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LU-2430 mdt: Add global rename lock.
[fs/lustre-release.git] / lustre / osp / osp_md_object.c
index fc468d3..9bed8da 100644 (file)
@@ -45,13 +45,13 @@ int osp_md_declare_object_create(const struct lu_env *env,
                                 struct dt_object_format *dof,
                                 struct thandle *th)
 {
-       struct osp_thread_info  *osi = osp_env_info(env);
-       struct update_request   *update;
-       struct lu_fid           *fid1;
-       int                     sizes[2] = {sizeof(struct obdo), 0};
-       char                    *bufs[2] = {NULL, NULL};
-       int                     buf_count;
-       int                     rc;
+       struct osp_thread_info          *osi = osp_env_info(env);
+       struct dt_update_request        *update;
+       struct lu_fid                   *fid1;
+       int                             sizes[2] = {sizeof(struct obdo), 0};
+       char                            *bufs[2] = {NULL, NULL};
+       int                             buf_count;
+       int                             rc;
 
        update = out_find_create_update_loc(th, dt);
        if (IS_ERR(update)) {
@@ -97,20 +97,20 @@ int osp_md_declare_object_create(const struct lu_env *env,
                CDEBUG(D_HA, "%s: object "DFID" exists, destroy this orphan\n",
                       dt->do_lu.lo_dev->ld_obd->obd_name, PFID(fid1));
 
-               rc = out_insert_update(env, update, OBJ_REF_DEL, fid1, 0,
+               rc = out_insert_update(env, update, OUT_REF_DEL, fid1, 0,
                                       NULL, NULL);
                if (rc != 0)
                        GOTO(out, rc);
 
                if (S_ISDIR(lu_object_attr(&dt->do_lu))) {
                        /* decrease for ".." */
-                       rc = out_insert_update(env, update, OBJ_REF_DEL, fid1,
+                       rc = out_insert_update(env, update, OUT_REF_DEL, fid1,
                                               0, NULL, NULL);
                        if (rc != 0)
                                GOTO(out, rc);
                }
 
-               rc = out_insert_update(env, update, OBJ_DESTROY, fid1, 0, NULL,
+               rc = out_insert_update(env, update, OUT_DESTROY, fid1, 0, NULL,
                                       NULL);
                if (rc != 0)
                        GOTO(out, rc);
@@ -121,7 +121,7 @@ int osp_md_declare_object_create(const struct lu_env *env,
                update_inc_batchid(update);
        }
 
-       rc = out_insert_update(env, update, OBJ_CREATE, fid1, buf_count, sizes,
+       rc = out_insert_update(env, update, OUT_CREATE, fid1, buf_count, sizes,
                               (const char **)bufs);
 out:
        if (rc)
@@ -153,9 +153,9 @@ static int osp_md_declare_object_ref_del(const struct lu_env *env,
                                         struct dt_object *dt,
                                         struct thandle *th)
 {
-       struct update_request   *update;
-       struct lu_fid           *fid;
-       int                     rc;
+       struct dt_update_request        *update;
+       struct lu_fid                   *fid;
+       int                             rc;
 
        update = out_find_create_update_loc(th, dt);
        if (IS_ERR(update)) {
@@ -167,7 +167,7 @@ static int osp_md_declare_object_ref_del(const struct lu_env *env,
 
        fid = (struct lu_fid *)lu_object_fid(&dt->do_lu);
 
-       rc = out_insert_update(env, update, OBJ_REF_DEL, fid, 0, NULL, NULL);
+       rc = out_insert_update(env, update, OUT_REF_DEL, fid, 0, NULL, NULL);
 
        return rc;
 }
@@ -185,9 +185,9 @@ static int osp_md_object_ref_del(const struct lu_env *env,
 static int osp_md_declare_ref_add(const struct lu_env *env,
                                  struct dt_object *dt, struct thandle *th)
 {
-       struct update_request   *update;
-       struct lu_fid           *fid;
-       int                     rc;
+       struct dt_update_request        *update;
+       struct lu_fid                   *fid;
+       int                             rc;
 
        update = out_find_create_update_loc(th, dt);
        if (IS_ERR(update)) {
@@ -199,7 +199,7 @@ static int osp_md_declare_ref_add(const struct lu_env *env,
 
        fid = (struct lu_fid *)lu_object_fid(&dt->do_lu);
 
-       rc = out_insert_update(env, update, OBJ_REF_ADD, fid, 0, NULL, NULL);
+       rc = out_insert_update(env, update, OUT_REF_ADD, fid, 0, NULL, NULL);
 
        return rc;
 }
@@ -222,7 +222,6 @@ static void osp_md_ah_init(const struct lu_env *env,
 {
        LASSERT(ah);
 
-       memset(ah, 0, sizeof(*ah));
        ah->dah_parent = parent;
        ah->dah_mode = child_mode;
 }
@@ -230,12 +229,12 @@ static void osp_md_ah_init(const struct lu_env *env,
 int osp_md_declare_attr_set(const struct lu_env *env, struct dt_object *dt,
                            const struct lu_attr *attr, struct thandle *th)
 {
-       struct osp_thread_info *osi = osp_env_info(env);
-       struct update_request  *update;
-       struct lu_fid          *fid;
-       int                     size = sizeof(struct obdo);
-       char                   *buf;
-       int                     rc;
+       struct osp_thread_info          *osi = osp_env_info(env);
+       struct dt_update_request        *update;
+       struct lu_fid                   *fid;
+       int                             size = sizeof(struct obdo);
+       char                            *buf;
+       int                             rc;
 
        update = out_find_create_update_loc(th, dt);
        if (IS_ERR(update)) {
@@ -254,7 +253,7 @@ int osp_md_declare_attr_set(const struct lu_env *env, struct dt_object *dt,
        buf = (char *)&osi->osi_obdo;
        fid = (struct lu_fid *)lu_object_fid(&dt->do_lu);
 
-       rc = out_insert_update(env, update, OBJ_ATTR_SET, fid, 1, &size,
+       rc = out_insert_update(env, update, OUT_ATTR_SET, fid, 1, &size,
                               (const char **)&buf);
 
        return rc;
@@ -325,13 +324,12 @@ static int osp_md_index_lookup(const struct lu_env *env, struct dt_object *dt,
        struct lu_buf           *lbuf   = &osp_env_info(env)->osi_lb2;
        struct osp_device       *osp    = lu2osp_dev(dt->do_lu.lo_dev);
        struct dt_device        *dt_dev = &osp->opd_dt_dev;
-       struct update_request   *update;
-       struct ptlrpc_request   *req = NULL;
-       int                     size = strlen((char *)key) + 1;
-       int                     rc;
-       struct update_reply     *reply;
-       struct lu_fid           *fid;
-
+       struct dt_update_request   *update;
+       struct object_update_reply *reply;
+       struct ptlrpc_request      *req = NULL;
+       int                        size = strlen((char *)key) + 1;
+       struct lu_fid              *fid;
+       int                        rc;
        ENTRY;
 
        /* Because it needs send the update buffer right away,
@@ -342,9 +340,9 @@ static int osp_md_index_lookup(const struct lu_env *env, struct dt_object *dt,
        if (IS_ERR(update))
                RETURN(PTR_ERR(update));
 
-       rc = out_insert_update(env, update, OBJ_INDEX_LOOKUP,
-                              lu_object_fid(&dt->do_lu), 1, &size,
-                              (const char **)&key);
+       rc = out_insert_update(env, update, OUT_INDEX_LOOKUP,
+                              lu_object_fid(&dt->do_lu),
+                              1, &size, (const char **)&key);
        if (rc) {
                CERROR("%s: Insert update error: rc = %d\n",
                       dt_dev->dd_lu_dev.ld_obd->obd_name, rc);
@@ -355,26 +353,19 @@ static int osp_md_index_lookup(const struct lu_env *env, struct dt_object *dt,
        if (rc < 0)
                GOTO(out, rc);
 
-       reply = req_capsule_server_sized_get(&req->rq_pill, &RMF_UPDATE_REPLY,
-                                            UPDATE_BUFFER_SIZE);
-       if (reply->ur_version != UPDATE_REPLY_V1) {
+       reply = req_capsule_server_sized_get(&req->rq_pill,
+                                            &RMF_OUT_UPDATE_REPLY,
+                                            OUT_UPDATE_REPLY_SIZE);
+       if (reply->ourp_magic != UPDATE_REPLY_MAGIC) {
                CERROR("%s: Wrong version %x expected %x: rc = %d\n",
                       dt_dev->dd_lu_dev.ld_obd->obd_name,
-                      reply->ur_version, UPDATE_REPLY_V1, -EPROTO);
+                      reply->ourp_magic, UPDATE_REPLY_MAGIC, -EPROTO);
                GOTO(out, rc = -EPROTO);
        }
 
-       rc = update_get_reply_result(reply, NULL, 0);
-       if (rc < 0) {
-               CERROR("%s: wrong version lookup "DFID" %s: rc = %d\n",
-                      dt_dev->dd_lu_dev.ld_obd->obd_name,
-                      PFID(lu_object_fid(&dt->do_lu)), (char *)key, rc);
-               GOTO(out, rc);
-       }
-
-       rc = update_get_reply_buf(reply, lbuf, 0);
+       rc = object_update_result_data_get(reply, lbuf, 0);
        if (rc < 0)
-               GOTO(out, rc);
+               GOTO(out, rc = size);
 
        if (lbuf->lb_len != sizeof(*fid)) {
                CERROR("%s: lookup "DFID" %s wrong size %d\n",
@@ -412,13 +403,13 @@ static int osp_md_declare_insert(const struct lu_env *env,
                                 const struct dt_key *key,
                                 struct thandle *th)
 {
-       struct update_request   *update;
-       struct lu_fid           *fid;
-       struct lu_fid           *rec_fid = (struct lu_fid *)rec;
-       int                     size[2] = {strlen((char *)key) + 1,
+       struct dt_update_request *update;
+       struct lu_fid            *fid;
+       struct lu_fid            *rec_fid = (struct lu_fid *)rec;
+       int                      size[2] = {strlen((char *)key) + 1,
                                                  sizeof(*rec_fid)};
-       const char              *bufs[2] = {(char *)key, (char *)rec_fid};
-       int                     rc;
+       const char               *bufs[2] = {(char *)key, (char *)rec_fid};
+       int                      rc;
 
        update = out_find_create_update_loc(th, dt);
        if (IS_ERR(update)) {
@@ -436,7 +427,7 @@ static int osp_md_declare_insert(const struct lu_env *env,
 
        fid_cpu_to_le(rec_fid, rec_fid);
 
-       rc = out_insert_update(env, update, OBJ_INDEX_INSERT, fid,
+       rc = out_insert_update(env, update, OUT_INDEX_INSERT, fid,
                               ARRAY_SIZE(size), size, bufs);
        return rc;
 }
@@ -457,7 +448,7 @@ static int osp_md_declare_delete(const struct lu_env *env,
                                 const struct dt_key *key,
                                 struct thandle *th)
 {
-       struct update_request *update;
+       struct dt_update_request *update;
        struct lu_fid *fid;
        int size = strlen((char *)key) + 1;
        int rc;
@@ -472,7 +463,7 @@ static int osp_md_declare_delete(const struct lu_env *env,
 
        fid = (struct lu_fid *)lu_object_fid(&dt->do_lu);
 
-       rc = out_insert_update(env, update, OBJ_INDEX_DELETE, fid, 1, &size,
+       rc = out_insert_update(env, update, OUT_INDEX_DELETE, fid, 1, &size,
                               (const char **)&key);
 
        return rc;
@@ -495,7 +486,7 @@ static int osp_md_index_delete(const struct lu_env *env,
  *
  * Note: for OSP, these index iterate api is only used to check
  * whether the directory is empty now (see mdd_dir_is_empty).
- * Since dir_empty will be return by OBJ_ATTR_GET(see osp_attr_get/
+ * Since dir_empty will be return by OUT_ATTR_GET(see osp_attr_get/
  * out_attr_get). So the implementation of these iterator is simplied
  * to make mdd_dir_is_empty happy. The real iterator should be
  * implemented, if we need it one day.
@@ -612,8 +603,7 @@ static int osp_md_object_lock(const struct lu_env *env,
                              struct ldlm_enqueue_info *einfo,
                              ldlm_policy_data_t *policy)
 {
-       struct osp_thread_info  *info = osp_env_info(env);
-       struct ldlm_res_id      *res_id = &info->osi_resid;
+       struct ldlm_res_id      *res_id;
        struct dt_device        *dt_dev = lu2dt_dev(dt->do_lu.lo_dev);
        struct osp_device       *osp = dt2osp_dev(dt_dev);
        struct ptlrpc_request   *req;
@@ -621,7 +611,8 @@ static int osp_md_object_lock(const struct lu_env *env,
        __u64                   flags = 0;
        ldlm_mode_t             mode;
 
-       fid_build_reg_res_name(lu_object_fid(&dt->do_lu), res_id);
+       res_id = einfo->ei_res_id;
+       LASSERT(res_id != NULL);
 
        mode = ldlm_lock_match(osp->opd_obd->obd_namespace,
                               LDLM_FL_BLOCK_GRANTED, res_id,
@@ -681,3 +672,47 @@ struct dt_object_operations osp_md_obj_ops = {
        .do_object_lock       = osp_md_object_lock,
        .do_object_unlock     = osp_md_object_unlock,
 };
+
+static ssize_t osp_md_declare_write(const struct lu_env *env,
+                                   struct dt_object *dt,
+                                   const struct lu_buf *buf,
+                                   loff_t pos, struct thandle *th)
+{
+       struct dt_update_request  *update;
+       struct lu_fid             *fid;
+       int                       sizes[2] = {buf->lb_len, sizeof(pos)};
+       const char                *bufs[2] = {(char *)buf->lb_buf,
+                                             (char *)&pos};
+       ssize_t                   rc;
+
+       update = out_find_create_update_loc(th, dt);
+       if (IS_ERR(update)) {
+               CERROR("%s: Get OSP update buf failed: rc = %d\n",
+                      dt->do_lu.lo_dev->ld_obd->obd_name,
+                      (int)PTR_ERR(update));
+               return PTR_ERR(update);
+       }
+
+       pos = cpu_to_le64(pos);
+       bufs[1] = (char *)&pos;
+       fid = (struct lu_fid *)lu_object_fid(&dt->do_lu);
+       rc = out_insert_update(env, update, OUT_WRITE, fid,
+                              ARRAY_SIZE(sizes), sizes, bufs);
+
+       return rc;
+
+}
+
+static ssize_t osp_md_write(const struct lu_env *env, struct dt_object *dt,
+                           const struct lu_buf *buf, loff_t *pos,
+                           struct thandle *handle,
+                           struct lustre_capa *capa, int ignore_quota)
+{
+       return buf->lb_len;
+}
+
+/* These body operation will be used to write symlinks during migration etc */
+struct dt_body_operations osp_md_body_ops = {
+       .dbo_declare_write      = osp_md_declare_write,
+       .dbo_write              = osp_md_write,
+};