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LU-11546 tests: enable large_dir support for tests
[fs/lustre-release.git] / lustre / mgs / mgs_fs.c
index 00de194..fd49546 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -65,6 +61,7 @@ int mgs_export_stats_init(struct obd_device *obd, struct obd_export *exp,
        lnet_nid_t *client_nid = localdata;
        struct nid_stat *stats;
        int rc;
+
        ENTRY;
 
        rc = lprocfs_exp_setup(exp, client_nid);
@@ -73,13 +70,11 @@ int mgs_export_stats_init(struct obd_device *obd, struct obd_export *exp,
                RETURN(rc == -EALREADY ? 0 : rc);
 
        stats = exp->exp_nid_stats;
-       stats->nid_stats = lprocfs_alloc_stats(NUM_OBD_STATS + LPROC_MGS_LAST,
-                                               LPROCFS_STATS_FLAG_NOPERCPU);
+       stats->nid_stats = lprocfs_alloc_stats(LPROC_MGS_LAST,
+                                              LPROCFS_STATS_FLAG_NOPERCPU);
        if (stats->nid_stats == NULL)
                RETURN(-ENOMEM);
 
-       lprocfs_init_ops_stats(LPROC_MGS_LAST, stats->nid_stats);
-
        mgs_stats_counter_init(stats->nid_stats);
 
        rc = lprocfs_register_stats(stats->nid_proc, "stats", stats->nid_stats);
@@ -102,26 +97,26 @@ out:
  * crash all connections are treated as new connections.
  */
 int mgs_client_add(struct obd_device *obd, struct obd_export *exp,
-                         void *localdata)
+                  void *localdata)
 {
-        return 0;
+       return 0;
 }
 
 /* Remove client export data from the MGS */
 int mgs_client_free(struct obd_export *exp)
 {
-        return 0;
+       return 0;
 }
 
 int mgs_fs_setup(const struct lu_env *env, struct mgs_device *mgs)
 {
-       struct lu_fid            fid;
-       struct dt_object        *o;
-       struct lu_fid            rfid;
-       struct dt_object        *root;
-       struct dt_object        *nm_config_file_obj;
-       struct nm_config_file   *nm_config_file;
-       int                      rc;
+       struct lu_fid fid;
+       struct dt_object *o;
+       struct lu_fid rfid;
+       struct dt_object *root;
+       struct dt_object *nm_config_file_obj;
+       struct nm_config_file *nm_config_file;
+       int rc;
 
        ENTRY;
 
@@ -152,12 +147,12 @@ int mgs_fs_setup(const struct lu_env *env, struct mgs_device *mgs)
 
        o = local_file_find_or_create(env, mgs->mgs_los, root,
                                      MOUNT_CONFIGS_DIR,
-                                     S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO);
+                                     S_IFDIR | 0755);
        if (IS_ERR(o))
                GOTO(out_root, rc = PTR_ERR(o));
 
        if (!dt_try_as_dir(env, o)) {
-               lu_object_put(env, &o->do_lu);
+               dt_object_put(env, o);
                GOTO(out_root, rc = -ENOTDIR);
        }
 
@@ -167,8 +162,7 @@ int mgs_fs_setup(const struct lu_env *env, struct mgs_device *mgs)
        nm_config_file_obj = local_index_find_or_create(env, mgs->mgs_los,
                                                        mgs->mgs_configs_dir,
                                                        LUSTRE_NODEMAP_NAME,
-                                                       S_IFREG | S_IRUGO |
-                                                                 S_IWUSR,
+                                                       S_IFREG | 0644,
                                                        &dt_nodemap_features);
        if (IS_ERR(nm_config_file_obj))
                GOTO(out_configs, rc = PTR_ERR(nm_config_file_obj));
@@ -178,13 +172,13 @@ int mgs_fs_setup(const struct lu_env *env, struct mgs_device *mgs)
                                                        nm_config_file_obj,
                                                        &dt_nodemap_features);
                if (rc < 0) {
-                       lu_object_put(env, &nm_config_file_obj->do_lu);
+                       dt_object_put(env, nm_config_file_obj);
                        GOTO(out_configs, rc);
                }
        }
        nm_config_file = nm_config_file_register_mgs(env, nm_config_file_obj,
                                                     mgs->mgs_los);
-       lu_object_put(env, &nm_config_file_obj->do_lu);
+       dt_object_put(env, nm_config_file_obj);
        if (IS_ERR(nm_config_file)) {
                CERROR("%s: error loading nodemap config file, file must be "
                       "removed via ldiskfs: rc = %ld\n",
@@ -195,7 +189,7 @@ int mgs_fs_setup(const struct lu_env *env, struct mgs_device *mgs)
 
        /* create directory to store nid table versions */
        o = local_file_find_or_create(env, mgs->mgs_los, root, MGS_NIDTBL_DIR,
-                                     S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO);
+                                     S_IFDIR | 0755);
        if (IS_ERR(o))
                GOTO(out_nm, rc = PTR_ERR(o));
 
@@ -208,11 +202,11 @@ out_nm:
        }
 out_configs:
        if (rc < 0) {
-               lu_object_put(env, &mgs->mgs_configs_dir->do_lu);
+               dt_object_put(env, mgs->mgs_configs_dir);
                mgs->mgs_configs_dir = NULL;
        }
 out_root:
-       lu_object_put(env, &root->do_lu);
+       dt_object_put(env, root);
 out_los:
        if (rc) {
                local_oid_storage_fini(env, mgs->mgs_los);
@@ -226,17 +220,40 @@ out:
 
 int mgs_fs_cleanup(const struct lu_env *env, struct mgs_device *mgs)
 {
+       struct lustre_cfg_bufs bufs;
+       struct lustre_cfg *lcfg;
+
+       /*
+        * For the MGS on independent device from MDT, it notifies the lower
+        * layer OSD to backup index before the umount via LCFG_PRE_CLEANUP.
+        */
+       lustre_cfg_bufs_reset(&bufs, mgs->mgs_obd->obd_name);
+       lustre_cfg_bufs_set_string(&bufs, 1, NULL);
+       OBD_ALLOC(lcfg, lustre_cfg_len(bufs.lcfg_bufcount, bufs.lcfg_buflen));
+       if (!lcfg) {
+               CERROR("%s: failed to trigger LCFG_PRE_CLEANUP\n",
+                      mgs->mgs_obd->obd_name);
+       } else {
+               struct lu_device *l = &mgs->mgs_bottom->dd_lu_dev;
+
+               lustre_cfg_init(lcfg, LCFG_PRE_CLEANUP, &bufs);
+               l->ld_ops->ldo_process_config(env, l, lcfg);
+               OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount,
+                                             lcfg->lcfg_buflens));
+       }
+
        if (mgs->mgs_configs_dir) {
-               lu_object_put(env, &mgs->mgs_configs_dir->do_lu);
+               dt_object_put(env, mgs->mgs_configs_dir);
                mgs->mgs_configs_dir = NULL;
        }
        if (mgs->mgs_nidtbl_dir) {
-               lu_object_put(env, &mgs->mgs_nidtbl_dir->do_lu);
+               dt_object_put(env, mgs->mgs_nidtbl_dir);
                mgs->mgs_nidtbl_dir = NULL;
        }
        if (mgs->mgs_obd->u.obt.obt_nodemap_config_file != NULL) {
-               struct nm_config_file *ncf = mgs->mgs_obd->u.obt.obt_nodemap_config_file;
+               struct nm_config_file *ncf;
 
+               ncf = mgs->mgs_obd->u.obt.obt_nodemap_config_file;
                nm_config_file_deregister_mgs(env, ncf);
                mgs->mgs_obd->u.obt.obt_nodemap_config_file = NULL;
        }