obd_enqueue_update_f oi_cb_up;
};
-void lov_stripe_lock(struct lov_stripe_md *md);
-void lov_stripe_unlock(struct lov_stripe_md *md);
-
struct obd_type {
struct list_head typ_chain;
struct obd_ops *typ_dt_ops;
struct rw_semaphore op_rw_sem; /* to protect ost_pool use */
};
-/* Round-robin allocator data */
-struct lov_qos_rr {
- __u32 lqr_start_idx; /* start index of new inode */
- __u32 lqr_offset_idx; /* aliasing for start_idx */
- int lqr_start_count; /* reseed counter */
- struct ost_pool lqr_pool; /* round-robin optimized list */
- unsigned long lqr_dirty:1; /* recalc round-robin list */
-};
-
/* allow statfs data caching for 1 second */
#define OBD_STATFS_CACHE_SECONDS 1
-struct lov_statfs_data {
- struct obd_info lsd_oi;
- struct obd_statfs lsd_statfs;
-};
-
-/* Stripe placement optimization */
-struct lov_qos {
- struct list_head lq_oss_list; /* list of OSSs that targets use */
- struct rw_semaphore lq_rw_sem;
- __u32 lq_active_oss_count;
- unsigned int lq_prio_free; /* priority for free space */
- unsigned int lq_threshold_rr;/* priority for rr */
- struct lov_qos_rr lq_rr; /* round robin qos data */
- unsigned long lq_dirty:1, /* recalc qos data */
- lq_same_space:1,/* the ost's all have approx.
- * the same space avail
- */
- lq_reset:1, /* zero current penalties */
- lq_statfs_in_progress:1; /* statfs op in
- progress */
- /* qos statfs data */
- struct lov_statfs_data *lq_statfs_data;
- wait_queue_head_t lq_statfs_waitq; /* waitqueue to notify statfs
- * requests completion
- */
-};
-
struct lov_tgt_desc {
struct list_head ltd_kill;
struct obd_uuid ltd_uuid;
ltd_reap:1; /* should this target be deleted */
};
-/* Pool metadata */
-#define pool_tgt_size(_p) _p->pool_obds.op_size
-#define pool_tgt_count(_p) _p->pool_obds.op_count
-#define pool_tgt_array(_p) _p->pool_obds.op_array
-#define pool_tgt_rw_sem(_p) _p->pool_obds.op_rw_sem
-
-struct pool_desc {
- char pool_name[LOV_MAXPOOLNAME + 1]; /* name of pool */
- struct ost_pool pool_obds; /* pool members */
- atomic_t pool_refcount; /* pool ref. counter */
- struct lov_qos_rr pool_rr; /* round robin qos */
- struct hlist_node pool_hash; /* access by poolname */
- struct list_head pool_list; /* serial access */
- struct dentry *pool_debugfs_entry; /* file in debugfs */
- struct obd_device *pool_lobd; /* obd of the lov/lod to which
- * this pool belongs
- */
-};
-
struct lov_obd {
struct lov_desc desc;
struct lov_tgt_desc **lov_tgts; /* sparse array */
struct mutex lov_lock;
struct obd_connect_data lov_ocd;
atomic_t lov_refcount;
- __u32 lov_tgt_count; /* how many OBD's */
- __u32 lov_active_tgt_count; /* how many active */
__u32 lov_death_row;/* tgts scheduled to be deleted */
__u32 lov_tgt_size; /* size of tgts array */
int lov_connects;
})
#endif
+#define pool_tgt_size(p) ((p)->pool_obds.op_size)
+#define pool_tgt_count(p) ((p)->pool_obds.op_count)
+#define pool_tgt_array(p) ((p)->pool_obds.op_array)
+#define pool_tgt_rw_sem(p) ((p)->pool_obds.op_rw_sem)
+
+struct pool_desc {
+ char pool_name[LOV_MAXPOOLNAME + 1];
+ struct ost_pool pool_obds;
+ atomic_t pool_refcount;
+ struct hlist_node pool_hash; /* access by poolname */
+ struct list_head pool_list; /* serial access */
+ struct dentry *pool_debugfs_entry; /* file in debugfs */
+ struct obd_device *pool_lobd; /* owner */
+};
+
struct lov_request {
struct obd_info rq_oi;
struct lov_request_set *rq_rqset;
pgoff_t lov_stripe_pgoff(struct lov_stripe_md *lsm, pgoff_t stripe_index,
int stripe);
-/* lov_qos.c */
-#define LOV_USES_ASSIGNED_STRIPE 0
-#define LOV_USES_DEFAULT_STRIPE 1
-
/* lov_request.c */
int lov_update_common_set(struct lov_request_set *set,
struct lov_request *req, int rc);
int lov_statfs_interpret(struct ptlrpc_request_set *rqset, void *data, int rc);
/* lov_obd.c */
+void lov_stripe_lock(struct lov_stripe_md *md);
+void lov_stripe_unlock(struct lov_stripe_md *md);
void lov_fix_desc(struct lov_desc *desc);
void lov_fix_desc_stripe_size(__u64 *val);
void lov_fix_desc_stripe_count(__u32 *val);
LASSERT(md->lsm_lock_owner == 0);
md->lsm_lock_owner = current_pid();
}
-EXPORT_SYMBOL(lov_stripe_lock);
void lov_stripe_unlock(struct lov_stripe_md *md)
__releases(&md->lsm_lock)
md->lsm_lock_owner = 0;
spin_unlock(&md->lsm_lock);
}
-EXPORT_SYMBOL(lov_stripe_unlock);
static int lov_quotactl(struct obd_device *obd, struct obd_export *exp,
struct obd_quotactl *oqctl)
LASSERT(hlist_unhashed(&pool->pool_hash));
LASSERT(list_empty(&pool->pool_list));
LASSERT(!pool->pool_debugfs_entry);
- lov_ost_pool_free(&(pool->pool_rr.lqr_pool));
lov_ost_pool_free(&(pool->pool_obds));
kfree(pool);
}
if (rc)
goto out_err;
- memset(&(new_pool->pool_rr), 0, sizeof(struct lov_qos_rr));
- rc = lov_ost_pool_init(&new_pool->pool_rr.lqr_pool, 0);
- if (rc)
- goto out_free_pool_obds;
-
INIT_HLIST_NODE(&new_pool->pool_hash);
/* get ref for debugfs file */
list_del_init(&new_pool->pool_list);
lov->lov_pool_count--;
spin_unlock(&obd->obd_dev_lock);
-
ldebugfs_remove(&new_pool->pool_debugfs_entry);
-
- lov_ost_pool_free(&new_pool->pool_rr.lqr_pool);
-out_free_pool_obds:
lov_ost_pool_free(&new_pool->pool_obds);
kfree(new_pool);
+
return rc;
}
if (rc)
goto out;
- pool->pool_rr.lqr_dirty = 1;
-
CDEBUG(D_CONFIG, "Added %s to "LOV_POOLNAMEF" as member %d\n",
ostname, poolname, pool_tgt_count(pool));
lov_ost_pool_remove(&pool->pool_obds, lov_idx);
- pool->pool_rr.lqr_dirty = 1;
-
CDEBUG(D_CONFIG, "%s removed from "LOV_POOLNAMEF"\n", ostname,
poolname);