* \param type indidcate the FID is on MDS or OST.
**/
int lod_fld_lookup(const struct lu_env *env, struct lod_device *lod,
- const struct lu_fid *fid, __u32 *tgt, int type)
+ const struct lu_fid *fid, __u32 *tgt, int *type)
{
struct lu_seq_range range = { 0 };
struct lu_server_fld *server_fld;
ENTRY;
LASSERTF(fid_is_sane(fid), "Invalid FID "DFID"\n", PFID(fid));
+
if (fid_is_idif(fid)) {
*tgt = fid_idif_ost_idx(fid);
+ *type = LU_SEQ_RANGE_OST;
RETURN(rc);
}
if (!lod->lod_initialized || (!fid_seq_in_fldb(fid_seq(fid)))) {
LASSERT(lu_site2seq(lod2lu_dev(lod)->ld_site) != NULL);
+
*tgt = lu_site2seq(lod2lu_dev(lod)->ld_site)->ss_node_id;
+ *type = LU_SEQ_RANGE_MDT;
RETURN(rc);
}
server_fld = lu_site2seq(lod2lu_dev(lod)->ld_site)->ss_server_fld;
- fld_range_set_type(&range, type);
+ fld_range_set_type(&range, *type);
rc = fld_server_lookup(env, server_fld, fid_seq(fid), &range);
if (rc)
RETURN(rc);
*tgt = range.lsr_index;
+ *type = range.lsr_flags;
CDEBUG(D_INFO, "LOD: got tgt %x for sequence: "
LPX64"\n", *tgt, fid_seq(fid));
}
extern struct lu_object_operations lod_lu_obj_ops;
-extern struct lu_object_operations lod_lu_robj_ops;
extern struct dt_object_operations lod_obj_ops;
/* Slab for OSD object allocation */
{
struct lod_object *lod_obj;
struct lu_object *lu_obj;
- const struct lu_fid *fid = &hdr->loh_fid;
- mdsno_t mds;
- int rc = 0;
ENTRY;
- OBD_SLAB_ALLOC_PTR_GFP(lod_obj, lod_object_kmem, __GFP_IO);
+ OBD_SLAB_ALLOC_PTR_GFP(lod_obj, lod_object_kmem, GFP_NOFS);
if (lod_obj == NULL)
RETURN(ERR_PTR(-ENOMEM));
- rc = lod_fld_lookup(env, lu2lod_dev(dev), fid, &mds, LU_SEQ_RANGE_MDT);
- if (rc) {
- OBD_SLAB_FREE_PTR(lod_obj, lod_object_kmem);
- RETURN(ERR_PTR(rc));
- }
-
- lod_obj->ldo_mds_num = mds;
lu_obj = lod2lu_obj(lod_obj);
dt_object_init(&lod_obj->ldo_obj, NULL, dev);
lod_obj->ldo_obj.do_ops = &lod_obj_ops;
- if (likely(mds == lu_site2seq(dev->ld_site)->ss_node_id))
- lu_obj->lo_ops = &lod_lu_obj_ops;
- else
- lu_obj->lo_ops = &lod_lu_robj_ops;
+ lu_obj->lo_ops = &lod_lu_obj_ops;
+
RETURN(lu_obj);
}
if (IS_ERR(th))
return th;
- CFS_INIT_LIST_HEAD(&th->th_remote_update_list);
return th;
}
-static int lod_remote_sync(const struct lu_env *env, struct dt_device *dev,
- struct thandle *th)
-{
- struct update_request *update;
- int rc = 0;
- ENTRY;
-
- if (cfs_list_empty(&th->th_remote_update_list))
- RETURN(0);
-
- cfs_list_for_each_entry(update, &th->th_remote_update_list,
- ur_list) {
- /* In DNE phase I, there should be only one OSP
- * here, so we will do send/receive one by one,
- * instead of sending them parallel, will fix this
- * in Phase II */
- th->th_current_request = update;
- rc = dt_trans_start(env, update->ur_dt, th);
- if (rc != 0) {
- /* FIXME how to revert the partial results
- * once error happened? Resolved by 2 Phase commit */
- update->ur_rc = rc;
- break;
- }
- }
-
- RETURN(rc);
-}
-
static int lod_trans_start(const struct lu_env *env, struct dt_device *dev,
struct thandle *th)
{
struct lod_device *lod = dt2lod_dev((struct dt_device *) dev);
- int rc;
+ int rc = 0;
- rc = lod_remote_sync(env, dev, th);
- if (rc)
- return rc;
+ if (unlikely(th->th_update != NULL)) {
+ struct thandle_update *tu = th->th_update;
+ struct dt_update_request *update;
+ list_for_each_entry(update, &tu->tu_remote_update_list,
+ dur_list) {
+ LASSERT(update->dur_dt != NULL);
+ rc = dt_trans_start(env, update->dur_dt, th);
+ if (rc != 0)
+ return rc;
+ }
+ }
return dt_trans_start(env, lod->lod_child, th);
}
-static int lod_trans_stop(const struct lu_env *env, struct thandle *th)
+static int lod_trans_stop(const struct lu_env *env, struct dt_device *dt,
+ struct thandle *th)
{
- struct update_request *update;
- struct update_request *tmp;
- int rc = 0;
- int rc2 = 0;
+ struct thandle_update *tu = th->th_update;
+ struct dt_update_request *update;
+ struct dt_update_request *tmp;
+ int rc2 = 0;
+ int rc;
+ ENTRY;
- cfs_list_for_each_entry_safe(update, tmp,
- &th->th_remote_update_list,
- ur_list) {
- th->th_current_request = update;
- rc2 = dt_trans_stop(env, update->ur_dt, th);
+ rc = dt_trans_stop(env, th->th_dev, th);
+ if (likely(tu == NULL))
+ RETURN(rc);
+
+ list_for_each_entry_safe(update, tmp,
+ &tu->tu_remote_update_list,
+ dur_list) {
+ /* update will be freed inside dt_trans_stop */
+ rc2 = dt_trans_stop(env, update->dur_dt, th);
if (unlikely(rc2 != 0 && rc == 0))
rc = rc2;
}
- rc2 = dt_trans_stop(env, th->th_dev, th);
-
- return rc2 != 0 ? rc2 : rc;
+ RETURN(rc);
}
static void lod_conf_get(const struct lu_env *env,