1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
8 #include <lustre/lustre_idl.h>
9 #include <lustre_dlm.h>
10 #include <lprocfs_status.h>
12 /* Data stored per client in the last_rcvd file. In le32 order. */
13 struct mds_client_data;
14 struct mdt_client_data;
15 struct mds_idmap_table;
16 struct mdt_idmap_table;
18 struct mds_export_data {
19 struct list_head med_open_head;
20 spinlock_t med_open_lock; /* lock med_open_head, mfd_list*/
21 struct mds_client_data *med_mcd;
22 __u64 med_ibits_known;
25 unsigned int med_rmtclient:1; /* remote client? */
26 struct semaphore med_idmap_sem;
27 struct lustre_idmap_table *med_idmap;
30 struct mdt_export_data {
31 struct list_head med_open_head;
32 spinlock_t med_open_lock; /* lock med_open_head, mfd_list*/
33 struct semaphore med_mcd_lock;
34 struct mdt_client_data *med_mcd;
35 __u64 med_ibits_known;
38 unsigned int med_rmtclient:1; /* remote client? */
39 struct semaphore med_idmap_sem;
40 struct lustre_idmap_table *med_idmap;
45 struct list_head oscc_list;
46 struct obd_device *oscc_obd;
47 obd_id oscc_last_id;//last available pre-created object
48 obd_id oscc_next_id;// what object id to give out next
52 cfs_waitq_t oscc_waitq; /* creating procs wait on this */
55 struct ldlm_export_data {
56 struct list_head led_held_locks; /* protected by led_lock */
60 struct ec_export_data { /* echo client */
61 struct list_head eced_locks;
64 /* In-memory access to client data from OST struct */
65 struct filter_client_data;
66 struct filter_export_data {
67 spinlock_t fed_lock; /* protects fed_open_head */
68 struct filter_client_data *fed_fcd;
71 long fed_dirty; /* in bytes */
72 long fed_grant; /* in bytes */
73 struct list_head fed_mod_list; /* files being modified */
74 int fed_mod_count;/* items in fed_writing list */
75 long fed_pending; /* bytes just being written */
77 struct brw_stats fed_brw_stats;
80 typedef struct nid_stat {
82 struct hlist_node nid_hash;
83 struct list_head nid_list;
84 struct obd_device *nid_obd;
85 struct proc_dir_entry *nid_proc;
86 struct lprocfs_stats *nid_stats;
87 struct brw_stats *nid_brw_stats;
88 int nid_exp_ref_count;
92 struct portals_handle exp_handle;
93 atomic_t exp_refcount;
94 atomic_t exp_rpc_count;
95 struct obd_uuid exp_client_uuid;
96 struct list_head exp_obd_chain;
97 struct hlist_node exp_uuid_hash; /* uuid-export hash*/
98 struct hlist_node exp_nid_hash; /* nid-export hash */
99 /* exp_obd_chain_timed fo ping evictor, protected by obd_dev_lock */
100 struct list_head exp_obd_chain_timed;
101 struct obd_device *exp_obd;
102 struct obd_import *exp_imp_reverse; /* to make RPCs backwards */
103 struct nid_stat *exp_nid_stats;
104 struct lprocfs_stats *exp_md_stats;
105 struct lprocfs_stats *exp_ldlm_stats;
106 struct ptlrpc_connection *exp_connection;
108 struct ldlm_export_data exp_ldlm_data;
109 struct list_head exp_outstanding_replies;
110 time_t exp_last_request_time;
111 spinlock_t exp_lock; /* protects flags int below */
112 /* ^ protects exp_outstanding_replies too */
113 __u64 exp_connect_flags;
115 unsigned long exp_failed:1,
119 exp_req_replay_needed:1,
120 exp_lock_replay_needed:1,
124 exp_libclient:1; /* liblustre client? */
125 /* also protected by exp_lock */
126 enum lustre_sec_part exp_sp_peer;
127 struct sptlrpc_flavor exp_flvr; /* current */
128 struct sptlrpc_flavor exp_flvr_old[2]; /* about-to-expire */
129 cfs_time_t exp_flvr_expire[2]; /* seconds */
132 struct mds_export_data eu_mds_data;
133 struct mdt_export_data eu_mdt_data;
134 struct filter_export_data eu_filter_data;
135 struct ec_export_data eu_ec_data;
139 #define exp_mds_data u.eu_mds_data
140 #define exp_mdt_data u.eu_mdt_data
141 #define exp_lov_data u.eu_lov_data
142 #define exp_filter_data u.eu_filter_data
143 #define exp_ec_data u.eu_ec_data
145 static inline int exp_connect_cancelset(struct obd_export *exp)
147 LASSERT(exp != NULL);
148 return !!(exp->exp_connect_flags & OBD_CONNECT_CANCELSET);
151 static inline int exp_connect_lru_resize(struct obd_export *exp)
153 LASSERT(exp != NULL);
154 return !!(exp->exp_connect_flags & OBD_CONNECT_LRU_RESIZE);
157 static inline int imp_connect_lru_resize(struct obd_import *imp)
159 struct obd_connect_data *ocd;
161 LASSERT(imp != NULL);
162 ocd = &imp->imp_connect_data;
163 return !!(ocd->ocd_connect_flags & OBD_CONNECT_LRU_RESIZE);
166 extern struct obd_export *class_conn2export(struct lustre_handle *conn);
167 extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
169 #endif /* __EXPORT_H */