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>
15 #include <linux/proc_fs.h>
17 #include <linux/lustre_idl.h>
20 struct list_head typ_chain;
21 struct obd_ops *typ_ops;
27 /* Individual type definitions */
30 struct super_block *e2_sb;
31 struct vfsmount *e2_vfsmnt;
34 #define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
35 #define OBD_CTXT_DEBUG /* development-only debugging */
37 struct vfsmount *pwdmnt;
47 struct super_block *fo_sb;
48 struct vfsmount *fo_vfsmnt;
49 struct obd_run_ctxt fo_ctxt;
50 struct dentry *fo_dentry_O;
51 struct dentry *fo_dentry_O_mode[16];
54 struct file_operations *fo_fop;
55 struct inode_operations *fo_iop;
56 struct address_space_operations *fo_aops;
59 struct mds_server_data;
62 struct ptlrpc_client *cl_client;
63 struct ptlrpc_client *cl_ldlm_client;
64 struct ptlrpc_connection *cl_conn;
65 struct lustre_handle cl_exporth;
66 struct semaphore cl_sem;
68 __u8 cl_target_uuid[37];
74 struct ptlrpc_client *osc_client;
75 struct ptlrpc_client *osc_ldlm_client;
76 struct ptlrpc_connection *osc_conn;
77 __u8 osc_target_uuid[37];
82 struct ptlrpc_service *mds_service;
85 struct super_block *mds_sb;
86 struct super_operations *mds_sop;
87 struct vfsmount *mds_vfsmnt;
88 struct obd_run_ctxt mds_ctxt;
89 struct file_operations *mds_fop;
90 struct inode_operations *mds_iop;
91 struct address_space_operations *mds_aops;
92 struct mds_fs_operations *mds_fsops;
94 struct file *mds_rcvd_filp;
95 __u64 mds_last_committed;
97 __u64 mds_mount_count;
98 struct ll_fid mds_rootfid;
100 struct mds_server_data *mds_server_data;
104 struct ptlrpc_service *ldlm_service;
105 struct ptlrpc_client *ldlm_client;
106 struct ptlrpc_connection *ldlm_server_conn;
111 struct super_block *eo_sb;
112 struct vfsmount *eo_vfsmnt;
113 struct obd_run_ctxt eo_ctxt;
116 struct file_operations *eo_fop;
117 struct inode_operations *eo_iop;
118 struct address_space_operations *eo_aops;
122 time_t recovd_waketime;
123 time_t recovd_timeout;
124 struct ptlrpc_service *recovd_service;
125 struct ptlrpc_client *recovd_client;
127 __u32 recovd_wakeup_flag;
128 spinlock_t recovd_lock;
129 struct list_head recovd_clients_lh; /* clients managed */
130 struct list_head recovd_troubled_lh; /* clients in trouble */
131 wait_queue_head_t recovd_recovery_waitq;
132 wait_queue_head_t recovd_ctl_waitq;
133 wait_queue_head_t recovd_waitq;
134 struct task_struct *recovd_thread;
138 struct obdtrace_opstats *stats;
143 unsigned int snap_index; /* which snapshot index are we accessing */
150 struct ptlrpc_service *ost_service;
151 struct lustre_handle ost_conn; /* the local connection to the OBD */
155 struct lov_tgt_desc {
157 struct lustre_handle conn;
161 struct obd_device *mdcobd;
162 struct lov_desc desc;
164 struct lov_tgt_desc *tgts;
167 struct niobuf_local {
174 void *target_private;
175 struct dentry *dentry;
178 #define N_LOCAL_TEMP_PAGE 0x00000001
180 /* corresponds to one of the obd's */
182 struct obd_type *obd_type;
184 /* common and UUID name of this device */
190 struct proc_dir_entry *obd_proc_entry;
191 struct list_head obd_exports;
192 struct list_head obd_imports;
193 struct ldlm_namespace *obd_namespace;
195 struct ext2_obd ext2;
196 struct filter_obd filter;
198 struct client_obd cli;
200 // struct osc_obd osc;
201 struct ldlm_obd ldlm;
202 struct echo_obd echo;
203 struct recovd_obd recovd;
204 struct trace_obd trace;
207 struct snap_obd snap;
212 typedef void (*brw_callback_t)(void *);
215 int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
216 void *karg, void *uarg);
217 int (*o_get_info)(struct lustre_handle *, obd_count keylen, void *key,
218 obd_count *vallen, void **val);
219 int (*o_set_info)(struct lustre_handle *, obd_count keylen, void *key,
220 obd_count vallen, void *val);
221 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
222 int (*o_detach)(struct obd_device *dev);
223 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
224 int (*o_cleanup)(struct obd_device *dev);
225 int (*o_connect)(struct lustre_handle *conn, struct obd_device *src);
226 int (*o_disconnect)(struct lustre_handle *conn);
229 int (*o_statfs)(struct lustre_handle *conn, struct statfs *statfs);
230 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
232 int (*o_create)(struct lustre_handle *conn, struct obdo *oa,
233 struct lov_stripe_md **ea);
234 int (*o_destroy)(struct lustre_handle *conn, struct obdo *oa,
235 struct lov_stripe_md *ea);
236 int (*o_setattr)(struct lustre_handle *conn, struct obdo *oa,
237 struct lov_stripe_md *ea);
238 int (*o_getattr)(struct lustre_handle *conn, struct obdo *oa,
239 struct lov_stripe_md *ea);
240 int (*o_open)(struct lustre_handle *conn, struct obdo *oa,
241 struct lov_stripe_md *);
242 int (*o_close)(struct lustre_handle *conn, struct obdo *oa,
243 struct lov_stripe_md *);
244 int (*o_brw)(int rw, struct lustre_handle *conn,
245 struct lov_stripe_md *md, obd_count oa_bufs,
246 struct page **buf, obd_size *count, obd_off *offset,
247 obd_flag *flags, brw_callback_t callback, void * data);
248 int (*o_punch)(struct lustre_handle *conn, struct obdo *tgt,
249 struct lov_stripe_md *md, obd_size count,
251 int (*o_sync)(struct lustre_handle *conn, struct obdo *tgt,
252 obd_size count, obd_off offset);
253 int (*o_migrate)(struct lustre_handle *conn, struct obdo *dst,
254 struct obdo *src, obd_size count, obd_off offset);
255 int (*o_copy)(struct lustre_handle *dstconn, struct obdo *dst,
256 struct lustre_handle *srconn, struct obdo *src,
257 obd_size count, obd_off offset);
258 int (*o_iterate)(struct lustre_handle *conn,
259 int (*)(obd_id, obd_gr, void *),
260 obd_id *startid, obd_gr group, void *data);
261 int (*o_preprw)(int cmd, struct lustre_handle *conn,
262 int objcount, struct obd_ioobj *obj,
263 int niocount, struct niobuf_remote *remote,
264 struct niobuf_local *local, void **desc_private);
265 int (*o_commitrw)(int cmd, struct lustre_handle *conn,
266 int objcount, struct obd_ioobj *obj,
267 int niocount, struct niobuf_local *local,
269 int (*o_enqueue)(struct lustre_handle *conn,
270 struct lustre_handle *parent_lock, __u64 *res_id,
271 __u32 type, void *cookie, int cookielen, __u32 mode,
272 int *flags, void *cb, void *data, int datalen,
273 struct lustre_handle *lockh);
274 int (*o_cancel)(struct lustre_handle *, __u32 mode,
275 struct lustre_handle *);