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LU-103 Add support for test groups.
[fs/lustre-release.git] / lustre / lov / lov_object.c
index 5886885..2a6d7c9 100644 (file)
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -108,28 +108,6 @@ static void lov_install_raid0(const struct lu_env *env,
         lov->u = *state;
 }
 
-static void oinfo_get_fid(const struct lov_oinfo *oinfo, struct lu_fid *fid)
-{
-        __u64 idx = oinfo->loi_id;
-
-        /* See idif definition in wiki:CMD3_interoperability_architecture */
-
-        LASSERT(oinfo->loi_gr < 1ULL << 16);
-        LASSERT(oinfo->loi_id < 1ULL << 49);
-        ENTRY;
-
-        /*
-         * Now that the fid of stripe is not unique now, ost_idx have to
-         * be used to make it unique. This is ok because the stripe fids
-         * are just used in client side(to locate the objects). -jay
-         */
-        fid->f_seq = ((__u64)oinfo->loi_ost_idx) << 32 |
-                     oinfo->loi_gr << 16 | idx >> 32;
-        fid->f_oid = idx; /* truncated to 32 bits by assignment */
-        fid->f_ver = 0;
-        EXIT;
-}
-
 static struct cl_object *lov_sub_find(const struct lu_env *env,
                                       struct cl_device *dev,
                                       const struct lu_fid *fid,
@@ -158,11 +136,11 @@ static int lov_init_sub(const struct lu_env *env, struct lov_object *lov,
         parent = subhdr->coh_parent;
 
         oinfo = r0->lo_lsm->lsm_oinfo[idx];
-        CDEBUG(D_INODE, DFID"@%p[%d] -> "DFID"@%p: id: "LPU64" gr: "LPU64
+        CDEBUG(D_INODE, DFID"@%p[%d] -> "DFID"@%p: id: "LPU64" seq: "LPU64
                " idx: %d gen: %d\n",
                PFID(&subhdr->coh_lu.loh_fid), subhdr, idx,
                PFID(&hdr->coh_lu.loh_fid), hdr,
-               oinfo->loi_id, oinfo->loi_gr,
+               oinfo->loi_id, oinfo->loi_seq,
                oinfo->loi_ost_idx, oinfo->loi_ost_gen);
 
         if (parent == NULL) {
@@ -174,7 +152,7 @@ static int lov_init_sub(const struct lu_env *env, struct lov_object *lov,
                 r0->lo_sub[idx]->lso_index = idx;
                 result = 0;
         } else {
-                CERROR("Stripe is already owned by other file (%i).\n", idx);
+                CERROR("Stripe is already owned by other file (%d).\n", idx);
                 LU_OBJECT_DEBUG(D_ERROR, env, &stripe->co_lu, "\n");
                 LU_OBJECT_DEBUG(D_ERROR, env, lu_object_top(&parent->coh_lu),
                                 "old\n");
@@ -209,6 +187,7 @@ static int lov_init_raid0(const struct lu_env *env,
         if (r0->lo_sub != NULL) {
                 result = 0;
                 subconf->coc_inode = conf->coc_inode;
+                cfs_spin_lock_init(&r0->lo_sub_lock);
                 /*
                  * Create stripe cl_objects.
                  */
@@ -217,7 +196,8 @@ static int lov_init_raid0(const struct lu_env *env,
                         struct lov_oinfo *oinfo = lsm->lsm_oinfo[i];
                         int ost_idx = oinfo->loi_ost_idx;
 
-                        oinfo_get_fid(oinfo, ofid);
+                        fid_ostid_unpack(ofid, &oinfo->loi_oi,
+                                         oinfo->loi_ost_idx);
                         subdev = lovsub2cl_dev(dev->ld_target[ost_idx]);
                         subconf->u.coc_oinfo = oinfo;
                         LASSERTF(subdev != NULL, "not init ost %d\n", ost_idx);
@@ -244,6 +224,7 @@ static void lov_subobject_kill(const struct lu_env *env, struct lov_object *lov,
         struct cl_object        *sub;
         struct lov_layout_raid0 *r0;
         struct lu_site          *site;
+        struct lu_site_bkt_data *bkt;
         cfs_waitlink_t          *waiter;
 
         r0  = &lov->u.raid0;
@@ -251,6 +232,7 @@ static void lov_subobject_kill(const struct lu_env *env, struct lov_object *lov,
 
         sub  = lovsub2cl(los);
         site = sub->co_lu.lo_dev->ld_site;
+        bkt  = lu_site_bkt_from_fid(site, &sub->co_lu.lo_header->loh_fid);
 
         cl_object_kill(env, sub);
         /* release a reference to the sub-object and ... */
@@ -262,14 +244,23 @@ static void lov_subobject_kill(const struct lu_env *env, struct lov_object *lov,
         if (r0->lo_sub[idx] == los) {
                 waiter = &lov_env_info(env)->lti_waiter;
                 cfs_waitlink_init(waiter);
-                cfs_waitq_add(&site->ls_marche_funebre, waiter);
-                set_current_state(CFS_TASK_UNINT);
-
-                while (r0->lo_sub[idx] == los)
+                cfs_waitq_add(&bkt->lsb_marche_funebre, waiter);
+                cfs_set_current_state(CFS_TASK_UNINT);
+                while (1) {
                         /* this wait-queue is signaled at the end of
                          * lu_object_free(). */
-                        cfs_waitq_wait(waiter, CFS_TASK_UNINT);
-                cfs_waitq_del(&site->ls_marche_funebre, waiter);
+                        cfs_set_current_state(CFS_TASK_UNINT);
+                        cfs_spin_lock(&r0->lo_sub_lock);
+                        if (r0->lo_sub[idx] == los) {
+                                cfs_spin_unlock(&r0->lo_sub_lock);
+                                cfs_waitq_wait(waiter, CFS_TASK_UNINT);
+                        } else {
+                                cfs_spin_unlock(&r0->lo_sub_lock);
+                                cfs_set_current_state(CFS_TASK_RUNNING);
+                                break;
+                        }
+                }
+                cfs_waitq_del(&bkt->lsb_marche_funebre, waiter);
         }
         LASSERT(r0->lo_sub[idx] == NULL);
 }
@@ -448,10 +439,10 @@ const static struct lov_layout_operations lov_dispatch[] = {
                                                                         \
         __lock &= __obj->lo_owner != cfs_current();                     \
         if (__lock)                                                     \
-                down_read(&__obj->lo_type_guard);                       \
+                cfs_down_read(&__obj->lo_type_guard);                   \
         __result = LOV_2DISPATCH_NOLOCK(obj, op, __VA_ARGS__);          \
         if (__lock)                                                     \
-                up_read(&__obj->lo_type_guard);                         \
+                cfs_up_read(&__obj->lo_type_guard);                     \
         __result;                                                       \
 })
 
@@ -467,12 +458,12 @@ do {                                                                    \
         enum lov_layout_type                    __llt;                  \
                                                                         \
         if (__obj->lo_owner != cfs_current())                           \
-                down_read(&__obj->lo_type_guard);                       \
+                cfs_down_read(&__obj->lo_type_guard);                   \
         __llt = __obj->lo_type;                                         \
         LASSERT(0 <= __llt && __llt < ARRAY_SIZE(lov_dispatch));        \
         lov_dispatch[__llt].op(__VA_ARGS__);                            \
         if (__obj->lo_owner != cfs_current())                           \
-                up_read(&__obj->lo_type_guard);                         \
+                cfs_up_read(&__obj->lo_type_guard);                     \
 } while (0)
 
 static int lov_layout_change(const struct lu_env *env,
@@ -509,7 +500,7 @@ static int lov_layout_change(const struct lu_env *env,
                 cl_env_reexit(cookie);
 
                 old_ops->llo_fini(env, obj, &obj->u);
-                LASSERT(list_empty(&hdr->coh_locks));
+                LASSERT(cfs_list_empty(&hdr->coh_locks));
                 LASSERT(hdr->coh_tree.rnode == NULL);
                 LASSERT(hdr->coh_pages == 0);
 
@@ -537,7 +528,7 @@ int lov_object_init(const struct lu_env *env, struct lu_object *obj,
         int result;
 
         ENTRY;
-        init_rwsem(&lov->lo_type_guard);
+        cfs_init_rwsem(&lov->lo_type_guard);
 
         /* no locking is necessary, as object is being created */
         lov->lo_type = cconf->u.coc_md->lsm != NULL ? LLT_RAID0 : LLT_EMPTY;
@@ -561,7 +552,7 @@ static int lov_conf_set(const struct lu_env *env, struct cl_object *obj,
          * Currently only LLT_EMPTY -> LLT_RAID0 transition is supported.
          */
         LASSERT(lov->lo_owner != cfs_current());
-        down_write(&lov->lo_type_guard);
+        cfs_down_write(&lov->lo_type_guard);
         LASSERT(lov->lo_owner == NULL);
         lov->lo_owner = cfs_current();
         if (lov->lo_type == LLT_EMPTY && conf->u.coc_md->lsm != NULL)
@@ -569,7 +560,7 @@ static int lov_conf_set(const struct lu_env *env, struct cl_object *obj,
         else
                 result = -EOPNOTSUPP;
         lov->lo_owner = NULL;
-        up_write(&lov->lo_type_guard);
+        cfs_up_write(&lov->lo_type_guard);
         RETURN(result);
 }