* GPL HEADER END
*/
/*
- * Copyright (c) 2013, Intel Corporation.
+ * Copyright (c) 2013, 2014, Intel Corporation.
*/
/*
* lustre/osp/osp_md_object.c
static const char dotdot[] = "..";
/**
- * Implementation of dt_object_operations::do_declare_create
+ * Add OUT_CREATE sub-request into the OUT RPC.
*
- * Insert object create update into the RPC, which will be sent during
- * transaction start. Note: if the object has already been created,
- * we must add object destroy updates ahead of create updates, so it will
- * destroy then recreate the object.
+ * Note: if the object has already been created, we must add object
+ * destroy sub-request ahead of the create, so it will destroy then
+ * re-create the object.
*
* \param[in] env execution environment
- * \param[in] dt remote object to be created
+ * \param[in] dt object to be created
* \param[in] attr attribute of the created object
* \param[in] hint creation hint
* \param[in] dof creation format information
* \param[in] th the transaction handle
*
- * \retval 0 if the insertion succeeds.
- * \retval negative errno if the insertion fails.
+ * \retval only return 0 for now
*/
-int osp_md_declare_object_create(const struct lu_env *env,
- struct dt_object *dt,
- struct lu_attr *attr,
- struct dt_allocation_hint *hint,
- struct dt_object_format *dof,
- struct thandle *th)
+static int __osp_md_declare_object_create(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th)
{
struct dt_update_request *update;
int rc;
}
/**
+ * Implementation of dt_object_operations::do_declare_create
+ *
+ * For non-remote transaction, it will add an OUT_CREATE sub-request
+ * into the OUT RPC that will be flushed when the transaction start.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt remote object to be created
+ * \param[in] attr attribute of the created object
+ * \param[in] hint creation hint
+ * \param[in] dof creation format information
+ * \param[in] th the transaction handle
+ *
+ * \retval 0 if the insertion succeeds.
+ * \retval negative errno if the insertion fails.
+ */
+int osp_md_declare_object_create(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th)
+{
+ int rc = 0;
+
+ if (!is_only_remote_trans(th)) {
+ rc = __osp_md_declare_object_create(env, dt, attr, hint,
+ dof, th);
+
+ CDEBUG(D_INFO, "declare create md_object "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ return rc;
+}
+
+/**
* Implementation of dt_object_operations::do_create
*
+ * For remote transaction, it will add an OUT_CREATE sub-request into
+ * the OUT RPC that will be flushed when the transaction stop.
+ *
* It sets necessary flags for created object. In DNE phase I,
* remote updates are actually executed during transaction start,
* i.e. the object has already been created when calling this method.
struct lu_attr *attr, struct dt_allocation_hint *hint,
struct dt_object_format *dof, struct thandle *th)
{
- CDEBUG(D_INFO, "create object "DFID"\n",
- PFID(&dt->do_lu.lo_header->loh_fid));
+ int rc = 0;
- /* Because the create update RPC will be sent during declare phase,
- * if creation reaches here, it means the object has been created
- * successfully */
- dt->do_lu.lo_header->loh_attr |= LOHA_EXISTS | (attr->la_mode & S_IFMT);
- dt2osp_obj(dt)->opo_non_exist = 0;
+ if (is_only_remote_trans(th)) {
+ rc = __osp_md_declare_object_create(env, dt, attr, hint,
+ dof, th);
- return 0;
+ CDEBUG(D_INFO, "create md_object "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ if (rc == 0) {
+ dt->do_lu.lo_header->loh_attr |= LOHA_EXISTS |
+ (attr->la_mode & S_IFMT);
+ dt2osp_obj(dt)->opo_non_exist = 0;
+ }
+
+ return rc;
}
/**
- * Implementation of dt_object_operations::do_declare_ref_del
- *
- * Declare decreasing the reference count of the remote object, i.e. insert
- * decreasing object reference count update into the RPC, which will be sent
- * during transaction start.
+ * Add OUT_REF_DEL sub-request into the OUT RPC.
*
* \param[in] env execution environment
* \param[in] dt object to decrease the reference count.
* \retval 0 if the insertion succeeds.
* \retval negative errno if the insertion fails.
*/
-static int osp_md_declare_object_ref_del(const struct lu_env *env,
- struct dt_object *dt,
- struct thandle *th)
+static int __osp_md_ref_del(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th)
{
struct dt_update_request *update;
int rc;
}
/**
+ * Implementation of dt_object_operations::do_declare_ref_del
+ *
+ * For non-remote transaction, it will add an OUT_REF_DEL sub-request
+ * into the OUT RPC that will be flushed when the transaction start.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt object to decrease the reference count.
+ * \param[in] th the transaction handle of refcount decrease.
+ *
+ * \retval 0 if the insertion succeeds.
+ * \retval negative errno if the insertion fails.
+ */
+static int osp_md_declare_ref_del(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ int rc = 0;
+
+ if (!is_only_remote_trans(th)) {
+ rc = __osp_md_ref_del(env, dt, th);
+
+ CDEBUG(D_INFO, "declare ref del "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ return rc;
+}
+
+/**
* Implementation of dt_object_operations::do_ref_del
*
- * Do nothing in this method for now. In DNE phase I, remote updates are
- * actually executed during transaction start, i.e. the object reference
- * count has already been decreased when calling this method.
+ * For remote transaction, it will add an OUT_REF_DEL sub-request into
+ * the OUT RPC that will be flushed when the transaction stop.
*
* \param[in] env execution environment
* \param[in] dt object to decrease the reference count
*
* \retval only return 0 for now
*/
-static int osp_md_object_ref_del(const struct lu_env *env,
- struct dt_object *dt,
- struct thandle *th)
+static int osp_md_ref_del(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th)
{
- CDEBUG(D_INFO, "ref del object "DFID"\n",
- PFID(&dt->do_lu.lo_header->loh_fid));
+ int rc = 0;
- return 0;
+ if (is_only_remote_trans(th)) {
+ rc = __osp_md_ref_del(env, dt, th);
+
+ CDEBUG(D_INFO, "ref del "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ return rc;
}
/**
- * Implementation of dt_object_operations::do_declare_ref_del
- *
- * Declare increasing the reference count of the remote object,
- * i.e. insert increasing object reference count update into RPC.
+ * Add OUT_REF_ADD sub-request into the OUT RPC.
*
* \param[in] env execution environment
* \param[in] dt object on which to increase the reference count.
* \retval 0 if the insertion succeeds.
* \retval negative errno if the insertion fails.
*/
-static int osp_md_declare_ref_add(const struct lu_env *env,
- struct dt_object *dt, struct thandle *th)
+static int __osp_md_ref_add(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th)
{
struct dt_update_request *update;
int rc;
}
/**
+ * Implementation of dt_object_operations::do_declare_ref_del
+ *
+ * For non-remote transaction, it will add an OUT_REF_ADD sub-request
+ * into the OUT RPC that will be flushed when the transaction start.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt object on which to increase the reference count.
+ * \param[in] th the transaction handle.
+ *
+ * \retval 0 if the insertion succeeds.
+ * \retval negative errno if the insertion fails.
+ */
+static int osp_md_declare_ref_add(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ int rc = 0;
+
+ if (!is_only_remote_trans(th)) {
+ rc = __osp_md_ref_add(env, dt, th);
+
+ CDEBUG(D_INFO, "declare ref add "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ return rc;
+}
+
+/**
* Implementation of dt_object_operations::do_ref_add
*
- * Do nothing in this method for now. In DNE phase I, remote updates are
- * actually executed during transaction start, i.e. the object reference
- * count has already been increased when calling this method.
+ * For remote transaction, it will add an OUT_REF_ADD sub-request into
+ * the OUT RPC that will be flushed when the transaction stop.
*
* \param[in] env execution environment
* \param[in] dt object on which to increase the reference count
*
* \retval only return 0 for now
*/
-static int osp_md_object_ref_add(const struct lu_env *env, struct dt_object *dt,
- struct thandle *th)
+static int osp_md_ref_add(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th)
{
- CDEBUG(D_INFO, "ref add object "DFID"\n",
- PFID(&dt->do_lu.lo_header->loh_fid));
+ int rc = 0;
- return 0;
+ if (is_only_remote_trans(th)) {
+ rc = __osp_md_ref_add(env, dt, th);
+
+ CDEBUG(D_INFO, "ref add "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ return rc;
}
/**
}
/**
- * Implementation of dt_object_operations::do_declare_attr_get
- *
- * Declare setting attributes of the remote object, i.e. insert remote
- * object attr_set update into RPC.
+ * Add OUT_ATTR_SET sub-request into the OUT RPC.
*
* \param[in] env execution environment
* \param[in] dt object on which to set attributes
* \retval 0 if the insertion succeeds.
* \retval negative errno if the insertion fails.
*/
-int osp_md_declare_attr_set(const struct lu_env *env, struct dt_object *dt,
- const struct lu_attr *attr, struct thandle *th)
+int __osp_md_attr_set(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_attr *attr, struct thandle *th)
{
struct dt_update_request *update;
int rc;
}
/**
+ * Implementation of dt_object_operations::do_declare_attr_get
+ *
+ * Declare setting attributes to the specified remote object.
+ *
+ * If the transaction is a non-remote transaction, then add the OUT_ATTR_SET
+ * sub-request into the OUT RPC that will be flushed when the transaction start.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt object on which to set attributes
+ * \param[in] attr attributes to be set
+ * \param[in] th the transaction handle
+ *
+ * \retval 0 if the insertion succeeds.
+ * \retval negative errno if the insertion fails.
+ */
+int osp_md_declare_attr_set(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_attr *attr, struct thandle *th)
+{
+ int rc = 0;
+
+ if (!is_only_remote_trans(th)) {
+ rc = __osp_md_attr_set(env, dt, attr, th);
+
+ CDEBUG(D_INFO, "declare attr set md_object "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ return rc;
+}
+
+/**
* Implementation of dt_object_operations::do_attr_set
*
- * Do nothing in this method for now. In DNE phase I, remote updates
- * are actually executed during transaction start, i.e. object attributes
- * have already been set when calling this method.
+ * Set attributes to the specified remote object.
+ *
+ * If the transaction is a remote transaction, then add the OUT_ATTR_SET
+ * sub-request into the OUT RPC that will be flushed when the transaction stop.
*
* \param[in] env execution environment
* \param[in] dt object to set attributes
* \param[in] attr attributes to be set
* \param[in] th the transaction handle
- * \param[in] capa capability of setting attributes (not yet implemented).
*
* \retval only return 0 for now
*/
int osp_md_attr_set(const struct lu_env *env, struct dt_object *dt,
- const struct lu_attr *attr, struct thandle *th,
- struct lustre_capa *capa)
+ const struct lu_attr *attr, struct thandle *th)
{
- CDEBUG(D_INFO, "attr set object "DFID"\n",
- PFID(&dt->do_lu.lo_header->loh_fid));
+ int rc = 0;
- RETURN(0);
+ if (is_only_remote_trans(th)) {
+ rc = __osp_md_attr_set(env, dt, attr, th);
+
+ CDEBUG(D_INFO, "attr set md_object "DFID": rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), rc);
+ }
+
+ return rc;
}
/**
* \param[in] dt index object to lookup
* \param[out] rec record in which to return lookup result
* \param[in] key key of index which will be looked up
- * \param[in] capa capability of lookup (not yet implemented)
*
* \retval 1 if the lookup succeeds.
* \retval negative errno if the lookup fails.
*/
static int osp_md_index_lookup(const struct lu_env *env, struct dt_object *dt,
- struct dt_rec *rec, const struct dt_key *key,
- struct lustre_capa *capa)
+ struct dt_rec *rec, const struct dt_key *key)
{
struct lu_buf *lbuf = &osp_env_info(env)->osi_lb2;
struct osp_device *osp = lu2osp_dev(dt->do_lu.lo_dev);
GOTO(out, rc);
}
- rc = out_remote_sync(env, osp->opd_obd->u.cli.cl_import, update, &req);
+ rc = osp_remote_sync(env, osp, update, &req, false);
if (rc < 0)
GOTO(out, rc);
}
/**
- * Implementation of dt_index_operations::dio_declare_insert
- *
- * Declare the index insert of the remote object, i.e. pack index insert update
- * into the RPC, which will be sent during transaction start.
+ * Add OUT_INDEX_INSERT sub-request into the OUT RPC.
*
* \param[in] env execution environment
* \param[in] dt object for which to insert index
* \retval 0 if the insertion succeeds.
* \retval negative errno if the insertion fails.
*/
-static int osp_md_declare_insert(const struct lu_env *env,
+static int __osp_md_index_insert(const struct lu_env *env,
struct dt_object *dt,
const struct dt_rec *rec,
const struct dt_key *key,
}
/**
+ * Implementation of dt_index_operations::dio_declare_insert
+ *
+ * For non-remote transaction, it will add an OUT_INDEX_INSERT sub-request
+ * into the OUT RPC that will be flushed when the transaction start.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt object for which to insert index
+ * \param[in] rec record of the index which will be inserted
+ * \param[in] key key of the index which will be inserted
+ * \param[in] th the transaction handle
+ *
+ * \retval 0 if the insertion succeeds.
+ * \retval negative errno if the insertion fails.
+ */
+static int osp_md_declare_index_insert(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_rec *rec,
+ const struct dt_key *key,
+ struct thandle *th)
+{
+ int rc = 0;
+
+ if (!is_only_remote_trans(th)) {
+ rc = __osp_md_index_insert(env, dt, rec, key, th);
+
+ CDEBUG(D_INFO, "declare index insert "DFID" key %s, rec "DFID
+ ": rc = %d\n", PFID(&dt->do_lu.lo_header->loh_fid),
+ (char *)key,
+ PFID(((struct dt_insert_rec *)rec)->rec_fid), rc);
+ }
+
+ return rc;
+}
+
+/**
* Implementation of dt_index_operations::dio_insert
*
- * Do nothing in this method for now. In DNE phase I, remote updates
- * are actually executed during transaction start, i.e. the index has
- * already been inserted when calling this method.
+ * For remote transaction, it will add an OUT_INDEX_INSERT sub-request
+ * into the OUT RPC that will be flushed when the transaction stop.
*
* \param[in] env execution environment
* \param[in] dt object for which to insert index
* \param[in] rec record of the index to be inserted
* \param[in] key key of the index to be inserted
* \param[in] th the transaction handle
- * \param[in] capa capability of insert (not yet implemented)
* \param[in] ignore_quota quota enforcement for insert
*
* \retval only return 0 for now
const struct dt_rec *rec,
const struct dt_key *key,
struct thandle *th,
- struct lustre_capa *capa,
int ignore_quota)
{
- return 0;
+ int rc = 0;
+
+ if (is_only_remote_trans(th)) {
+ rc = __osp_md_index_insert(env, dt, rec, key, th);
+
+ CDEBUG(D_INFO, "index insert "DFID" key %s, rec "DFID
+ ": rc = %d\n", PFID(&dt->do_lu.lo_header->loh_fid),
+ (char *)key,
+ PFID(((struct dt_insert_rec *)rec)->rec_fid), rc);
+ }
+
+ return rc;
}
/**
- * Implementation of dt_index_operations::dio_declare_delete
- *
- * Declare the index delete of the remote object, i.e. insert index delete
- * update into the RPC, which will be sent during transaction start.
+ * Add OUT_INDEX_DELETE sub-request into the OUT RPC.
*
* \param[in] env execution environment
* \param[in] dt object for which to delete index
* \retval 0 if the insertion succeeds.
* \retval negative errno if the insertion fails.
*/
-static int osp_md_declare_delete(const struct lu_env *env,
+static int __osp_md_index_delete(const struct lu_env *env,
struct dt_object *dt,
const struct dt_key *key,
struct thandle *th)
}
/**
+ * Implementation of dt_index_operations::dio_declare_delete
+ *
+ * For non-remote transaction, it will add an OUT_INDEX_DELETE sub-request
+ * into the OUT RPC that will be flushed when the transaction start.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt object for which to delete index
+ * \param[in] key key of the index
+ * \param[in] th the transaction handle
+ *
+ * \retval 0 if the insertion succeeds.
+ * \retval negative errno if the insertion fails.
+ */
+static int osp_md_declare_index_delete(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_key *key,
+ struct thandle *th)
+{
+ int rc = 0;
+
+ if (!is_only_remote_trans(th)) {
+ rc = __osp_md_index_delete(env, dt, key, th);
+
+ CDEBUG(D_INFO, "declare index delete "DFID" %s: rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), (char *)key, rc);
+ }
+
+ return rc;
+}
+
+/**
* Implementation of dt_index_operations::dio_delete
*
- * Do nothing in this method for now. Because in DNE phase I, remote updates
- * are actually executed during transaction start, i.e. the index has already
- * been deleted when calling this method.
+ * For remote transaction, it will add an OUT_INDEX_DELETE sub-request
+ * into the OUT RPC that will be flushed when the transaction stop.
*
* \param[in] env execution environment
* \param[in] dt object for which to delete index
* \param[in] key key of the index which will be deleted
* \param[in] th the transaction handle
- * \param[in] capa capability of delete (not yet implemented)
*
* \retval only return 0 for now
*/
static int osp_md_index_delete(const struct lu_env *env,
struct dt_object *dt,
const struct dt_key *key,
- struct thandle *th,
- struct lustre_capa *capa)
+ struct thandle *th)
{
- CDEBUG(D_INFO, "index delete "DFID" %s\n",
- PFID(&dt->do_lu.lo_header->loh_fid), (char *)key);
+ int rc = 0;
- return 0;
+ if (is_only_remote_trans(th)) {
+ rc = __osp_md_index_delete(env, dt, key, th);
+
+ CDEBUG(D_INFO, "index delete "DFID" %s: rc = %d\n",
+ PFID(&dt->do_lu.lo_header->loh_fid), (char *)key, rc);
+ }
+
+ return rc;
}
/**
* \retval 1 if it reaches to the end of the index object.
* \retval negative errno if the pointer cannot be advanced.
*/
-int osp_md_index_it_next(const struct lu_env *env, struct dt_it *di)
+static int osp_md_index_it_next(const struct lu_env *env, struct dt_it *di)
{
struct osp_it *it = (struct osp_it *)di;
struct lu_idxpage *idxpage;
{
struct osp_it *it = (struct osp_it *)di;
struct lu_dirent *ent = (struct lu_dirent *)it->ooi_ent;
- int reclen;
+ size_t reclen;
reclen = lu_dirent_calc_size(le16_to_cpu(ent->lde_namelen), attr);
memcpy(rec, ent, reclen);
const struct dt_index_operations osp_md_index_ops = {
.dio_lookup = osp_md_index_lookup,
- .dio_declare_insert = osp_md_declare_insert,
+ .dio_declare_insert = osp_md_declare_index_insert,
.dio_insert = osp_md_index_insert,
- .dio_declare_delete = osp_md_declare_delete,
+ .dio_declare_delete = osp_md_declare_index_delete,
.dio_delete = osp_md_index_delete,
.dio_it = {
.init = osp_it_init,
.do_declare_create = osp_md_declare_object_create,
.do_create = osp_md_object_create,
.do_declare_ref_add = osp_md_declare_ref_add,
- .do_ref_add = osp_md_object_ref_add,
- .do_declare_ref_del = osp_md_declare_object_ref_del,
- .do_ref_del = osp_md_object_ref_del,
+ .do_ref_add = osp_md_ref_add,
+ .do_declare_ref_del = osp_md_declare_ref_del,
+ .do_ref_del = osp_md_ref_del,
.do_declare_destroy = osp_declare_object_destroy,
.do_destroy = osp_object_destroy,
.do_ah_init = osp_md_ah_init,
* \param[in] buf buffer to write which includes an embedded size field
* \param[in] pos offet in the object to start writing at
* \param[in] th transaction handle
- * \param[in] capa capability of the write (not yet implemented)
* \param[in] ignore_quota quota enforcement for this write
*
* \retval the buffer size in bytes.
*/
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)
+ struct thandle *handle, int ignore_quota)
{
*pos += buf->lb_len;
return buf->lb_len;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff