* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
struct osp_id_tracker {
spinlock_t otr_lock;
- __u32 otr_next_id;
- __u32 otr_committed_id;
+ __u64 otr_next_id;
+ __u64 otr_committed_id;
/* callback is register once per diskfs -- that's the whole point */
struct dt_txn_callback otr_tx_cb;
/* single node can run many clusters */
wait_queue_head_t osp_pre_user_waitq;
/* current precreation status: working, failed, stopping? */
int osp_pre_status;
- /* how many to precreate next time */
- int osp_pre_grow_count;
- int osp_pre_min_grow_count;
- int osp_pre_max_grow_count;
- /* whether to grow precreation window next time or not */
- int osp_pre_grow_slow;
+ /* how many objects to precreate next time */
+ int osp_pre_create_count;
+ int osp_pre_min_create_count;
+ int osp_pre_max_create_count;
+ /* whether to increase precreation window next time or not */
+ int osp_pre_create_slow;
/* cleaning up orphans or recreating missing objects */
int osp_pre_recovering;
};
-/**
- * Tracking the updates being executed on this dt_device.
- */
+struct osp_update_request_sub {
+ struct object_update_request *ours_req; /* may be vmalloc'd */
+ size_t ours_req_size;
+ /* Linked to osp_update_request->our_req_list */
+ struct list_head ours_list;
+};
+
struct osp_update_request {
int our_flags;
/* update request result */
int our_rc;
- /* Holding object updates sent to the remote target */
- struct object_update_request *our_req;
- size_t our_req_size;
+ /* List of osp_update_request_sub */
+ struct list_head our_req_list;
+ int our_req_nr;
+ int our_update_nr;
struct list_head our_cb_items;
/* points to thandle if this update request belongs to one */
struct osp_thandle *our_th;
+
+ __u64 our_version;
+ /* protect our_list and flag */
+ spinlock_t our_list_lock;
/* linked to the list(ou_list) in osp_updates */
struct list_head our_list;
- __u32 our_req_sent:1;
+ __u32 our_batchid;
+ __u32 our_req_ready:1;
+
};
struct osp_updates {
/* found records */
struct ptlrpc_thread opd_syn_thread;
wait_queue_head_t opd_syn_waitq;
+ /* list of inflight rpc */
+ struct list_head opd_syn_inflight_list;
/* list of remotely committed rpc */
struct list_head opd_syn_committed_there;
/* number of changes being under sync */
/* osd api's commit cb control structure */
struct dt_txn_callback opd_syn_txn_cb;
/* last used change number -- semantically similar to transno */
- unsigned long opd_syn_last_used_id;
+ __u64 opd_syn_last_used_id;
/* last committed change number -- semantically similar to
* last_committed */
- unsigned long opd_syn_last_committed_id;
+ __u64 opd_syn_last_committed_id;
/* last processed (taken from llog) id */
- unsigned long opd_syn_last_processed_id;
+ __u64 opd_syn_last_processed_id;
struct osp_id_tracker *opd_syn_tracker;
struct list_head opd_syn_ontrack;
/* stop processing new requests until barrier=0 */
#define opd_pre_reserved opd_pre->osp_pre_reserved
#define opd_pre_user_waitq opd_pre->osp_pre_user_waitq
#define opd_pre_status opd_pre->osp_pre_status
-#define opd_pre_grow_count opd_pre->osp_pre_grow_count
-#define opd_pre_min_grow_count opd_pre->osp_pre_min_grow_count
-#define opd_pre_max_grow_count opd_pre->osp_pre_max_grow_count
-#define opd_pre_grow_slow opd_pre->osp_pre_grow_slow
+#define opd_pre_create_count opd_pre->osp_pre_create_count
+#define opd_pre_min_create_count opd_pre->osp_pre_min_create_count
+#define opd_pre_max_create_count opd_pre->osp_pre_max_create_count
+#define opd_pre_create_slow opd_pre->osp_pre_create_slow
#define opd_pre_recovering opd_pre->osp_pre_recovering
extern struct kmem_cache *osp_object_kmem;
struct lu_object_header opo_header;
struct dt_object opo_obj;
unsigned int opo_reserved:1,
- opo_non_exist:1;
+ opo_non_exist:1,
+ opo_stale:1;
/* read/write lock for md osp object */
struct rw_semaphore opo_sem;
struct list_head ot_stop_dcb_list;
struct osp_update_request *ot_our;
atomic_t ot_refcount;
- __u64 ot_version;
};
static inline struct osp_thandle *
}
struct osp_txn_info {
- __u32 oti_current_id;
+ __u64 oti_current_id;
};
extern struct lu_context_key osp_txn_key;
int osp_extend_update_buffer(const struct lu_env *env,
struct osp_update_request *our);
-#define osp_update_rpc_pack(env, name, update, op, ...) \
-({ \
- struct object_update *object_update; \
- size_t max_update_length; \
- struct object_update_request *ureq; \
- int ret; \
- \
+struct osp_update_request_sub *
+osp_current_object_update_request(struct osp_update_request *our);
+
+int osp_object_update_request_create(struct osp_update_request *our,
+ size_t size);
+
+#define osp_update_rpc_pack(env, name, our, op, ...) \
+({ \
+ struct object_update *object_update; \
+ size_t max_update_length; \
+ struct osp_update_request_sub *ours; \
+ int ret; \
+ \
while (1) { \
- ureq = update->our_req; \
- max_update_length = update->our_req_size - \
- object_update_request_size(ureq); \
+ ours = osp_current_object_update_request(our); \
+ LASSERT(ours != NULL); \
+ max_update_length = ours->ours_req_size - \
+ object_update_request_size(ours->ours_req); \
\
- object_update = update_buffer_get_update(ureq, \
- ureq->ourq_count); \
+ object_update = update_buffer_get_update(ours->ours_req,\
+ ours->ours_req->ourq_count); \
ret = out_##name##_pack(env, object_update, \
- max_update_length, \
+ &max_update_length, \
__VA_ARGS__); \
if (ret == -E2BIG) { \
int rc1; \
- /* extend the buffer and retry */ \
- rc1 = osp_extend_update_buffer(env, update); \
+ /* Create new object update request */ \
+ rc1 = osp_object_update_request_create(our, \
+ max_update_length + \
+ offsetof(struct object_update_request, \
+ ourq_updates[0]) + 1); \
if (rc1 != 0) { \
ret = rc1; \
break; \
} \
+ continue; \
} else { \
if (ret == 0) { \
+ ours->ours_req->ourq_count++; \
+ (our)->our_update_nr++; \
+ object_update->ou_batchid = \
+ (our)->our_batchid;\
object_update->ou_flags |= \
- update->our_flags; \
- ureq->ourq_count++; \
+ (our)->our_flags; \
} \
break; \
} \
/* osp_trans.c */
int osp_insert_async_request(const struct lu_env *env, enum update_type op,
struct osp_object *obj, int count, __u16 *lens,
- const void **bufs, void *data,
+ const void **bufs, void *data, __u32 repsize,
osp_update_interpreter_t interpreter);
int osp_unplug_async_request(const struct lu_env *env,
void osp_update_request_destroy(struct osp_update_request *update);
int osp_send_update_thread(void *arg);
-int osp_check_and_set_rpc_version(struct osp_thandle *oth);
+int osp_check_and_set_rpc_version(struct osp_thandle *oth,
+ struct osp_object *obj);
void osp_thandle_destroy(struct osp_thandle *oth);
static inline void osp_thandle_get(struct osp_thandle *oth)
}
int osp_prep_update_req(const struct lu_env *env, struct obd_import *imp,
- const struct object_update_request *ureq,
+ struct osp_update_request *our,
struct ptlrpc_request **reqp);
int osp_remote_sync(const struct lu_env *env, struct osp_device *osp,
struct osp_update_request *update,
struct osp_device *osp);
void osp_trans_callback(const struct lu_env *env,
struct osp_thandle *oth, int rc);
+void osp_invalidate_request(struct osp_device *osp);
/* osp_object.c */
int osp_attr_get(const struct lu_env *env, struct dt_object *dt,
struct lu_attr *attr);