LU-1866 lfsck: enhance otable-based iteration

[fs/lustre-release.git] / lustre / lod / lod_object.c

diff --git a/lustre/lod/lod_object.c b/lustre/lod/lod_object.c
index 95d1cf8..f082c91 100644 (file)
--- a/lustre/lod/lod_object.c
+++ b/lustre/lod/lod_object.c
@@ -23,7 +23,7 @@
  * Copyright  2009 Sun Microsystems, Inc. All rights reserved
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Intel, Inc.
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * lustre/lod/lod_object.c
@@ -707,7 +707,10 @@ static void lod_ah_init(const struct lu_env *env,
                        lc->ldo_def_stripe_offset = lp->ldo_def_stripe_offset;
                        lc->ldo_striping_cached = 1;
                        lc->ldo_def_striping_set = 1;
-                       CDEBUG(D_OTHER, "inherite striping defaults\n");
+                       CDEBUG(D_OTHER, "inherite EA sz:%d off:%d nr:%d\n",
+                              (int)lc->ldo_def_stripenr,
+                              (int)lc->ldo_def_stripe_size,
+                              (int)lc->ldo_def_stripe_offset);
                }
                return;
        }
@@ -901,11 +904,35 @@ static int lod_declare_object_create(const struct lu_env *env,
        } else if (dof->dof_type == DFT_DIR && lo->ldo_striping_cached) {
                struct lod_thread_info *info = lod_env_info(env);
 
-               info->lti_buf.lb_buf = NULL;
-               info->lti_buf.lb_len = sizeof(struct lov_user_md_v3);
+               struct lov_user_md_v3 *v3;
+
+               if (LOVEA_DELETE_VALUES(lo->ldo_def_stripe_size,
+                                       lo->ldo_def_stripenr,
+                                       lo->ldo_def_stripe_offset))
+                       RETURN(0);
+
+               OBD_ALLOC_PTR(v3);
+               if (v3 == NULL)
+                       RETURN(-ENOMEM);
+
+               v3->lmm_magic = cpu_to_le32(LOV_MAGIC_V3);
+               v3->lmm_pattern = cpu_to_le32(LOV_PATTERN_RAID0);
+               v3->lmm_object_id = fid_oid(lu_object_fid(&dt->do_lu));
+               v3->lmm_object_seq = fid_seq(lu_object_fid(&dt->do_lu));
+               v3->lmm_stripe_size = cpu_to_le32(lo->ldo_def_stripe_size);
+               v3->lmm_stripe_count = cpu_to_le32(lo->ldo_def_stripenr);
+               v3->lmm_stripe_offset = cpu_to_le16(lo->ldo_def_stripe_offset);
+               if (lo->ldo_pool)
+                       strncpy(v3->lmm_pool_name, lo->ldo_pool,
+                               LOV_MAXPOOLNAME);
+
+               info->lti_buf.lb_buf = v3;
+               info->lti_buf.lb_len = sizeof(*v3);
+
                /* to transfer default striping from the parent */
                rc = dt_declare_xattr_set(env, next, &info->lti_buf,
                                          XATTR_NAME_LOV, 0, th);
+               OBD_FREE_PTR(v3);
        }
 
 out:
@@ -1225,3 +1252,51 @@ struct lu_object_operations lod_lu_obj_ops = {
        .loo_object_release     = lod_object_release,
        .loo_object_print       = lod_object_print,
 };
+
+/**
+ * Init remote lod object
+ */
+static int lod_robject_init(const struct lu_env *env, struct lu_object *lo,
+                           const struct lu_object_conf *conf)
+{
+       struct lod_device *lod = lu2lod_dev(lo->lo_dev);
+       struct lod_tgt_descs *ltd = &lod->lod_mdt_descs;
+       struct lu_device  *c_dev = NULL;
+       struct lu_object  *c_obj;
+       int i;
+       ENTRY;
+
+       lod_getref(ltd);
+       if (ltd->ltd_tgts_size > 0) {
+               cfs_foreach_bit(ltd->ltd_tgt_bitmap, i) {
+                       struct lod_tgt_desc *tgt;
+                       tgt = LTD_TGT(ltd, i);
+                       LASSERT(tgt && tgt->ltd_tgt);
+                       if (tgt->ltd_index ==
+                           lu2lod_obj(lo)->ldo_mds_num) {
+                               c_dev = &(tgt->ltd_tgt->dd_lu_dev);
+                               break;
+                       }
+               }
+       }
+       lod_putref(lod, ltd);
+
+       if (unlikely(c_dev == NULL))
+               RETURN(-ENOENT);
+
+       c_obj = c_dev->ld_ops->ldo_object_alloc(env, lo->lo_header, c_dev);
+       if (unlikely(c_obj == NULL))
+               RETURN(-ENOMEM);
+
+       lu_object_add(lo, c_obj);
+
+       RETURN(0);
+}
+
+struct lu_object_operations lod_lu_robj_ops = {
+       .loo_object_init      = lod_robject_init,
+       .loo_object_start     = lod_object_start,
+       .loo_object_free      = lod_object_free,
+       .loo_object_release   = lod_object_release,
+       .loo_object_print     = lod_object_print,
+};