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;
81 struct portals_handle exp_handle;
82 atomic_t exp_refcount;
83 atomic_t exp_rpc_count;
84 struct obd_uuid exp_client_uuid;
85 struct list_head exp_obd_chain;
86 struct hlist_node exp_uuid_hash; /* uuid-export hash*/
87 struct hlist_node exp_nid_hash; /* nid-export hash */
88 /* exp_obd_chain_timed fo ping evictor, protected by obd_dev_lock */
89 struct list_head exp_obd_chain_timed;
90 struct obd_device *exp_obd;
91 struct obd_import *exp_imp_reverse; /* to make RPCs backwards */
92 struct proc_dir_entry *exp_proc;
93 struct lprocfs_stats *exp_ops_stats;
94 struct lprocfs_stats *exp_md_stats;
95 struct lprocfs_stats *exp_ldlm_stats;
96 struct ptlrpc_connection *exp_connection;
98 struct ldlm_export_data exp_ldlm_data;
99 struct list_head exp_outstanding_replies;
100 time_t exp_last_request_time;
101 spinlock_t exp_lock; /* protects flags int below */
102 /* ^ protects exp_outstanding_replies too */
103 __u64 exp_connect_flags;
105 unsigned long exp_failed:1,
109 exp_req_replay_needed:1,
110 exp_lock_replay_needed:1,
114 exp_libclient:1; /* liblustre client? */
115 /* also protected by exp_lock */
116 enum lustre_sec_part exp_sp_peer;
117 struct sptlrpc_flavor exp_flvr; /* current */
118 struct sptlrpc_flavor exp_flvr_old[2]; /* about-to-expire */
119 cfs_time_t exp_flvr_expire[2]; /* seconds */
122 struct mds_export_data eu_mds_data;
123 struct mdt_export_data eu_mdt_data;
124 struct filter_export_data eu_filter_data;
125 struct ec_export_data eu_ec_data;
129 #define exp_mds_data u.eu_mds_data
130 #define exp_mdt_data u.eu_mdt_data
131 #define exp_lov_data u.eu_lov_data
132 #define exp_filter_data u.eu_filter_data
133 #define exp_ec_data u.eu_ec_data
135 static inline int exp_connect_cancelset(struct obd_export *exp)
137 return exp ? !!(exp->exp_connect_flags & OBD_CONNECT_CANCELSET) : 0;
140 static inline int exp_connect_lru_resize(struct obd_export *exp)
142 LASSERT(exp != NULL);
143 return !!(exp->exp_connect_flags & OBD_CONNECT_LRU_RESIZE);
146 static inline int imp_connect_lru_resize(struct obd_import *imp)
148 struct obd_connect_data *ocd;
150 LASSERT(imp != NULL);
151 ocd = &imp->imp_connect_data;
152 return !!(ocd->ocd_connect_flags & OBD_CONNECT_LRU_RESIZE);
155 extern struct obd_export *class_conn2export(struct lustre_handle *conn);
156 extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
158 #endif /* __EXPORT_H */