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>
11 /* Data stored per client in the last_rcvd file. In le32 order. */
12 struct mds_client_data;
13 struct mdt_client_data;
14 struct mds_idmap_table;
15 struct mdt_idmap_table;
17 struct mds_export_data {
18 struct list_head med_open_head;
19 spinlock_t med_open_lock; /* lock med_open_head, mfd_list*/
20 struct mds_client_data *med_mcd;
21 __u64 med_ibits_known;
24 unsigned int med_rmtclient:1; /* remote client? */
27 struct mds_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? */
41 struct mdt_idmap_table *med_idmap;
46 struct list_head oscc_list;
47 struct obd_device *oscc_obd;
48 obd_id oscc_last_id;//last available pre-created object
49 obd_id oscc_next_id;// what object id to give out next
53 cfs_waitq_t oscc_waitq; /* creating procs wait on this */
56 struct ldlm_export_data {
57 struct list_head led_held_locks; /* protected by namespace lock */
61 struct ec_export_data { /* echo client */
62 struct list_head eced_locks;
65 /* In-memory access to client data from OST struct */
66 struct filter_client_data;
67 struct filter_export_data {
68 spinlock_t fed_lock; /* protects fed_open_head */
69 struct filter_client_data *fed_fcd;
72 long fed_dirty; /* in bytes */
73 long fed_grant; /* in bytes */
74 struct list_head fed_mod_list; /* files being modified */
75 int fed_mod_count;/* items in fed_writing list */
76 long fed_pending; /* bytes just being written */
81 struct portals_handle exp_handle;
82 atomic_t exp_refcount;
83 struct obd_uuid exp_client_uuid;
84 struct list_head exp_obd_chain;
85 /* exp_obd_chain_timed fo ping evictor, protected by obd_dev_lock */
86 struct list_head exp_obd_chain_timed;
87 struct obd_device *exp_obd;
88 struct obd_import *exp_imp_reverse; /* to make RPCs backwards */
89 struct ptlrpc_connection *exp_connection;
91 struct ldlm_export_data exp_ldlm_data;
92 struct list_head exp_outstanding_replies;
93 time_t exp_last_request_time;
94 spinlock_t exp_lock; /* protects flags int below */
95 /* ^ protects exp_outstanding_replies too */
96 __u64 exp_connect_flags;
98 unsigned int exp_failed:1,
102 exp_libclient:1; /* liblustre client? */
104 struct mds_export_data eu_mds_data;
105 struct mdt_export_data eu_mdt_data;
106 struct filter_export_data eu_filter_data;
107 struct ec_export_data eu_ec_data;
111 #define exp_mds_data u.eu_mds_data
112 #define exp_mdt_data u.eu_mdt_data
113 #define exp_lov_data u.eu_lov_data
114 #define exp_filter_data u.eu_filter_data
115 #define exp_ec_data u.eu_ec_data
117 extern struct obd_export *class_conn2export(struct lustre_handle *conn);
118 extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
120 #endif /* __EXPORT_H */