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? */
28 struct mds_idmap_table *med_idmap;
31 struct mdt_export_data {
32 struct list_head med_open_head;
33 spinlock_t med_open_lock; /* lock med_open_head, mfd_list*/
34 struct semaphore med_mcd_lock;
35 struct mdt_client_data *med_mcd;
36 __u64 med_ibits_known;
39 unsigned int med_rmtclient:1; /* remote client? */
42 struct mdt_idmap_table *med_idmap;
47 struct list_head oscc_list;
48 struct obd_device *oscc_obd;
49 obd_id oscc_last_id;//last available pre-created object
50 obd_id oscc_next_id;// what object id to give out next
54 cfs_waitq_t oscc_waitq; /* creating procs wait on this */
57 struct ldlm_export_data {
58 struct list_head led_held_locks; /* protected by led_lock */
62 struct ec_export_data { /* echo client */
63 struct list_head eced_locks;
66 /* In-memory access to client data from OST struct */
67 struct filter_client_data;
68 struct filter_export_data {
69 spinlock_t fed_lock; /* protects fed_open_head */
70 struct filter_client_data *fed_fcd;
73 long fed_dirty; /* in bytes */
74 long fed_grant; /* in bytes */
75 struct list_head fed_mod_list; /* files being modified */
76 int fed_mod_count;/* items in fed_writing list */
77 long fed_pending; /* bytes just being written */
79 struct brw_stats fed_brw_stats;
83 struct portals_handle exp_handle;
84 atomic_t exp_refcount;
85 atomic_t exp_rpc_count;
86 struct obd_uuid exp_client_uuid;
87 struct list_head exp_obd_chain;
88 struct hlist_node exp_uuid_hash; /* uuid-export hash*/
89 struct hlist_node exp_nid_hash; /* nid-export hash */
90 /* exp_obd_chain_timed fo ping evictor, protected by obd_dev_lock */
91 struct list_head exp_obd_chain_timed;
92 struct obd_device *exp_obd;
93 struct obd_import *exp_imp_reverse; /* to make RPCs backwards */
94 struct proc_dir_entry *exp_proc;
95 struct lprocfs_stats *exp_ops_stats;
96 struct lprocfs_stats *exp_md_stats;
97 struct lprocfs_stats *exp_ldlm_stats;
98 struct ptlrpc_connection *exp_connection;
100 struct ldlm_export_data exp_ldlm_data;
101 struct list_head exp_outstanding_replies;
102 time_t exp_last_request_time;
103 spinlock_t exp_lock; /* protects flags int below */
104 /* ^ protects exp_outstanding_replies too */
105 __u64 exp_connect_flags;
107 unsigned int exp_failed:1,
111 exp_req_replay_needed:1,
112 exp_lock_replay_needed:1,
114 exp_libclient:1; /* liblustre client? */
116 struct mds_export_data eu_mds_data;
117 struct mdt_export_data eu_mdt_data;
118 struct filter_export_data eu_filter_data;
119 struct ec_export_data eu_ec_data;
123 #define exp_mds_data u.eu_mds_data
124 #define exp_mdt_data u.eu_mdt_data
125 #define exp_lov_data u.eu_lov_data
126 #define exp_filter_data u.eu_filter_data
127 #define exp_ec_data u.eu_ec_data
129 static inline int exp_connect_cancelset(struct obd_export *exp)
131 return exp ? !!(exp->exp_connect_flags & OBD_CONNECT_CANCELSET) : 0;
134 static inline int exp_connect_lru_resize(struct obd_export *exp)
136 LASSERT(exp != NULL);
137 return !!(exp->exp_connect_flags & OBD_CONNECT_LRU_RESIZE);
140 static inline int imp_connect_lru_resize(struct obd_import *imp)
142 struct obd_connect_data *ocd;
144 LASSERT(imp != NULL);
145 ocd = &imp->imp_connect_data;
146 return !!(ocd->ocd_connect_flags & OBD_CONNECT_LRU_RESIZE);
149 extern struct obd_export *class_conn2export(struct lustre_handle *conn);
150 extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
152 #endif /* __EXPORT_H */