diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-volgen.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-volgen.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c index 797370a87c1..ae095bf7c63 100644 --- a/xlators/mgmt/glusterd/src/glusterd-volgen.c +++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c @@ -4266,128 +4266,3 @@ gd_is_boolean_option (char *key) return _gf_false; } - -/* This function will restore origin volume to it's snap. - * The restore operation will simply replace the Gluster origin - * volume with the snap volume. - * TODO: Multi-volume delete to be done. - * Cleanup in case of restore failure is pending. - * - * @param orig_vol volinfo of origin volume - * @param snap_vol volinfo of snapshot volume - * - * @return 0 on success and negative value on error - */ -int -gd_restore_snap_volume (dict_t *rsp_dict, - glusterd_volinfo_t *orig_vol, - glusterd_volinfo_t *snap_vol) -{ - int ret = -1; - glusterd_volinfo_t *new_volinfo = NULL; - glusterd_snap_t *snap = NULL; - xlator_t *this = NULL; - glusterd_conf_t *conf = NULL; - glusterd_volinfo_t *temp_volinfo = NULL; - glusterd_volinfo_t *voliter = NULL; - - this = THIS; - GF_ASSERT (this); - GF_ASSERT (rsp_dict); - conf = this->private; - GF_ASSERT (conf); - - GF_VALIDATE_OR_GOTO (this->name, orig_vol, out); - GF_VALIDATE_OR_GOTO (this->name, snap_vol, out); - snap = snap_vol->snapshot; - GF_VALIDATE_OR_GOTO (this->name, snap, out); - - /* Snap volume must be stoped before performing the - * restore operation. - */ - ret = glusterd_stop_volume (snap_vol); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Failed to stop " - "snap volume(%s)", snap_vol->volname); - goto out; - } - - /* Create a new volinfo for the restored volume */ - ret = glusterd_volinfo_dup (snap_vol, &new_volinfo, _gf_true); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Failed to create volinfo"); - goto out; - } - - /* Following entries need to be derived from origin volume. */ - strcpy (new_volinfo->volname, orig_vol->volname); - uuid_copy (new_volinfo->volume_id, orig_vol->volume_id); - new_volinfo->snap_count = orig_vol->snap_count; - new_volinfo->snap_max_hard_limit = orig_vol->snap_max_hard_limit; - new_volinfo->is_volume_restored = _gf_true; - - /* Bump the version of the restored volume, so that nodes * - * which are done can sync during handshake */ - new_volinfo->version = orig_vol->version; - - list_for_each_entry_safe (voliter, temp_volinfo, - &orig_vol->snap_volumes, snapvol_list) { - list_add_tail (&voliter->snapvol_list, - &new_volinfo->snap_volumes); - } - /* Copy the snap vol info to the new_volinfo.*/ - ret = glusterd_snap_volinfo_restore (rsp_dict, new_volinfo, snap_vol); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Failed to restore snap"); - (void)glusterd_volinfo_delete (new_volinfo); - goto out; - } - - /* If the orig_vol is already restored then we should delete - * the backend LVMs */ - if (orig_vol->is_volume_restored) { - ret = glusterd_lvm_snapshot_remove (rsp_dict, orig_vol); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Failed to remove " - "LVM backend"); - (void)glusterd_volinfo_delete (new_volinfo); - goto out; - } - } - - /* Once the new_volinfo is completely constructed then delete - * the orinal volinfo - */ - ret = glusterd_volinfo_delete (orig_vol); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Failed to delete volinfo"); - (void)glusterd_volinfo_delete (new_volinfo); - goto out; - } - /* New volinfo always shows the status as created. Therefore - * set the status to stop. */ - glusterd_set_volume_status (new_volinfo, GLUSTERD_STATUS_STOPPED); - - list_add_tail (&new_volinfo->vol_list, &conf->volumes); - - /* Now delete the snap entry. As a first step delete the snap - * volume information stored in store. */ - ret = glusterd_snap_remove (rsp_dict, snap, _gf_false, _gf_true); - if (ret) { - gf_log (this->name, GF_LOG_WARNING, "Failed to delete " - "snap %s", snap->snapname); - goto out; - } - - ret = glusterd_store_volinfo (new_volinfo, - GLUSTERD_VOLINFO_VER_AC_INCREMENT); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Failed to store volinfo"); - goto out; - } - - ret = 0; -out: - - return ret; -} |