* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lu_ref.h>
#include <lustre_lib.h>
#include <lustre_export.h>
-#include <lustre_quota.h>
#include <lustre_fld.h>
#include <lustre_capa.h>
struct lov_stripe_md {
cfs_atomic_t lsm_refc;
- cfs_spinlock_t lsm_lock;
+ spinlock_t lsm_lock;
pid_t lsm_lock_owner; /* debugging */
/* maximum possible file size, might change as OSTs status changes,
- while stats, the flags used for control delay/resend.
- while setattr, the flags used for distinguish punch operation
*/
- int oi_flags;
+ __u64 oi_flags;
/* Lock handle specific for every OSC lock. */
struct lustre_handle *oi_lockh;
/* lsm data specific for every OSC. */
char *typ_name;
int typ_refcnt;
struct lu_device_type *typ_lu;
- cfs_spinlock_t obd_type_lock;
+ spinlock_t obd_type_lock;
};
struct brw_page {
struct lu_target *obt_lut;
#endif
__u64 obt_mount_count;
- cfs_semaphore_t obt_quotachecking;
- struct lustre_quota_ctxt obt_qctxt;
- lustre_quota_version_t obt_qfmt;
- cfs_rw_semaphore_t obt_rwsem;
+ struct rw_semaphore obt_rwsem;
struct vfsmount *obt_vfsmnt;
struct file *obt_health_check_filp;
struct osd_properties obt_osd_properties;
cfs_dentry_t *fo_dentry_O;
cfs_dentry_t **fo_dentry_O_groups;
struct filter_subdirs *fo_dentry_O_sub;
- cfs_mutex_t fo_init_lock; /* group initialization lock */
- int fo_committed_group;
+ struct mutex fo_init_lock; /* group initialization lock*/
+ int fo_committed_group;
- cfs_spinlock_t fo_objidlock; /* protect fo_lastobjid */
+ spinlock_t fo_objidlock; /* protect fo_lastobjid */
- unsigned long fo_destroys_in_progress;
- cfs_mutex_t fo_create_locks[FILTER_SUBDIR_COUNT];
+ unsigned long fo_destroys_in_progress;
+ struct mutex fo_create_locks[FILTER_SUBDIR_COUNT];
cfs_list_t fo_export_list;
int fo_subdir_count;
int fo_tot_granted_clients;
obd_size fo_readcache_max_filesize;
- cfs_spinlock_t fo_flags_lock;
+ spinlock_t fo_flags_lock;
unsigned int fo_read_cache:1, /**< enable read-only cache */
fo_writethrough_cache:1,/**< read cache writes */
fo_mds_ost_sync:1, /**< MDS-OST orphan recovery*/
__u64 *fo_last_objids; /* last created objid for groups,
* protected by fo_objidlock */
- cfs_mutex_t fo_alloc_lock;
+ struct mutex fo_alloc_lock;
cfs_atomic_t fo_r_in_flight;
cfs_atomic_t fo_w_in_flight;
*/
struct cfs_hash *fo_iobuf_hash;
- cfs_list_t fo_llog_list;
- cfs_spinlock_t fo_llog_list_lock;
+ cfs_list_t fo_llog_list;
+ spinlock_t fo_llog_list_lock;
struct brw_stats fo_filter_stats;
- struct lustre_quota_ctxt fo_quota_ctxt;
- cfs_spinlock_t fo_quotacheck_lock;
- cfs_atomic_t fo_quotachecking;
int fo_fmd_max_num; /* per exp filter_mod_data */
int fo_fmd_max_age; /* jiffies to fmd expiry */
/* sptlrpc stuff */
- cfs_rwlock_t fo_sptlrpc_lock;
+ rwlock_t fo_sptlrpc_lock;
struct sptlrpc_rule_set fo_sptlrpc_rset;
/* capability related */
struct mdc_rpc_lock;
struct obd_import;
struct client_obd {
- cfs_rw_semaphore_t cl_sem;
+ struct rw_semaphore cl_sem;
struct obd_uuid cl_target_uuid;
struct obd_import *cl_import; /* ptlrpc connection state */
int cl_conn_count;
struct obd_histogram cl_read_offset_hist;
struct obd_histogram cl_write_offset_hist;
+ /* lru for osc caching pages */
+ struct cl_client_cache *cl_cache;
+ cfs_list_t cl_lru_osc; /* member of cl_cache->ccc_lru */
+ cfs_atomic_t *cl_lru_left;
+ cfs_atomic_t cl_lru_busy;
+ cfs_atomic_t cl_lru_shrinkers;
+ cfs_atomic_t cl_lru_in_list;
+ cfs_list_t cl_lru_list; /* lru page list */
+ client_obd_lock_t cl_lru_list_lock; /* page list protector */
+
/* number of in flight destroy rpcs is limited to max_rpcs_in_flight */
cfs_atomic_t cl_destroy_in_flight;
cfs_waitq_t cl_destroy_waitq;
struct mdc_rpc_lock *cl_rpc_lock;
struct mdc_rpc_lock *cl_close_lock;
- struct osc_creator cl_oscc;
/* mgc datastruct */
- cfs_semaphore_t cl_mgc_sem;
+ struct semaphore cl_mgc_sem;
struct vfsmount *cl_mgc_vfsmnt;
struct dentry *cl_mgc_configs_dir;
cfs_atomic_t cl_mgc_refcount;
/* also protected by the poorly named _loi_list_lock lock above */
struct osc_async_rc cl_ar;
- /* used by quotacheck */
- int cl_qchk_stat; /* quotacheck stat of the peer */
+ /* used by quotacheck when the servers are older than 2.4 */
+ int cl_qchk_stat; /* quotacheck stat of the peer */
+#define CL_NOT_QUOTACHECKED 1 /* client->cl_qchk_stat init value */
+#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 7, 50, 0)
+#warning "please consider removing quotacheck compatibility code"
+#endif
/* sequence manager */
struct lu_client_seq *cl_seq;
};
#define obd2cli_tgt(obd) ((char *)(obd)->u.cli.cl_target_uuid.uuid)
-#define CL_NOT_QUOTACHECKED 1 /* client->cl_qchk_stat init value */
-
-struct mds_obd {
- /* NB this field MUST be first */
- struct obd_device_target mds_obt;
- struct ptlrpc_service *mds_service;
- struct ptlrpc_service *mds_setattr_service;
- struct ptlrpc_service *mds_readpage_service;
- int mds_max_mdsize;
- int mds_max_cookiesize;
- __u64 mds_io_epoch;
- unsigned long mds_atime_diff;
- struct ll_fid mds_rootfid;
- cfs_dentry_t *mds_pending_dir;
- cfs_dentry_t *mds_logs_dir;
- cfs_dentry_t *mds_objects_dir;
- struct llog_handle *mds_cfg_llh;
- struct obd_device *mds_lov_obd;
- struct obd_uuid mds_lov_uuid;
- char *mds_profile;
- struct obd_export *mds_lov_exp;
- struct lov_desc mds_lov_desc;
- __u32 mds_id;
-
- /* mark pages dirty for write. */
- cfs_bitmap_t *mds_lov_page_dirty;
- /* array for store pages with obd_id */
- void **mds_lov_page_array;
- /* file for store objid */
- struct file *mds_lov_objid_filp;
- __u32 mds_lov_objid_count;
- __u32 mds_lov_objid_max_index;
- __u32 mds_lov_objid_lastpage;
- __u32 mds_lov_objid_lastidx;
-
-
- struct lustre_quota_info mds_quota_info;
- cfs_rw_semaphore_t mds_qonoff_sem;
- unsigned long mds_fl_user_xattr:1,
- mds_fl_acl:1,
- mds_evict_ost_nids:1,
- mds_fl_cfglog:1,
- mds_fl_synced:1,
- mds_quota:1,
- mds_fl_target:1; /* mds have one or
- * more targets */
-
- struct upcall_cache *mds_identity_cache;
-
- /* for capability keys update */
- struct lustre_capa_key *mds_capa_keys;
- cfs_rw_semaphore_t mds_notify_lock;
-};
-
-/* lov objid */
-extern __u32 mds_max_ost_index;
-
-#define MDS_LOV_ALLOC_SIZE (CFS_PAGE_SIZE)
-
-#define OBJID_PER_PAGE() (MDS_LOV_ALLOC_SIZE / sizeof(obd_id))
-
-#define MDS_LOV_OBJID_PAGES_COUNT (mds_max_ost_index/OBJID_PER_PAGE())
-
-extern int mds_lov_init_objids(struct obd_device *obd);
-extern void mds_lov_destroy_objids(struct obd_device *obd);
-
struct obd_id_info {
__u32 idx;
obd_id *data;
/* */
struct echo_obd {
- struct obd_device_target eo_obt;
- struct obdo eo_oa;
- cfs_spinlock_t eo_lock;
- __u64 eo_lastino;
- struct lustre_handle eo_nl_lock;
- cfs_atomic_t eo_prep;
+ struct obd_device_target eo_obt;
+ struct obdo eo_oa;
+ spinlock_t eo_lock;
+ __u64 eo_lastino;
+ struct lustre_handle eo_nl_lock;
+ cfs_atomic_t eo_prep;
};
struct ost_obd {
- struct ptlrpc_service *ost_service;
- struct ptlrpc_service *ost_create_service;
- struct ptlrpc_service *ost_io_service;
- cfs_mutex_t ost_health_mutex;
+ struct ptlrpc_service *ost_service;
+ struct ptlrpc_service *ost_create_service;
+ struct ptlrpc_service *ost_io_service;
+ struct ptlrpc_service *ost_seq_service;
+ struct mutex ost_health_mutex;
};
struct echo_client_obd {
- struct obd_export *ec_exp; /* the local connection to osc/lov */
- cfs_spinlock_t ec_lock;
+ struct obd_export *ec_exp; /* the local connection to osc/lov */
+ spinlock_t ec_lock;
cfs_list_t ec_objects;
cfs_list_t ec_locks;
int ec_nstripes;
lov_obd->lov_tgts */
unsigned int op_count; /* number of OSTs in the array */
unsigned int op_size; /* allocated size of lp_array */
- cfs_rw_semaphore_t op_rw_sem; /* to protect ost_pool use */
+ struct rw_semaphore op_rw_sem; /* to protect ost_pool use */
};
/* Round-robin allocator data */
/* Stripe placement optimization */
struct lov_qos {
cfs_list_t lq_oss_list; /* list of OSSs that targets use */
- cfs_rw_semaphore_t lq_rw_sem;
+ 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_tgt_desc **lov_tgts; /* sparse array */
struct ost_pool lov_packed; /* all OSTs in a packed
array */
- cfs_mutex_t lov_lock;
+ struct mutex lov_lock;
struct obd_connect_data lov_ocd;
- struct lov_qos lov_qos; /* qos info per lov */
cfs_atomic_t lov_refcount;
__u32 lov_tgt_count; /* how many OBD's */
__u32 lov_active_tgt_count; /* how many active */
cfs_list_t lov_pool_list; /* used for sequential access */
cfs_proc_dir_entry_t *lov_pool_proc_entry;
enum lustre_sec_part lov_sp_me;
+
+ /* Cached LRU pages from upper layer */
+ void *lov_cache;
};
struct lmv_tgt_desc {
- struct obd_uuid ltd_uuid;
- struct obd_export *ltd_exp;
- int ltd_active; /* is this target up for requests */
- int ltd_idx;
- cfs_mutex_t ltd_fid_mutex;
+ struct obd_uuid ltd_uuid;
+ struct obd_export *ltd_exp;
+ int ltd_idx;
+ struct mutex ltd_fid_mutex;
+ unsigned long ltd_active:1; /* target up for requests */
};
enum placement_policy {
typedef enum placement_policy placement_policy_t;
struct lmv_obd {
- int refcount;
- struct lu_client_fld lmv_fld;
- cfs_spinlock_t lmv_lock;
- placement_policy_t lmv_placement;
- struct lmv_desc desc;
- struct obd_uuid cluuid;
- struct obd_export *exp;
-
- int connected;
- int max_easize;
- int max_def_easize;
- int max_cookiesize;
- int server_timeout;
- cfs_mutex_t init_mutex;
-
- struct lmv_tgt_desc *tgts;
- int tgts_size;
-
- struct obd_connect_data *datas;
- int datas_size;
-
- struct obd_connect_data conn_data;
+ int refcount;
+ struct lu_client_fld lmv_fld;
+ spinlock_t lmv_lock;
+ placement_policy_t lmv_placement;
+ struct lmv_desc desc;
+ struct obd_uuid cluuid;
+ struct obd_export *exp;
+
+ struct mutex init_mutex;
+ int connected;
+ int max_easize;
+ int max_def_easize;
+ int max_cookiesize;
+ int server_timeout;
+
+ int tgts_size; /* size of tgts array */
+ struct lmv_tgt_desc **tgts;
+
+ struct obd_connect_data conn_data;
};
struct niobuf_local {
#define LUSTRE_CACHEOBD_NAME "cobd"
#define LUSTRE_ECHO_NAME "obdecho"
#define LUSTRE_ECHO_CLIENT_NAME "echo_client"
+#define LUSTRE_QMT_NAME "qmt"
/* Constant obd names (post-rename) */
#define LUSTRE_MDS_OBDNAME "MDS"
#define LUSTRE_MGS_OBDNAME "MGS"
#define LUSTRE_MGC_OBDNAME "MGC"
+static inline int is_osp_on_mdt(char *name)
+{
+ char *ptr;
+
+ ptr = strrchr(name, '-');
+ if (ptr == NULL) {
+ CERROR("%s is not a obdname\n", name);
+ return 0;
+ }
+
+ /* 1.8 OSC/OSP name on MDT is fsname-OSTxxxx-osc */
+ if (strncmp(ptr + 1, "osc", 3) == 0)
+ return 1;
+
+ if (strncmp(ptr + 1, "MDT", 3) != 0)
+ return 0;
+
+ while (*(--ptr) != '-' && ptr != name);
+
+ if (ptr == name)
+ return 0;
+
+ if (strncmp(ptr + 1, LUSTRE_OSP_NAME, strlen(LUSTRE_OSP_NAME)) != 0 &&
+ strncmp(ptr + 1, LUSTRE_OSC_NAME, strlen(LUSTRE_OSC_NAME)) != 0)
+ return 0;
+
+ return 1;
+}
+
/* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
#define N_LOCAL_TEMP_PAGE 0x10000000
+/* Currently the connection osp is only for connecting MDT0, the
+ * name would either be
+ * fsname-MDT0000-osp-OSTxxxx or fsname-MDT0000-osp-MDT0000 */
+static inline int is_osp_for_connection(char *name)
+{
+ char *ptr;
+ int osp_on_mdt0 = 0;
+ char *endptr;
+
+ ptr = strrchr(name, '-');
+ if (ptr == NULL) {
+ CERROR("%s is not a obdname\n", name);
+ return 0;
+ }
+
+ if (strncmp(ptr + 1, "OST", 3) != 0 && strncmp(ptr + 1, "MDT", 3) != 0)
+ return 0;
+
+ if (strncmp(ptr + 1, "MDT", 3) == 0) {
+ int index;
+
+#ifdef __KERNEL__
+ index = simple_strtoul(ptr + 4, &endptr, 16);
+#else
+ index = strtoul(ptr + 4, &endptr, 16);
+#endif
+ if (index != 0)
+ return 0;
+ osp_on_mdt0 = 1;
+ }
+
+ /* match the "-osp" */
+ if (ptr - name < strlen(LUSTRE_OSP_NAME) + 1)
+ return 0;
+
+ ptr -= (strlen(LUSTRE_OSP_NAME) + 1);
+ if (*ptr != '-')
+ return 0;
+
+ if (strncmp(ptr + 1, LUSTRE_OSP_NAME, strlen(LUSTRE_OSP_NAME)) != 0)
+ return 0;
+
+ if (osp_on_mdt0) {
+ int index = 0;
+ while (*(--ptr) != '-' && ptr != name);
+
+ if (ptr == name) {
+ CERROR("%s is not a valid osp name\n", name);
+ return 0;
+ }
+
+ if (strncmp(ptr + 1, "MDT", 3) != 0)
+ return 0;
+#ifdef __KERNEL__
+ index = simple_strtoul(ptr + 4, &endptr, 16);
+#else
+ index = strtoul(ptr + 4, &endptr, 16);
+#endif
+ if (index != 0)
+ return 0;
+ }
+ return 1;
+}
+
struct obd_trans_info {
__u64 oti_transno;
__u64 oti_xid;
};
struct target_recovery_data {
- svc_handler_t trd_recovery_handler;
- pid_t trd_processing_task;
- cfs_completion_t trd_starting;
- cfs_completion_t trd_finishing;
+ svc_handler_t trd_recovery_handler;
+ pid_t trd_processing_task;
+ struct completion trd_starting;
+ struct completion trd_finishing;
};
/**
int olg_seq;
struct llog_ctxt *olg_ctxts[LLOG_MAX_CTXTS];
cfs_waitq_t olg_waitq;
- cfs_spinlock_t olg_lock;
- struct obd_export *olg_exp;
- int olg_initializing;
- cfs_mutex_t olg_cat_processing;
+ spinlock_t olg_lock;
+ struct obd_export *olg_exp;
+ int olg_initializing;
+ struct mutex olg_cat_processing;
};
/* corresponds to one of the obd's */
cfs_list_t obd_unlinked_exports;
cfs_list_t obd_delayed_exports;
int obd_num_exports;
- cfs_spinlock_t obd_nid_lock;
- struct ldlm_namespace *obd_namespace;
- struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
- /* a spinlock is OK for what we do now, may need a semaphore later */
- cfs_spinlock_t obd_dev_lock; /* protects obd bitfield above */
- cfs_mutex_t obd_dev_mutex;
- __u64 obd_last_committed;
- struct fsfilt_operations *obd_fsops;
- cfs_spinlock_t obd_osfs_lock;
- struct obd_statfs obd_osfs; /* locked by obd_osfs_lock */
- __u64 obd_osfs_age;
- struct lvfs_run_ctxt obd_lvfs_ctxt;
- struct obd_llog_group obd_olg; /* default llog group */
- struct obd_device *obd_observer;
- cfs_rw_semaphore_t obd_observer_link_sem;
+ spinlock_t obd_nid_lock;
+ struct ldlm_namespace *obd_namespace;
+ struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
+ /* a spinlock is OK for what we do now, may need a semaphore later */
+ spinlock_t obd_dev_lock; /* protect OBD bitfield above */
+ struct mutex obd_dev_mutex;
+ __u64 obd_last_committed;
+ struct fsfilt_operations *obd_fsops;
+ spinlock_t obd_osfs_lock;
+ struct obd_statfs obd_osfs; /* locked by obd_osfs_lock */
+ __u64 obd_osfs_age;
+ struct lvfs_run_ctxt obd_lvfs_ctxt;
+ struct obd_llog_group obd_olg; /* default llog group */
+ struct obd_device *obd_observer;
+ struct rw_semaphore obd_observer_link_sem;
struct obd_notify_upcall obd_upcall;
struct obd_export *obd_self_export;
/* list of exports in LRU order, for ping evictor, with obd_dev_lock */
int obd_delayed_clients;
/* this lock protects all recovery list_heads, timer and
* obd_next_recovery_transno value */
- cfs_spinlock_t obd_recovery_task_lock;
+ spinlock_t obd_recovery_task_lock;
__u64 obd_next_recovery_transno;
int obd_replayed_requests;
int obd_requests_queued_for_recovery;
union {
struct obd_device_target obt;
struct filter_obd filter;
- struct mds_obd mds;
struct client_obd cli;
struct ost_obd ost;
struct echo_client_obd echo_client;
/**
* Ldlm pool part. Save last calculated SLV and Limit.
*/
- cfs_rwlock_t obd_pool_lock;
+ rwlock_t obd_pool_lock;
int obd_pool_limit;
__u64 obd_pool_slv;
#define KEY_NEXT_ID "next_id"
#define KEY_READ_ONLY "read-only"
#define KEY_REGISTER_TARGET "register_target"
-#define KEY_REVIMP_UPD "revimp_update"
#define KEY_SET_FS "set_fs"
#define KEY_TGT_COUNT "tgt_count"
/* KEY_SET_INFO in lustre_idl.h */
#define KEY_CONNECT_FLAG "connect_flags"
#define KEY_SYNC_LOCK_CANCEL "sync_lock_cancel"
+#define KEY_CACHE_SET "cache_set"
+#define KEY_CACHE_LRU_SHRINK "cache_lru_shrink"
+
struct lu_context;
/* /!\ must be coherent with include/linux/namei.h on patched kernel */
struct md_enqueue_info *minfo,
int rc);
+/* seq client type */
+enum lu_cli_type {
+ LUSTRE_SEQ_METADATA = 1,
+ LUSTRE_SEQ_DATA
+};
+
struct md_enqueue_info {
struct md_op_data mi_data;
struct lookup_intent mi_it;
void *localdata);
int (*o_disconnect)(struct obd_export *exp);
- /* Initialize/finalize fids infrastructure. */
- int (*o_fid_init)(struct obd_export *exp);
- int (*o_fid_fini)(struct obd_export *exp);
+ /* Initialize/finalize fids infrastructure. */
+ int (*o_fid_init)(struct obd_device *obd,
+ struct obd_export *exp, enum lu_cli_type type);
+ int (*o_fid_fini)(struct obd_device *obd);
/* Allocate new fid according to passed @hint. */
int (*o_fid_alloc)(struct obd_export *exp, struct lu_fid *fid,
* Object with @fid is getting deleted, we may want to do something
* about this.
*/
- int (*o_fid_delete)(struct obd_export *exp, const struct lu_fid *fid);
-
int (*o_statfs)(const struct lu_env *, struct obd_export *exp,
struct obd_statfs *osfs, __u64 max_age, __u32 flags);
int (*o_statfs_async)(struct obd_export *exp, struct obd_info *oinfo,
int (*m_enqueue)(struct obd_export *, struct ldlm_enqueue_info *,
struct lookup_intent *, struct md_op_data *,
struct lustre_handle *, void *, int,
- struct ptlrpc_request **, int);
+ struct ptlrpc_request **, __u64);
int (*m_getattr)(struct obd_export *, struct md_op_data *,
struct ptlrpc_request **);
int (*m_getattr_name)(struct obd_export *, struct md_op_data *,
int (*m_intent_lock)(struct obd_export *, struct md_op_data *,
void *, int, struct lookup_intent *, int,
struct ptlrpc_request **,
- ldlm_blocking_callback, int);
+ ldlm_blocking_callback, __u64);
int (*m_link)(struct obd_export *, struct md_op_data *,
struct ptlrpc_request **);
int (*m_rename)(struct obd_export *, struct md_op_data *,
struct obd_client_handle *);
int (*m_set_lock_data)(struct obd_export *, __u64 *, void *, __u64 *);
- ldlm_mode_t (*m_lock_match)(struct obd_export *, int,
+ ldlm_mode_t (*m_lock_match)(struct obd_export *, __u64,
const struct lu_fid *, ldlm_type_t,
ldlm_policy_data_t *, ldlm_mode_t,
struct lustre_handle *);
}
}
-int lvfs_check_io_health(struct obd_device *obd, struct file *file);
-
/* Requests for obd_extent_calc() */
#define OBD_CALC_STRIPE_START 1
#define OBD_CALC_STRIPE_END 2
-static inline void obd_transno_commit_cb(struct obd_device *obd, __u64 transno,
- struct obd_export *exp, int error)
-{
- if (error) {
- CERROR("%s: transno "LPU64" commit error: %d\n",
- obd->obd_name, transno, error);
- return;
- }
- if (exp && transno > exp->exp_last_committed) {
- CDEBUG(D_HA, "%s: transno "LPU64" committed\n",
- obd->obd_name, transno);
- exp->exp_last_committed = transno;
- ptlrpc_commit_replies(exp);
- } else {
- CDEBUG(D_INFO, "%s: transno "LPU64" committed\n",
- obd->obd_name, transno);
- }
- if (transno > obd->obd_last_committed)
- obd->obd_last_committed = transno;
-}
-
static inline struct lustre_capa *oinfo_capa(struct obd_info *oinfo)
{
return oinfo->oi_capa;