* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
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;
unsigned oap_page_off;
struct client_obd *oap_cli;
struct osc_object *oap_obj;
- struct ldlm_lock *oap_ldlm_lock;
- cfs_spinlock_t oap_lock;
+ spinlock_t oap_lock;
};
#define oap_page oap_brw_page.pg
#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;
- cfs_waitq_t ocw_waitq;
- struct osc_async_page *ocw_oap;
+ struct list_head ocw_entry;
+ wait_queue_head_t ocw_waitq;
+ struct osc_async_page *ocw_oap;
int ocw_grant;
- int ocw_rc;
+ int ocw_rc;
};
-#define OSCC_FLAG_RECOVERING 0x01
-#define OSCC_FLAG_CREATING 0x02
-#define OSCC_FLAG_NOSPC 0x04 /* can't create more objects on OST */
-#define OSCC_FLAG_SYNC_IN_PROGRESS 0x08 /* only allow one thread to sync */
-#define OSCC_FLAG_LOW 0x10
-#define OSCC_FLAG_EXITING 0x20
-#define OSCC_FLAG_DEGRADED 0x40
-#define OSCC_FLAG_RDONLY 0x80
-#define OSCC_FLAG_NOSPC_BLK 0x100 /* no more block space on OST */
-
-int osc_precreate(struct obd_export *exp);
-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_create_async(struct obd_export *exp, struct obd_info *oinfo,
- 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 oscc_init(struct obd_device *obd);
void osc_wake_cache_waiters(struct client_obd *cli);
-int osc_shrink_grant_to_target(struct client_obd *cli, long target);
+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,
- int *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);
+ __u64 *flags, ldlm_policy_data_t *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_cancel_base(struct lustre_handle *lockh, __u32 mode);
int osc_match_base(struct obd_export *exp, struct ldlm_res_id *res_id,
- __u32 type, ldlm_policy_data_t *policy, __u32 mode,
- int *flags, void *data, struct lustre_handle *lockh,
- int unref);
+ __u32 type, ldlm_policy_data_t *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,
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);
+ struct list_head *ext_list, int cmd, pdl_policy_t p);
+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);
+
+extern spinlock_t osc_ast_guard;
+extern struct lu_kmem_descr osc_caches[];
+extern struct lock_class_key osc_ast_guard_class;
-extern cfs_spinlock_t osc_ast_guard;
+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
+extern struct lprocfs_seq_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 container_of0(d->obd_lu_dev, struct osc_device, od_cl.cd_lu_dev);
}
-int osc_dlm_lock_pageref(struct ldlm_lock *dlm);
-
-int osc_quota_init(void);
-int osc_quota_exit(void);
+extern struct kmem_cache *osc_quota_kmem;
+struct osc_quota_info {
+ /** linkage for quota hash table */
+ struct hlist_node oqi_hash;
+ obd_uid oqi_id;
+};
+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);
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);
-int osc_quota_adjust_qunit(struct obd_export *exp,
- struct quota_adjust_qunit *oqaq,
- struct lustre_quota_ctxt *qctxt,
- struct ptlrpc_request_set *rqset);
+struct ldlm_lock *osc_dlmlock_at_pgoff(const struct lu_env *env,
+ struct osc_object *obj, pgoff_t index,
+ int pending, int canceling);
+void osc_inc_unstable_pages(struct ptlrpc_request *req);
+void osc_dec_unstable_pages(struct ptlrpc_request *req);
+bool osc_over_unstable_soft_limit(struct client_obd *cli);
#endif /* OSC_INTERNAL_H */