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_lib.h>
18 #include <linux/lustre_idl.h>
21 struct list_head typ_chain;
22 struct obd_ops *typ_ops;
34 /* Individual type definitions */
37 struct super_block *e2_sb;
38 struct vfsmount *e2_vfsmnt;
41 #define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
42 #define OBD_CTXT_DEBUG /* development-only debugging */
44 struct vfsmount *pwdmnt;
53 #define OBD_SET_CTXT_MAGIC(ctxt) (ctxt)->magic = OBD_RUN_CTXT_MAGIC
55 #define OBD_SET_CTXT_MAGIC(ctxt) do {} while(0)
60 struct super_block *fo_sb;
61 struct vfsmount *fo_vfsmnt;
62 struct obd_run_ctxt fo_ctxt;
63 struct dentry *fo_dentry_O;
64 struct dentry *fo_dentry_O_mode[16];
67 struct file_operations *fo_fop;
68 struct inode_operations *fo_iop;
69 struct address_space_operations *fo_aops;
72 struct mds_server_data;
75 struct ptlrpc_client *cl_client;
76 struct ptlrpc_client *cl_ldlm_client;
77 struct ptlrpc_connection *cl_conn;
78 struct lustre_handle cl_exporth;
79 struct semaphore cl_sem;
81 __u8 cl_target_uuid[37];
86 struct ptlrpc_service *mds_service;
89 struct super_block *mds_sb;
90 struct super_operations *mds_sop;
91 struct vfsmount *mds_vfsmnt;
92 struct obd_run_ctxt mds_ctxt;
93 struct file_operations *mds_fop;
94 struct inode_operations *mds_iop;
95 struct address_space_operations *mds_aops;
96 struct mds_fs_operations *mds_fsops;
98 struct file *mds_rcvd_filp;
99 __u64 mds_last_committed;
101 __u64 mds_mount_count;
102 struct ll_fid mds_rootfid;
103 struct mds_server_data *mds_server_data;
107 struct ptlrpc_service *ldlm_service;
108 struct ptlrpc_client *ldlm_client;
109 struct ptlrpc_connection *ldlm_server_conn;
114 struct super_block *eo_sb;
115 struct vfsmount *eo_vfsmnt;
116 struct obd_run_ctxt eo_ctxt;
119 struct file_operations *eo_fop;
120 struct inode_operations *eo_iop;
121 struct address_space_operations *eo_aops;
125 time_t recovd_waketime;
126 time_t recovd_timeout;
127 struct ptlrpc_service *recovd_service;
128 struct ptlrpc_client *recovd_client;
130 __u32 recovd_wakeup_flag;
131 spinlock_t recovd_lock;
132 struct list_head recovd_clients_lh; /* clients managed */
133 struct list_head recovd_troubled_lh; /* clients in trouble */
134 wait_queue_head_t recovd_recovery_waitq;
135 wait_queue_head_t recovd_ctl_waitq;
136 wait_queue_head_t recovd_waitq;
137 struct task_struct *recovd_thread;
141 struct obdtrace_opstats *stats;
146 unsigned int snap_index; /* which snapshot index are we accessing */
153 struct ptlrpc_service *ost_service;
154 struct lustre_handle ost_conn; /* the local connection to the OBD */
158 struct lov_tgt_desc {
160 struct lustre_handle conn;
164 struct obd_device *mdcobd;
165 struct lov_desc desc;
167 struct lov_tgt_desc *tgts;
170 struct niobuf_local {
177 void *target_private;
178 struct dentry *dentry;
181 #define N_LOCAL_TEMP_PAGE 0x00000001
183 /* corresponds to one of the obd's */
185 struct obd_type *obd_type;
187 /* common and UUID name of this device */
193 struct proc_dir_entry *obd_proc_entry;
194 struct list_head obd_exports;
195 struct list_head obd_imports;
196 struct ldlm_namespace *obd_namespace;
198 struct ext2_obd ext2;
199 struct filter_obd filter;
201 struct client_obd cli;
203 // struct osc_obd osc;
204 struct ldlm_obd ldlm;
205 struct echo_obd echo;
206 struct recovd_obd recovd;
207 struct trace_obd trace;
210 struct snap_obd snap;
218 int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
219 void *karg, void *uarg);
220 int (*o_get_info)(struct lustre_handle *, obd_count keylen, void *key,
221 obd_count *vallen, void **val);
222 int (*o_set_info)(struct lustre_handle *, obd_count keylen, void *key,
223 obd_count vallen, void *val);
224 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
225 int (*o_detach)(struct obd_device *dev);
226 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
227 int (*o_cleanup)(struct obd_device *dev);
228 int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
230 int (*o_disconnect)(struct lustre_handle *conn);
233 int (*o_statfs)(struct lustre_handle *conn, struct statfs *statfs);
234 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
236 int (*o_create)(struct lustre_handle *conn, struct obdo *oa,
237 struct lov_stripe_md **ea);
238 int (*o_destroy)(struct lustre_handle *conn, struct obdo *oa,
239 struct lov_stripe_md *ea);
240 int (*o_setattr)(struct lustre_handle *conn, struct obdo *oa,
241 struct lov_stripe_md *ea);
242 int (*o_getattr)(struct lustre_handle *conn, struct obdo *oa,
243 struct lov_stripe_md *ea);
244 int (*o_open)(struct lustre_handle *conn, struct obdo *oa,
245 struct lov_stripe_md *);
246 int (*o_close)(struct lustre_handle *conn, struct obdo *oa,
247 struct lov_stripe_md *);
248 int (*o_brw)(int rw, struct lustre_handle *conn,
249 struct lov_stripe_md *md, obd_count oa_bufs,
250 struct brw_page *pgarr, brw_callback_t callback,
251 struct io_cb_data *data);
252 int (*o_punch)(struct lustre_handle *conn, struct obdo *tgt,
253 struct lov_stripe_md *md, obd_size count,
255 int (*o_sync)(struct lustre_handle *conn, struct obdo *tgt,
256 obd_size count, obd_off offset);
257 int (*o_migrate)(struct lustre_handle *conn, struct obdo *dst,
258 struct obdo *src, obd_size count, obd_off offset);
259 int (*o_copy)(struct lustre_handle *dstconn, struct obdo *dst,
260 struct lustre_handle *srconn, struct obdo *src,
261 obd_size count, obd_off offset);
262 int (*o_iterate)(struct lustre_handle *conn,
263 int (*)(obd_id, obd_gr, void *),
264 obd_id *startid, obd_gr group, void *data);
265 int (*o_preprw)(int cmd, struct lustre_handle *conn,
266 int objcount, struct obd_ioobj *obj,
267 int niocount, struct niobuf_remote *remote,
268 struct niobuf_local *local, void **desc_private);
269 int (*o_commitrw)(int cmd, struct lustre_handle *conn,
270 int objcount, struct obd_ioobj *obj,
271 int niocount, struct niobuf_local *local,
273 int (*o_enqueue)(struct lustre_handle *conn, struct lov_stripe_md *md,
274 struct lustre_handle *parent_lock,
275 __u32 type, void *cookie, int cookielen, __u32 mode,
276 int *flags, void *cb, void *data, int datalen,
277 struct lustre_handle *lockh);
278 int (*o_cancel)(struct lustre_handle *, struct lov_stripe_md *md, __u32 mode, struct lustre_handle *);