,7 @@ static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                 char *mdtlovname;
 
                 CDEBUG(D_MGS, "lov param %s\n", ptr);
-                if (!(mti->mti_flags & LDD_F_SV_TYPE_MDT)) {
+                if (!(mti->mti_flags & SVTYPE_MDT)) {
                         LCONSOLE_ERROR_MSG(0x147, "LOV params must be "
                                            "set on the MDT, not %s. "
                                            "Ignoring.\n",
@@ -2508,14 +2570,14 @@ static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                         name_create(&cname, mti->mti_fsname, "-client");
                         /* Add the client type to match the obdname in
                            class_config_llog_handler */
-                } else if (mti->mti_flags & LDD_F_SV_TYPE_MDT) {
+                } else if (mti->mti_flags & SVTYPE_MDT) {
                         /* COMPAT_146 */
                         if (fsdb->fsdb_mdc)
                                 name_create(&cname, fsdb->fsdb_mdc, "");
                         else
                                 name_create(&cname, mti->mti_svname,
                                             "-mdc");
-                } else if (mti->mti_flags & LDD_F_SV_TYPE_OST) {
+                } else if (mti->mti_flags & SVTYPE_OST) {
                         /* COMPAT_146 */
                         if (cfs_test_bit(FSDB_OLDLOG14, &fsdb->fsdb_flags)) {
                                 LCONSOLE_ERROR_MSG(0x148, "Upgraded "
@@ -2543,7 +2605,7 @@ static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                                   cname, ptr);
 
                 /* osc params affect the MDT as well */
-                if (!rc && (mti->mti_flags & LDD_F_SV_TYPE_OST)) {
+                if (!rc && (mti->mti_flags & SVTYPE_OST)) {
                         int i;
 
                         for (i = 0; i < INDEX_MAP_SIZE * 8; i++){
@@ -2566,54 +2628,20 @@ static int mgs_write_log_param(struct obd_device *obd, struct fs_db *fsdb,
                 GOTO(end, rc);
         }
 
-        /* All mdt. params in proc */
-        if (class_match_param(ptr, PARAM_MDT, NULL) == 0) {
-                int i;
-                __u32 idx;
-
+        /* All mdt., mdd. params in proc */
+        if ((class_match_param(ptr, PARAM_MDT, NULL) == 0) ||
+            (class_match_param(ptr, PARAM_MDD, NULL) == 0)) {
                 CDEBUG(D_MGS, "%.3s param %s\n", ptr, ptr + 4);
-                if (strncmp(mti->mti_svname, mti->mti_fsname,
-                            MTI_NAME_MAXLEN) == 0)
-                        /* device is unspecified completely? */
-                        rc = LDD_F_SV_TYPE_MDT | LDD_F_SV_ALL;
-                else
-                        rc = server_name2index(mti->mti_svname, &idx, NULL);
-                if (rc < 0)
-                        goto active_err;
-                if ((rc & LDD_F_SV_TYPE_MDT) == 0)
-                        goto active_err;
-                if (rc & LDD_F_SV_ALL) {
-                        for (i = 0; i < INDEX_MAP_SIZE * 8; i++) {
-                                if (!cfs_test_bit(i,
-                                                  fsdb->fsdb_mdt_index_map))
-                                        continue;
-                                name_create_mdt(&logname, mti->mti_fsname, i);
-                                rc = mgs_wlp_lcfg(obd, fsdb, mti,
-                                                  logname, &bufs,
-                                                  logname, ptr);
-                                name_destroy(&logname);
-                                if (rc)
-                                        goto active_err;
-                        }
-                } else {
-                        rc = mgs_wlp_lcfg(obd, fsdb, mti,
-                                          mti->mti_svname, &bufs,
-                                          mti->mti_svname, ptr);
-                        if (rc)
-                                goto active_err;
-                }
+                rc = mgs_wlp_server(obd, fsdb, mti, SVTYPE_MDT,
+                                    &bufs, ptr);
                 GOTO(end, rc);
         }
 
-        /* All mdd., ost. params in proc */
-        if ((class_match_param(ptr, PARAM_MDD, NULL) == 0) ||
-            (class_match_param(ptr, PARAM_OST, NULL) == 0)) {
+        /* All ost. params in proc */
+        if (class_match_param(ptr, PARAM_OST, NULL) == 0) {
                 CDEBUG(D_MGS, "%.3s param %s\n", ptr, ptr + 4);
-                if (mgs_log_is_empty(obd, mti->mti_svname))
-                        GOTO(end, rc = -ENODEV);
-
-                rc = mgs_wlp_lcfg(obd, fsdb, mti, mti->mti_svname,
-                                  &bufs, mti->mti_svname, ptr);
+                rc = mgs_wlp_server(obd, fsdb, mti, SVTYPE_OST,
+                                    &bufs, ptr);
                 GOTO(end, rc);
         }
 
@@ -2710,9 +2738,9 @@ int mgs_write_log_target(struct obd_device *obd,
         if (mti->mti_flags &
             (LDD_F_VIRGIN | LDD_F_UPGRADE14 | LDD_F_WRITECONF)) {
                 /* Generate a log from scratch */
-                if (mti->mti_flags & LDD_F_SV_TYPE_MDT) {
+                if (mti->mti_flags & SVTYPE_MDT) {
                         rc = mgs_write_log_mdt(obd, fsdb, mti);
-                } else if (mti->mti_flags & LDD_F_SV_TYPE_OST) {
+                } else if (mti->mti_flags & SVTYPE_OST) {
                         rc = mgs_write_log_ost(obd, fsdb, mti);
                 } else {
                         CERROR("Unknown target type %#x, can't create log for "
@@ -2794,7 +2822,7 @@ int mgs_upgrade_sv_14(struct obd_device *obd, struct mgs_target_info *mti,
                 CDEBUG(D_MGS, "found old, unupdated client log\n");
         }
 
-        if (mti->mti_flags & LDD_F_SV_TYPE_MDT) {
+        if (mti->mti_flags & SVTYPE_MDT) {
                 if (mgs_log_is_empty(obd, mti->mti_svname)) {
                         LCONSOLE_ERROR_MSG(0x14b, "The old MDT log %s is "
                                            "missing. Was tunefs.lustre "
@@ -2929,45 +2957,39 @@ int mgs_setparam(struct obd_device *obd, struct lustre_cfg *lcfg, char *fsname)
         struct fs_db *fsdb;
         struct mgs_target_info *mti;
         char *devname, *param;
-        char *ptr, *tmp;
-        __u32 index;
-        int rc = 0;
+        char *ptr;
+        __u32 index = 0;
+        int rc = 0, type = 0;
         ENTRY;
 
         print_lustre_cfg(lcfg);
 
-        /* lustre, lustre-mdtlov, lustre-client, lustre-MDT0000 */
-        devname = lustre_cfg_string(lcfg, 0);
         param = lustre_cfg_string(lcfg, 1);
-        if (!devname) {
-                /* Assume device name embedded in param:
-                   lustre-OST0000.osc.max_dirty_mb=32 */
-                ptr = strchr(param, '.');
-                if (ptr) {
-                        devname = param;
-                        *ptr = 0;
-                        param = ptr + 1;
-                }
-        }
-        if (!devname) {
+        /* format is lustre-OST0000.osc.max_dirty_mb=32 */
+        ptr = strchr(param, '.');
+        if (!ptr) {
                 LCONSOLE_ERROR_MSG(0x14d, "No target specified: %s\n", param);
-                RETURN(-ENOSYS);
+                RETURN(-ENOENT);
         }
+        devname = param;
+        *ptr = '\0';
+        param = ptr + 1;
+        CDEBUG(D_MGS, "device='%s' param='%s'\n", devname, param);
 
         /* Extract fsname */
-        ptr = strrchr(devname, '-');
         memset(fsname, 0, MTI_NAME_MAXLEN);
-        if (ptr && (server_name2index(ptr, &index, NULL) >= 0)) {
+        /* Check to see if we're a particular device */
+        if (libcfs_str2server(devname, &type, &index, &ptr) == 0) {
                 /* param related to llite isn't allowed to set by OST or MDT */
                 if (strncmp(param, PARAM_LLITE, sizeof(PARAM_LLITE)) == 0)
                         RETURN(-EINVAL);
-
+                while (*(--ptr) != '-') ; /* I know it has a - */
                 strncpy(fsname, devname, ptr - devname);
         } else {
                 /* assume devname is the fsname */
                 strncpy(fsname, devname, MTI_NAME_MAXLEN);
         }
-        fsname[MTI_NAME_MAXLEN - 1] = 0;
+        fsname[MTI_NAME_MAXLEN - 1] = '\0';
         CDEBUG(D_MGS, "setparam fs='%s' device='%s'\n", fsname, devname);
 
         rc = mgs_find_or_make_fsdb(obd, fsname, &fsdb);
@@ -2975,10 +2997,9 @@ int mgs_setparam(struct obd_device *obd, struct lustre_cfg *lcfg, char *fsname)
                 RETURN(rc);
         if (!cfs_test_bit(FSDB_MGS_SELF, &fsdb->fsdb_flags) &&
             cfs_test_bit(FSDB_LOG_EMPTY, &fsdb->fsdb_flags)) {
-                CERROR("No filesystem targets for %s.  cfg_device from lctl "
-                       "is '%s'\n", fsname, devname);
+                LCONSOLE_ERROR("setparam: Unknown filesystem '%s'.\n", fsname);
                 mgs_free_fsdb(obd, fsdb);
-                RETURN(-EINVAL);
+                RETURN(-ENOENT);
         }
 
         /* Create a fake mti to hold everything */
@@ -2988,17 +3009,8 @@ int mgs_setparam(struct obd_device *obd, struct lustre_cfg *lcfg, char *fsname)
         strncpy(mti->mti_fsname, fsname, MTI_NAME_MAXLEN);
         strncpy(mti->mti_svname, devname, MTI_NAME_MAXLEN);
         strncpy(mti->mti_params, param, sizeof(mti->mti_params));
-        rc = server_name2index(mti->mti_svname, &mti->mti_stripe_index, &tmp);
-        if (rc < 0)
-                /* Not a valid server; may be only fsname */
-                rc = 0;
-        else
-                /* Strip -osc or -mdc suffix from svname */
-                if (server_make_name(rc, mti->mti_stripe_index, mti->mti_fsname,
-                                     mti->mti_svname))
-                        GOTO(out, rc = -EINVAL);
-
-        mti->mti_flags = rc | LDD_F_PARAM;
+        mti->mti_stripe_index = index;
+        mti->mti_flags = type | LDD_F_PARAM;
 
         cfs_down(&fsdb->fsdb_sem);
         rc = mgs_write_log_param(obd, fsdb, mti, mti->mti_params);