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>
19 struct list_head typ_chain;
20 struct obd_ops *typ_ops;
26 /* Individual type definitions */
29 struct super_block *e2_sb;
30 struct vfsmount *e2_vfsmnt;
33 #define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
34 #define OBD_CTXT_DEBUG /* development-only debugging */
36 struct vfsmount *pwdmnt;
46 struct super_block *fo_sb;
47 struct vfsmount *fo_vfsmnt;
48 struct obd_run_ctxt fo_ctxt;
49 struct dentry *fo_dentry_O;
50 struct dentry *fo_dentry_O_mode[16];
53 struct file_operations *fo_fop;
54 struct inode_operations *fo_iop;
55 struct address_space_operations *fo_aops;
58 struct mds_server_data;
61 struct ptlrpc_client *cl_client;
62 struct ptlrpc_client *cl_ldlm_client;
63 struct ptlrpc_connection *cl_conn;
64 struct lustre_handle cl_exporth;
65 struct semaphore cl_sem;
67 __u8 cl_target_uuid[37];
73 struct ptlrpc_client *osc_client;
74 struct ptlrpc_client *osc_ldlm_client;
75 struct ptlrpc_connection *osc_conn;
76 __u8 osc_target_uuid[37];
81 struct ptlrpc_service *mds_service;
84 struct super_block *mds_sb;
85 struct super_operations *mds_sop;
86 struct vfsmount *mds_vfsmnt;
87 struct obd_run_ctxt mds_ctxt;
88 struct file_operations *mds_fop;
89 struct inode_operations *mds_iop;
90 struct address_space_operations *mds_aops;
91 struct mds_fs_operations *mds_fsops;
93 struct file *mds_rcvd_filp;
94 __u64 mds_last_committed;
96 __u64 mds_mount_count;
97 struct ll_fid mds_rootfid;
99 struct mds_server_data *mds_server_data;
103 struct ptlrpc_service *ldlm_service;
104 struct ptlrpc_client *ldlm_client;
105 struct ptlrpc_connection *ldlm_server_conn;
110 struct super_block *eo_sb;
111 struct vfsmount *eo_vfsmnt;
112 struct obd_run_ctxt eo_ctxt;
115 struct file_operations *eo_fop;
116 struct inode_operations *eo_iop;
117 struct address_space_operations *eo_aops;
121 time_t recovd_waketime;
122 time_t recovd_timeout;
123 struct ptlrpc_service *recovd_service;
124 struct ptlrpc_client *recovd_client;
126 __u32 recovd_wakeup_flag;
127 spinlock_t recovd_lock;
128 struct list_head recovd_clients_lh; /* clients managed */
129 struct list_head recovd_troubled_lh; /* clients in trouble */
130 wait_queue_head_t recovd_recovery_waitq;
131 wait_queue_head_t recovd_ctl_waitq;
132 wait_queue_head_t recovd_waitq;
133 struct task_struct *recovd_thread;
137 struct obdtrace_opstats *stats;
142 unsigned int snap_index; /* which snapshot index are we accessing */
149 struct ptlrpc_service *ost_service;
150 struct lustre_handle ost_conn; /* the local connection to the OBD */
154 struct lov_tgt_desc {
156 struct lustre_handle conn;
160 struct obd_device *mdcobd;
161 struct lov_desc desc;
163 struct lov_tgt_desc *tgts;
166 struct niobuf_local {
173 void *target_private;
174 struct dentry *dentry;
177 #define N_LOCAL_TEMP_PAGE 0x00000001
179 /* corresponds to one of the obd's */
181 struct obd_type *obd_type;
183 /* common and UUID name of this device */
189 struct proc_dir_entry *obd_proc_entry;
190 struct list_head obd_exports;
191 struct list_head obd_imports;
192 struct ldlm_namespace *obd_namespace;
194 struct ext2_obd ext2;
195 struct filter_obd filter;
197 struct client_obd cli;
199 // struct osc_obd osc;
200 struct ldlm_obd ldlm;
201 struct echo_obd echo;
202 struct recovd_obd recovd;
203 struct trace_obd trace;
206 struct snap_obd snap;
211 typedef void (*brw_callback_t)(void *);
214 int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
215 void *karg, void *uarg);
216 int (*o_get_info)(struct lustre_handle *, obd_count keylen, void *key,
217 obd_count *vallen, void **val);
218 int (*o_set_info)(struct lustre_handle *, obd_count keylen, void *key,
219 obd_count vallen, void *val);
220 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
221 int (*o_detach)(struct obd_device *dev);
222 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
223 int (*o_cleanup)(struct obd_device *dev);
224 int (*o_connect)(struct lustre_handle *conn, struct obd_device *src);
225 int (*o_disconnect)(struct lustre_handle *conn);
228 int (*o_statfs)(struct lustre_handle *conn, struct statfs *statfs);
229 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
231 int (*o_create)(struct lustre_handle *conn, struct obdo *oa,
232 struct lov_stripe_md **ea);
233 int (*o_destroy)(struct lustre_handle *conn, struct obdo *oa,
234 struct lov_stripe_md *ea);
235 int (*o_setattr)(struct lustre_handle *conn, struct obdo *oa,
236 struct lov_stripe_md *ea);
237 int (*o_getattr)(struct lustre_handle *conn, struct obdo *oa,
238 struct lov_stripe_md *ea);
239 int (*o_open)(struct lustre_handle *conn, struct obdo *oa,
240 struct lov_stripe_md *);
241 int (*o_close)(struct lustre_handle *conn, struct obdo *oa,
242 struct lov_stripe_md *);
243 int (*o_brw)(int rw, struct lustre_handle *conn,
244 struct lov_stripe_md *md, obd_count oa_bufs,
245 struct page **buf, obd_size *count, obd_off *offset,
246 obd_flag *flags, brw_callback_t callback, void * data);
247 int (*o_punch)(struct lustre_handle *conn, struct obdo *tgt,
248 struct lov_stripe_md *md, obd_size count,
250 int (*o_sync)(struct lustre_handle *conn, struct obdo *tgt,
251 obd_size count, obd_off offset);
252 int (*o_migrate)(struct lustre_handle *conn, struct obdo *dst,
253 struct obdo *src, obd_size count, obd_off offset);
254 int (*o_copy)(struct lustre_handle *dstconn, struct obdo *dst,
255 struct lustre_handle *srconn, struct obdo *src,
256 obd_size count, obd_off offset);
257 int (*o_iterate)(struct lustre_handle *conn,
258 int (*)(obd_id, obd_gr, void *),
259 obd_id *startid, obd_gr group, void *data);
260 int (*o_preprw)(int cmd, struct lustre_handle *conn,
261 int objcount, struct obd_ioobj *obj,
262 int niocount, struct niobuf_remote *remote,
263 struct niobuf_local *local, void **desc_private);
264 int (*o_commitrw)(int cmd, struct lustre_handle *conn,
265 int objcount, struct obd_ioobj *obj,
266 int niocount, struct niobuf_local *local,
268 int (*o_enqueue)(struct lustre_handle *conn,
269 struct lustre_handle *parent_lock, __u64 *res_id,
270 __u32 type, void *cookie, int cookielen, __u32 mode,
271 int *flags, void *cb, void *data, int datalen,
272 struct lustre_handle *lockh);
273 int (*o_cancel)(struct lustre_handle *, __u32 mode,
274 struct lustre_handle *);