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_client_info;
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 list_head mds_client_info;
101 struct mds_server_data *mds_server_data;
105 struct ptlrpc_service *ldlm_service;
106 struct ptlrpc_client *ldlm_client;
107 struct ptlrpc_connection *ldlm_server_conn;
112 struct super_block *eo_sb;
113 struct vfsmount *eo_vfsmnt;
114 struct obd_run_ctxt eo_ctxt;
117 struct file_operations *eo_fop;
118 struct inode_operations *eo_iop;
119 struct address_space_operations *eo_aops;
123 time_t recovd_waketime;
124 time_t recovd_timeout;
125 struct ptlrpc_service *recovd_service;
126 struct ptlrpc_client *recovd_client;
128 __u32 recovd_wakeup_flag;
129 spinlock_t recovd_lock;
130 struct list_head recovd_clients_lh; /* clients managed */
131 struct list_head recovd_troubled_lh; /* clients in trouble */
132 wait_queue_head_t recovd_recovery_waitq;
133 wait_queue_head_t recovd_ctl_waitq;
134 wait_queue_head_t recovd_waitq;
135 struct task_struct *recovd_thread;
139 struct obdtrace_opstats *stats;
144 unsigned int snap_index; /* which snapshot index are we accessing */
151 struct ptlrpc_service *ost_service;
152 struct lustre_handle ost_conn; /* the local connection to the OBD */
156 struct lov_tgt_desc {
158 struct lustre_handle conn;
162 struct obd_device *mdcobd;
163 struct lov_desc desc;
165 struct lov_tgt_desc *tgts;
168 struct niobuf_local {
175 void *target_private;
176 struct dentry *dentry;
179 #define N_LOCAL_TEMP_PAGE 0x00000001
181 /* corresponds to one of the obd's */
183 struct obd_type *obd_type;
185 /* common and UUID name of this device */
191 struct proc_dir_entry *obd_proc_entry;
192 struct list_head obd_exports;
193 struct list_head obd_imports;
194 struct ldlm_namespace *obd_namespace;
196 struct ext2_obd ext2;
197 struct filter_obd filter;
199 struct client_obd cli;
201 // struct osc_obd osc;
202 struct ldlm_obd ldlm;
203 struct echo_obd echo;
204 struct recovd_obd recovd;
205 struct trace_obd trace;
208 struct snap_obd snap;
213 typedef void (*brw_callback_t)(void *);
216 int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
217 void *karg, void *uarg);
218 int (*o_get_info)(struct lustre_handle *, obd_count keylen, void *key,
219 obd_count *vallen, void **val);
220 int (*o_set_info)(struct lustre_handle *, obd_count keylen, void *key,
221 obd_count vallen, void *val);
222 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
223 int (*o_detach)(struct obd_device *dev);
224 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
225 int (*o_cleanup)(struct obd_device *dev);
226 int (*o_connect)(struct lustre_handle *conn, struct obd_device *src);
227 int (*o_disconnect)(struct lustre_handle *conn);
230 int (*o_statfs)(struct lustre_handle *conn, struct statfs *statfs);
231 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
233 int (*o_create)(struct lustre_handle *conn, struct obdo *oa,
234 struct lov_stripe_md **ea);
235 int (*o_destroy)(struct lustre_handle *conn, struct obdo *oa,
236 struct lov_stripe_md *ea);
237 int (*o_setattr)(struct lustre_handle *conn, struct obdo *oa,
238 struct lov_stripe_md *ea);
239 int (*o_getattr)(struct lustre_handle *conn, struct obdo *oa,
240 struct lov_stripe_md *ea);
241 int (*o_open)(struct lustre_handle *conn, struct obdo *oa,
242 struct lov_stripe_md *);
243 int (*o_close)(struct lustre_handle *conn, struct obdo *oa,
244 struct lov_stripe_md *);
245 int (*o_brw)(int rw, struct lustre_handle *conn,
246 struct lov_stripe_md *md, obd_count oa_bufs,
247 struct page **buf, obd_size *count, obd_off *offset,
248 obd_flag *flags, brw_callback_t callback, void * data);
249 int (*o_punch)(struct lustre_handle *conn, struct obdo *tgt,
250 struct lov_stripe_md *md, obd_size count,
252 int (*o_sync)(struct lustre_handle *conn, struct obdo *tgt,
253 obd_size count, obd_off offset);
254 int (*o_migrate)(struct lustre_handle *conn, struct obdo *dst,
255 struct obdo *src, obd_size count, obd_off offset);
256 int (*o_copy)(struct lustre_handle *dstconn, struct obdo *dst,
257 struct lustre_handle *srconn, struct obdo *src,
258 obd_size count, obd_off offset);
259 int (*o_iterate)(struct lustre_handle *conn,
260 int (*)(obd_id, obd_gr, void *),
261 obd_id *startid, obd_gr group, void *data);
262 int (*o_preprw)(int cmd, struct lustre_handle *conn,
263 int objcount, struct obd_ioobj *obj,
264 int niocount, struct niobuf_remote *remote,
265 struct niobuf_local *local, void **desc_private);
266 int (*o_commitrw)(int cmd, struct lustre_handle *conn,
267 int objcount, struct obd_ioobj *obj,
268 int niocount, struct niobuf_local *local,
270 int (*o_enqueue)(struct lustre_handle *conn,
271 struct lustre_handle *parent_lock, __u64 *res_id,
272 __u32 type, void *cookie, int cookielen, __u32 mode,
273 int *flags, void *cb, void *data, int datalen,
274 struct lustre_handle *lockh);
275 int (*o_cancel)(struct lustre_handle *, __u32 mode,
276 struct lustre_handle *);