1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001 Cluster File Systems, Inc.
6 * This code is issued under the GNU General Public License.
7 * See the file COPYING in this distribution
13 #include <linux/list.h>
14 #include <linux/smp_lock.h>
16 #include <linux/lustre_idl.h>
18 struct obd_conn_info {
19 unsigned int conn_id; /* handle */
23 struct list_head typ_chain;
24 struct obd_ops *typ_ops;
30 struct vfsmount *pwdmnt;
36 struct obd_device *oc_dev;
40 struct obd_devicename {
43 struct dentry *dentry; /* file system obd device names */
44 __u8 _uuid[16]; /* uuid obd device names */
48 /* Individual type definitions */
51 struct super_block *e2_sb;
52 struct vfsmount *e2_vfsmnt;
57 struct super_block *fo_sb;
58 struct vfsmount *fo_vfsmnt;
59 struct obd_run_ctxt fo_ctxt;
60 struct dentry *fo_dentry_O;
61 struct dentry *fo_dentry_O_mode[16];
64 struct file_operations *fo_fop;
65 struct inode_operations *fo_iop;
66 struct address_space_operations *fo_aops;
69 struct mds_client_info;
70 struct mds_server_data;
73 struct ptlrpc_service *mds_service;
76 struct super_block *mds_sb;
77 struct super_operations *mds_sop;
78 struct vfsmount *mds_vfsmnt;
79 struct obd_run_ctxt mds_ctxt;
80 struct file_operations *mds_fop;
81 struct inode_operations *mds_iop;
82 struct address_space_operations *mds_aops;
83 struct mds_fs_operations *mds_fsops;
84 struct file *mds_rcvd_filp;
85 __u64 mds_last_committed;
87 __u64 mds_mount_count;
88 struct ll_fid mds_rootfid;
90 struct list_head mds_client_info;
91 struct mds_server_data *mds_server_data;
95 struct ptlrpc_service *ldlm_service;
96 struct ptlrpc_client *ldlm_client;
97 struct ptlrpc_connection *ldlm_server_conn;
102 struct super_block *eo_sb;
103 struct vfsmount *eo_vfsmnt;
104 struct obd_run_ctxt eo_ctxt;
107 struct file_operations *eo_fop;
108 struct inode_operations *eo_iop;
109 struct address_space_operations *eo_aops;
113 time_t recovd_waketime;
114 time_t recovd_timeout;
115 struct ptlrpc_service *recovd_service;
116 struct ptlrpc_client *recovd_client;
118 __u32 recovd_wakeup_flag;
119 spinlock_t recovd_lock;
120 struct list_head recovd_clients_lh; /* clients managed */
121 struct list_head recovd_troubled_lh; /* clients in trouble */
122 wait_queue_head_t recovd_recovery_waitq;
123 wait_queue_head_t recovd_ctl_waitq;
124 wait_queue_head_t recovd_waitq;
125 struct task_struct *recovd_thread;
129 struct obdtrace_opstats *stats;
134 unsigned int snap_index; /* which snapshot index are we accessing */
139 unsigned int raid1_count; /* how many replicas */
140 /* devices to replicate on */
141 struct obd_device *raid1_devlist[MAX_RAID1];
142 /* connections we make */
143 struct obd_conn_info raid1_connections[MAX_RAID1];
144 struct list_head raid1_clients; /* clients we have */
149 struct ptlrpc_service *ost_service;
151 struct obd_device *ost_tgt;
152 struct obd_conn ost_conn;
156 struct obd_device *osc_tgt;
157 struct ptlrpc_client *osc_client;
158 struct ptlrpc_client *osc_ldlm_client;
159 struct ptlrpc_connection *osc_conn;
164 struct obd_conn *lov_targets;
167 /* corresponds to one of the obd's */
170 struct obd_type *obd_type;
177 struct obd_devicename obd_fsname;
178 struct proc_dir_entry *obd_proc_entry;
180 struct obd_conn obd_multi_conn[MAX_MULTI];
181 unsigned int obd_gen_last_id;
182 unsigned long obd_gen_prealloc_quota;
183 struct list_head obd_gen_clients;
184 struct list_head obd_req_list;
185 wait_queue_head_t obd_req_waitq;
186 struct ldlm_namespace *obd_namespace;
188 struct ext2_obd ext2;
189 struct filter_obd filter;
193 struct ldlm_obd ldlm;
194 struct echo_obd echo;
195 struct recovd_obd recovd;
196 struct trace_obd trace;
199 struct raid1_obd raid1;
200 struct snap_obd snap;
206 int (*o_iocontrol)(long cmd, struct obd_conn *, int len, void *karg,
208 int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
209 obd_count *vallen, void **val);
210 int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
211 obd_count vallen, void *val);
212 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
213 int (*o_detach)(struct obd_device *dev);
214 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
215 int (*o_cleanup)(struct obd_device *dev);
216 int (*o_connect)(struct obd_conn *conn);
217 int (*o_disconnect)(struct obd_conn *conn);
220 int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
221 int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
222 int (*o_create)(struct obd_conn *conn, struct obdo *oa);
223 int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
224 int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
225 int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
226 int (*o_open)(struct obd_conn *conn, struct obdo *oa);
227 int (*o_close)(struct obd_conn *conn, struct obdo *oa);
228 int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
229 obd_size *count, obd_off offset);
230 int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
231 obd_size *count, obd_off offset);
232 int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
233 struct obdo **oa, obd_count *oa_bufs, struct page **buf,
234 obd_size *count, obd_off *offset, obd_flag *flags);
235 int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
237 int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
239 int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
240 struct obdo *src, obd_size count, obd_off offset);
241 int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
242 struct obd_conn *srconn, struct obdo *src,
243 obd_size count, obd_off offset);
244 int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
245 obd_id *startid, obd_gr group, void *data);
246 int (*o_preprw)(int cmd, struct obd_conn *conn,
247 int objcount, struct obd_ioobj *obj,
248 int niocount, struct niobuf_remote *remote,
249 struct niobuf_local *local, void **desc_private);
250 int (*o_commitrw)(int cmd, struct obd_conn *conn,
251 int objcount, struct obd_ioobj *obj,
252 int niocount, struct niobuf_local *local,
254 int (*o_enqueue)(struct obd_conn *conn, struct ldlm_namespace *ns,
255 struct ldlm_handle *parent_lock, __u64 *res_id,
256 __u32 type, struct ldlm_extent *, __u32 mode,
257 int *flags, void *data, int datalen,
258 struct ldlm_handle *lockh);
259 int (*o_cancel)(struct obd_conn *, __u32 mode, struct ldlm_handle *);