* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define OAP_MAGIC 8675309
+extern atomic_t osc_pool_req_count;
+extern unsigned int osc_reqpool_maxreqcount;
+extern struct ptlrpc_request_pool *osc_rq_pool;
+
struct lu_env;
enum async_flags {
unsigned short oap_cmd;
unsigned short oap_interrupted:1;
- cfs_list_t oap_pending_item;
- cfs_list_t oap_rpc_item;
+ struct list_head oap_pending_item;
+ struct list_head oap_rpc_item;
- obd_off oap_obj_off;
+ loff_t oap_obj_off;
unsigned oap_page_off;
enum async_flags oap_async_flags;
struct client_obd *oap_cli;
struct osc_object *oap_obj;
- struct ldlm_lock *oap_ldlm_lock;
spinlock_t oap_lock;
};
#define oap_count oap_brw_page.count
#define oap_brw_flags oap_brw_page.flag
+static inline struct osc_async_page *brw_page2oap(struct brw_page *pga)
+{
+ return (struct osc_async_page *)container_of(pga, struct osc_async_page,
+ oap_brw_page);
+}
+
struct osc_cache_waiter {
- cfs_list_t ocw_entry;
- wait_queue_head_t ocw_waitq;
+ struct list_head ocw_entry;
+ wait_queue_head_t ocw_waitq;
struct osc_async_page *ocw_oap;
int ocw_grant;
int ocw_rc;
};
-int osc_create(const struct lu_env *env, struct obd_export *exp,
- struct obdo *oa, struct lov_stripe_md **ea,
- struct obd_trans_info *oti);
-int osc_real_create(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md **ea, struct obd_trans_info *oti);
void osc_wake_cache_waiters(struct client_obd *cli);
int osc_shrink_grant_to_target(struct client_obd *cli, __u64 target_bytes);
void osc_update_next_shrink(struct client_obd *cli);
extern struct ptlrpc_request_set *PTLRPCD_SET;
+typedef int (*osc_enqueue_upcall_f)(void *cookie, struct lustre_handle *lockh,
+ int rc);
+
int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id,
- __u64 *flags, ldlm_policy_data_t *policy,
- struct ost_lvb *lvb, int kms_valid,
- obd_enqueue_update_f upcall,
- void *cookie, struct ldlm_enqueue_info *einfo,
- struct lustre_handle *lockh,
- struct ptlrpc_request_set *rqset, int async, int agl);
-int osc_cancel_base(struct lustre_handle *lockh, __u32 mode);
+ __u64 *flags, union ldlm_policy_data *policy,
+ struct ost_lvb *lvb, int kms_valid,
+ osc_enqueue_upcall_f upcall,
+ void *cookie, struct ldlm_enqueue_info *einfo,
+ struct ptlrpc_request_set *rqset, int async, int agl);
int osc_match_base(struct obd_export *exp, struct ldlm_res_id *res_id,
- __u32 type, ldlm_policy_data_t *policy, __u32 mode,
+ __u32 type, union ldlm_policy_data *policy, __u32 mode,
__u64 *flags, void *data, struct lustre_handle *lockh,
int unref);
-int osc_setattr_async_base(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
- obd_enqueue_update_f upcall, void *cookie,
- struct ptlrpc_request_set *rqset);
-int osc_punch_base(struct obd_export *exp, struct obd_info *oinfo,
+int osc_setattr_async(struct obd_export *exp, struct obdo *oa,
+ obd_enqueue_update_f upcall, void *cookie,
+ struct ptlrpc_request_set *rqset);
+int osc_punch_base(struct obd_export *exp, struct obdo *oa,
obd_enqueue_update_f upcall, void *cookie,
struct ptlrpc_request_set *rqset);
-int osc_sync_base(struct obd_export *exp, struct obd_info *oinfo,
+int osc_sync_base(struct osc_object *obj, struct obdo *oa,
obd_enqueue_update_f upcall, void *cookie,
struct ptlrpc_request_set *rqset);
int osc_process_config_base(struct obd_device *obd, struct lustre_cfg *cfg);
int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
- cfs_list_t *ext_list, int cmd, pdl_policy_t p);
-int osc_lru_shrink(struct client_obd *cli, int target);
+ struct list_head *ext_list, int cmd);
+long osc_lru_shrink(const struct lu_env *env, struct client_obd *cli,
+ long target, bool force);
+long osc_lru_reclaim(struct client_obd *cli, unsigned long npages);
extern spinlock_t osc_ast_guard;
+extern struct lu_kmem_descr osc_caches[];
+extern struct lock_class_key osc_ast_guard_class;
+
+unsigned long osc_ldlm_weigh_ast(struct ldlm_lock *dlmlock);
int osc_cleanup(struct obd_device *obd);
int osc_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
+extern struct lprocfs_vars lprocfs_osc_obd_vars[];
int lproc_osc_attach_seqstat(struct obd_device *dev);
-void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars);
#else
static inline int lproc_osc_attach_seqstat(struct obd_device *dev) {return 0;}
-static inline void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars)
-{
- memset(lvars, 0, sizeof(*lvars));
-}
#endif
extern struct lu_device_type osc_device_type;
return cli->cl_r_in_flight + cli->cl_w_in_flight;
}
+static inline char *cli_name(struct client_obd *cli)
+{
+ return cli->cl_import->imp_obd->obd_name;
+}
+
#ifndef min_t
#define min_t(type,x,y) \
({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
return container_of0(d->obd_lu_dev, struct osc_device, od_cl.cd_lu_dev);
}
-int osc_dlm_lock_pageref(struct ldlm_lock *dlm);
-
extern struct kmem_cache *osc_quota_kmem;
struct osc_quota_info {
- /** linkage for quota hash table */
- cfs_hlist_node_t oqi_hash;
- obd_uid oqi_id;
+ /** linkage for quota hash table */
+ struct hlist_node oqi_hash;
+ u32 oqi_id;
+};
+
+struct osc_async_args {
+ struct obd_info *aa_oi;
};
+
int osc_quota_setup(struct obd_device *obd);
int osc_quota_cleanup(struct obd_device *obd);
int osc_quota_setdq(struct client_obd *cli, const unsigned int qid[],
- obd_flag valid, obd_flag flags);
+ u64 valid, u32 flags);
int osc_quota_chkdq(struct client_obd *cli, const unsigned int qid[]);
int osc_quotactl(struct obd_device *unused, struct obd_export *exp,
struct obd_quotactl *oqctl);
-int osc_quotacheck(struct obd_device *unused, struct obd_export *exp,
- struct obd_quotactl *oqctl);
-int osc_quota_poll_check(struct obd_export *exp, struct if_quotacheck *qchk);
-
void osc_inc_unstable_pages(struct ptlrpc_request *req);
void osc_dec_unstable_pages(struct ptlrpc_request *req);
-int osc_over_unstable_soft_limit(struct client_obd *cli);
+bool osc_over_unstable_soft_limit(struct client_obd *cli);
+/**
+ * Bit flags for osc_dlm_lock_at_pageoff().
+ */
+enum osc_dap_flags {
+ /**
+ * Just check if the desired lock exists, it won't hold reference
+ * count on lock.
+ */
+ OSC_DAP_FL_TEST_LOCK = 1 << 0,
+ /**
+ * Return the lock even if it is being canceled.
+ */
+ OSC_DAP_FL_CANCELING = 1 << 1
+};
+struct ldlm_lock *osc_dlmlock_at_pgoff(const struct lu_env *env,
+ struct osc_object *obj, pgoff_t index,
+ enum osc_dap_flags flags);
+void osc_pack_req_body(struct ptlrpc_request *req, struct obdo *oa);
+int osc_object_invalidate(const struct lu_env *env, struct osc_object *osc);
#endif /* OSC_INTERNAL_H */