ltd->ltd_refcount--;
if (ltd->ltd_refcount == 0 && ltd->ltd_death_row) {
struct lod_tgt_desc *tgt_desc, *tmp;
- struct list_head kill;
- unsigned int idx;
+ LIST_HEAD(kill);
CDEBUG(D_CONFIG, "destroying %d ltd desc\n",
ltd->ltd_death_row);
- INIT_LIST_HEAD(&kill);
-
- cfs_foreach_bit(ltd->ltd_tgt_bitmap, idx) {
- tgt_desc = LTD_TGT(ltd, idx);
+ ltd_foreach_tgt_safe(ltd, tgt_desc, tmp) {
LASSERT(tgt_desc);
-
if (!tgt_desc->ltd_reap)
continue;
list_add(&tgt_desc->ltd_kill, &kill);
- /*FIXME: only support ost pool for now */
- if (ltd == &lod->lod_ost_descs) {
- lod_ost_pool_remove(&lod->lod_pool_info, idx);
- if (tgt_desc->ltd_active)
- lod->lod_desc.ld_active_tgt_count--;
- }
- lu_tgt_descs_del(ltd, tgt_desc);
+ lod_tgt_pool_remove(<d->ltd_tgt_pool,
+ tgt_desc->ltd_index);
+ ltd_del_tgt(ltd, tgt_desc);
ltd->ltd_death_row--;
}
mutex_unlock(<d->ltd_mutex);
list_for_each_entry_safe(tgt_desc, tmp, &kill, ltd_kill) {
int rc;
+
list_del(&tgt_desc->ltd_kill);
- if (ltd == &lod->lod_ost_descs) {
- /* remove from QoS structures */
- rc = lqos_del_tgt(&lod->lod_qos, tgt_desc);
- if (rc)
- CERROR("%s: qos_del_tgt(%s) failed:"
- "rc = %d\n",
- lod2obd(lod)->obd_name,
- obd_uuid2str(&tgt_desc->ltd_uuid),
- rc);
- }
rc = obd_disconnect(tgt_desc->ltd_exp);
if (rc)
CERROR("%s: failed to disconnect %s: rc = %d\n",
down_write(<d->ltd_rw_sem);
mutex_lock(<d->ltd_mutex);
- lu_tgt_descs_add(ltd, tgt_desc);
- if (for_ost) {
- /* pool and qos are not supported for MDS stack yet */
- rc = lod_ost_pool_add(&lod->lod_pool_info, index,
- lod->lod_osts_size);
- if (rc) {
- CERROR("%s: can't set up pool, failed with %d\n",
- obd->obd_name, rc);
- GOTO(out_mutex, rc);
- }
+ rc = ltd_add_tgt(ltd, tgt_desc);
+ if (rc)
+ GOTO(out_mutex, rc);
- rc = lqos_add_tgt(&lod->lod_qos, tgt_desc);
- if (rc) {
- CERROR("%s: qos_add_tgt failed with %d\n",
- obd->obd_name, rc);
- GOTO(out_pool, rc);
- }
+ rc = lu_qos_add_tgt(<d->ltd_qos, tgt_desc);
+ if (rc)
+ GOTO(out_del_tgt, rc);
- /* The new OST is now a full citizen */
- if (index >= lod->lod_desc.ld_tgt_count)
- lod->lod_desc.ld_tgt_count = index + 1;
- if (active)
- lod->lod_desc.ld_active_tgt_count++;
+ rc = lod_tgt_pool_add(<d->ltd_tgt_pool, index,
+ ltd->ltd_lov_desc.ld_tgt_count);
+ if (rc) {
+ CERROR("%s: can't set up pool, failed with %d\n",
+ obd->obd_name, rc);
+ GOTO(out_del_tgt, rc);
}
+
mutex_unlock(<d->ltd_mutex);
up_write(<d->ltd_rw_sem);
RETURN(rc);
out_fini_llog:
lod_sub_fini_llog(env, tgt_desc->ltd_tgt,
- tgt_desc->ltd_recovery_thread);
+ &tgt_desc->ltd_recovery_task);
out_ltd:
down_write(<d->ltd_rw_sem);
mutex_lock(<d->ltd_mutex);
- if (!for_ost && LTD_TGT(ltd, index)->ltd_recovery_thread != NULL) {
- struct ptlrpc_thread *thread;
-
- thread = LTD_TGT(ltd, index)->ltd_recovery_thread;
- OBD_FREE_PTR(thread);
- }
-out_pool:
- lod_ost_pool_remove(&lod->lod_pool_info, index);
+ lod_tgt_pool_remove(<d->ltd_tgt_pool, index);
+out_del_tgt:
+ ltd_del_tgt(ltd, tgt_desc);
out_mutex:
- lu_tgt_descs_del(ltd, tgt_desc);
mutex_unlock(<d->ltd_mutex);
up_write(<d->ltd_rw_sem);
OBD_FREE_PTR(tgt_desc);
* \param[in] env execution environment for this thread
* \param[in] lod LOD device the target table belongs to
* \param[in] ltd target table
- * \param[in] idx index of the target
- * \param[in] for_ost type of the target: 0 - MDT, 1 - OST
+ * \param[in] tgt target
*/
static void __lod_del_device(const struct lu_env *env, struct lod_device *lod,
- struct lod_tgt_descs *ltd, unsigned idx,
- bool for_ost)
+ struct lod_tgt_descs *ltd, struct lu_tgt_desc *tgt)
{
- LASSERT(LTD_TGT(ltd, idx));
-
- lfsck_del_target(env, lod->lod_child, LTD_TGT(ltd, idx)->ltd_tgt,
- idx, for_ost);
-
- if (!for_ost && LTD_TGT(ltd, idx)->ltd_recovery_thread != NULL) {
- struct ptlrpc_thread *thread;
+ lfsck_del_target(env, lod->lod_child, tgt->ltd_tgt, tgt->ltd_index,
+ !ltd->ltd_is_mdt);
- thread = LTD_TGT(ltd, idx)->ltd_recovery_thread;
- OBD_FREE_PTR(thread);
- }
-
- if (LTD_TGT(ltd, idx)->ltd_reap == 0) {
- LTD_TGT(ltd, idx)->ltd_reap = 1;
+ if (!tgt->ltd_reap) {
+ tgt->ltd_reap = 1;
ltd->ltd_death_row++;
}
}
* \param[in] env execution environment for this thread
* \param[in] lod LOD device the target table belongs to
* \param[in] ltd target table
- * \param[in] for_ost type of the target: MDT or OST
*
* \retval 0 always
*/
int lod_fini_tgt(const struct lu_env *env, struct lod_device *lod,
- struct lod_tgt_descs *ltd, bool for_ost)
+ struct lod_tgt_descs *ltd)
{
- unsigned int idx;
+ struct lu_tgt_desc *tgt;
if (ltd->ltd_tgts_size <= 0)
return 0;
lod_getref(ltd);
mutex_lock(<d->ltd_mutex);
- cfs_foreach_bit(ltd->ltd_tgt_bitmap, idx)
- __lod_del_device(env, lod, ltd, idx, for_ost);
+ ltd_foreach_tgt(ltd, tgt)
+ __lod_del_device(env, lod, ltd, tgt);
mutex_unlock(<d->ltd_mutex);
lod_putref(lod, ltd);
* \param[in] osp name of OSP device to be removed
* \param[in] idx index of the target
* \param[in] gen generation number, not used currently
- * \param[in] for_ost type of the target: 0 - MDT, 1 - OST
*
* \retval 0 if the device was scheduled for removal
* \retval -EINVAL if no device was found
*/
int lod_del_device(const struct lu_env *env, struct lod_device *lod,
- struct lod_tgt_descs *ltd, char *osp, unsigned idx,
- unsigned gen, bool for_ost)
+ struct lod_tgt_descs *ltd, char *osp, unsigned int idx,
+ unsigned int gen)
{
struct obd_device *obd;
- int rc = 0;
- struct obd_uuid uuid;
+ struct lu_tgt_desc *tgt;
+ struct obd_uuid uuid;
+ int rc = 0;
+
ENTRY;
CDEBUG(D_CONFIG, "osp:%s idx:%d gen:%d\n", osp, idx, gen);
lod_getref(ltd);
mutex_lock(<d->ltd_mutex);
+ tgt = LTD_TGT(ltd, idx);
/* check that the index is allocated in the bitmap */
- if (!cfs_bitmap_check(ltd->ltd_tgt_bitmap, idx) ||
- !LTD_TGT(ltd, idx)) {
+ if (!cfs_bitmap_check(ltd->ltd_tgt_bitmap, idx) || !tgt) {
CERROR("%s: device %d is not set up\n", obd->obd_name, idx);
GOTO(out, rc = -EINVAL);
}
/* check that the UUID matches */
- if (!obd_uuid_equals(&uuid, <D_TGT(ltd, idx)->ltd_uuid)) {
+ if (!obd_uuid_equals(&uuid, &tgt->ltd_uuid)) {
CERROR("%s: LOD target UUID %s at index %d does not match %s\n",
- obd->obd_name, obd_uuid2str(<D_TGT(ltd,idx)->ltd_uuid),
- idx, osp);
+ obd->obd_name, obd_uuid2str(&tgt->ltd_uuid), idx, osp);
GOTO(out, rc = -EINVAL);
}
- __lod_del_device(env, lod, ltd, idx, for_ost);
+ __lod_del_device(env, lod, ltd, tgt);
EXIT;
out:
mutex_unlock(<d->ltd_mutex);
return -EINVAL;
}
- if (unlikely(OST_TGT(md, idx)->ltd_ost == NULL)) {
+ if (unlikely(OST_TGT(md, idx)->ltd_tgt == NULL)) {
CERROR("%s: invalid lod device, for idx: %d\n",
lod2obd(md)->obd_name , idx);
return -EINVAL;
GOTO(out, rc);
}
- nd = &OST_TGT(md,idx)->ltd_ost->dd_lu_dev;
+ nd = &OST_TGT(md, idx)->ltd_tgt->dd_lu_dev;
lod_putref(md, &md->lod_ost_descs);
/* In the function below, .hs_keycmp resolves to
if (!is_from_disk && stripe_offset != LOV_OFFSET_DEFAULT &&
lov_pattern(le32_to_cpu(lum->lmm_pattern)) != LOV_PATTERN_MDT) {
/* if offset is not within valid range [0, osts_size) */
- if (stripe_offset >= d->lod_osts_size) {
+ if (stripe_offset >= d->lod_ost_descs.ltd_tgts_size) {
CDEBUG(D_LAYOUT, "stripe offset %u >= bitmap size %u\n",
- stripe_offset, d->lod_osts_size);
+ stripe_offset, d->lod_ost_descs.ltd_tgts_size);
GOTO(out, rc = -EINVAL);
}
int lod_verify_striping(struct lod_device *d, struct lod_object *lo,
const struct lu_buf *buf, bool is_from_disk)
{
- struct lov_desc *desc = &d->lod_desc;
+ struct lov_desc *desc = &d->lod_ost_descs.ltd_lov_desc;
struct lov_user_md_v1 *lum;
struct lov_comp_md_v1 *comp_v1;
struct lov_comp_md_entry_v1 *ent;
RETURN(rc);
}
}
+ /* Any stripe count is forbidden on DoM component */
+ if (lum->lmm_stripe_count) {
+ CDEBUG(D_LAYOUT,
+ "invalid DoM layout stripe count %u, must be 0\n",
+ le16_to_cpu(lum->lmm_stripe_count));
+ RETURN(-EINVAL);
+ }
+
+ /* Any pool is forbidden on DoM component */
+ if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
+ struct lov_user_md_v3 *v3 = (void *)lum;
+
+ if (v3->lmm_pool_name[0] != '\0') {
+ CDEBUG(D_LAYOUT,
+ "DoM component cannot have pool assigned\n");
+ RETURN(-EINVAL);
+ }
+ }
}
prev_end = le64_to_cpu(ext->e_end);
}
}
+void lod_fix_lmv_desc_pattern(__u32 *val)
+{
+ if ((*val) && !lmv_is_known_hash_type(*val)) {
+ LCONSOLE_WARN("lod: Unknown md stripe pattern: %#x\n", *val);
+ *val = 0;
+ }
+}
+
void lod_fix_desc_qos_maxage(__u32 *val)
{
/* fix qos_maxage */
lod_fix_desc_qos_maxage(&desc->ld_qos_maxage);
}
+static void lod_fix_lmv_desc(struct lmv_desc *desc)
+{
+ desc->ld_active_tgt_count = 0;
+ lod_fix_desc_stripe_count(&desc->ld_default_stripe_count);
+ lod_fix_lmv_desc_pattern(&desc->ld_pattern);
+ lod_fix_desc_qos_maxage(&desc->ld_qos_maxage);
+}
+
/**
* Initialize the structures used to store pools and default striping.
*
lod_fix_desc(desc);
desc->ld_active_tgt_count = 0;
- lod->lod_desc = *desc;
-
- lod->lod_sp_me = LUSTRE_SP_CLI;
+ lod->lod_ost_descs.ltd_lov_desc = *desc;
- /* Set up allocation policy (QoS and RR) */
- INIT_LIST_HEAD(&lod->lod_qos.lq_svr_list);
- init_rwsem(&lod->lod_qos.lq_rw_sem);
- lod->lod_qos.lq_dirty = 1;
- lod->lod_qos.lq_reset = 1;
- /* Default priority is toward free space balance */
- lod->lod_qos.lq_prio_free = 232;
- /* Default threshold for rr (roughly 17%) */
- lod->lod_qos.lq_threshold_rr = 43;
+ /* NB: config doesn't contain lmv_desc, alter it via sysfs. */
+ lod_fix_lmv_desc(&lod->lod_mdt_descs.ltd_lmv_desc);
- lu_qos_rr_init(&lod->lod_qos.lq_rr);
+ lod->lod_sp_me = LUSTRE_SP_CLI;
/* Set up OST pool environment */
- lod->lod_pools_hash_body = cfs_hash_create("POOLS", HASH_POOLS_CUR_BITS,
- HASH_POOLS_MAX_BITS,
- HASH_POOLS_BKT_BITS, 0,
- CFS_HASH_MIN_THETA,
- CFS_HASH_MAX_THETA,
- &pool_hash_operations,
- CFS_HASH_DEFAULT);
- if (lod->lod_pools_hash_body == NULL)
+ lod->lod_pool_count = 0;
+ rc = lod_pool_hash_init(&lod->lod_pools_hash_body);
+ if (rc)
RETURN(-ENOMEM);
INIT_LIST_HEAD(&lod->lod_pool_list);
lod->lod_pool_count = 0;
- rc = lod_ost_pool_init(&lod->lod_pool_info, 0);
+ rc = lod_tgt_pool_init(&lod->lod_mdt_descs.ltd_tgt_pool, 0);
if (rc)
GOTO(out_hash, rc);
- rc = lod_ost_pool_init(&lod->lod_qos.lq_rr.lqr_pool, 0);
+
+ rc = lod_tgt_pool_init(&lod->lod_mdt_descs.ltd_qos.lq_rr.lqr_pool, 0);
+ if (rc)
+ GOTO(out_mdt_pool, rc);
+
+ rc = lod_tgt_pool_init(&lod->lod_ost_descs.ltd_tgt_pool, 0);
+ if (rc)
+ GOTO(out_mdt_rr_pool, rc);
+
+ rc = lod_tgt_pool_init(&lod->lod_ost_descs.ltd_qos.lq_rr.lqr_pool, 0);
if (rc)
- GOTO(out_pool_info, rc);
+ GOTO(out_ost_pool, rc);
RETURN(0);
-out_pool_info:
- lod_ost_pool_free(&lod->lod_pool_info);
+out_ost_pool:
+ lod_tgt_pool_free(&lod->lod_ost_descs.ltd_tgt_pool);
+out_mdt_rr_pool:
+ lod_tgt_pool_free(&lod->lod_mdt_descs.ltd_qos.lq_rr.lqr_pool);
+out_mdt_pool:
+ lod_tgt_pool_free(&lod->lod_mdt_descs.ltd_tgt_pool);
out_hash:
- cfs_hash_putref(lod->lod_pools_hash_body);
+ lod_pool_hash_destroy(&lod->lod_pools_hash_body);
return rc;
}
lod_pool_del(obd, pool->pool_name);
}
- cfs_hash_putref(lod->lod_pools_hash_body);
- lod_ost_pool_free(&(lod->lod_qos.lq_rr.lqr_pool));
- lod_ost_pool_free(&lod->lod_pool_info);
+ lod_pool_hash_destroy(&lod->lod_pools_hash_body);
+ lod_tgt_pool_free(&lod->lod_ost_descs.ltd_qos.lq_rr.lqr_pool);
+ lod_tgt_pool_free(&lod->lod_ost_descs.ltd_tgt_pool);
+ lod_tgt_pool_free(&lod->lod_mdt_descs.ltd_qos.lq_rr.lqr_pool);
+ lod_tgt_pool_free(&lod->lod_mdt_descs.ltd_tgt_pool);
RETURN(0);
}