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;
25 #define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
26 #define OBD_CTXT_DEBUG /* development-only debugging */
28 struct vfsmount *pwdmnt;
41 struct obd_device *oc_dev;
45 /* Individual type definitions */
48 struct super_block *e2_sb;
49 struct vfsmount *e2_vfsmnt;
54 struct super_block *fo_sb;
55 struct vfsmount *fo_vfsmnt;
56 struct obd_run_ctxt fo_ctxt;
57 struct dentry *fo_dentry_O;
58 struct dentry *fo_dentry_O_mode[16];
61 struct file_operations *fo_fop;
62 struct inode_operations *fo_iop;
63 struct address_space_operations *fo_aops;
66 struct mds_client_info;
67 struct mds_server_data;
70 struct ptlrpc_client *mdc_client;
71 struct ptlrpc_client *mdc_ldlm_client;
72 struct ptlrpc_connection *mdc_conn;
73 __u8 mdc_target_uuid[37];
77 struct ldlm_namespace *mds_local_namespace;
78 struct ptlrpc_service *mds_service;
79 struct ptlrpc_client *mds_ldlm_client; /* to be an LDLM client */
80 struct ptlrpc_connection *mds_ldlm_conn; /* to be an LDLM client */
83 struct super_block *mds_sb;
84 struct super_operations *mds_sop;
85 struct vfsmount *mds_vfsmnt;
86 struct obd_run_ctxt mds_ctxt;
87 struct file_operations *mds_fop;
88 struct inode_operations *mds_iop;
89 struct address_space_operations *mds_aops;
90 struct mds_fs_operations *mds_fsops;
91 struct file *mds_rcvd_filp;
92 __u64 mds_last_committed;
94 __u64 mds_mount_count;
95 struct ll_fid mds_rootfid;
97 struct list_head mds_client_info;
98 struct mds_server_data *mds_server_data;
102 struct ptlrpc_service *ldlm_service;
103 struct ptlrpc_client *ldlm_client;
104 struct ptlrpc_connection *ldlm_server_conn;
109 struct super_block *eo_sb;
110 struct vfsmount *eo_vfsmnt;
111 struct obd_run_ctxt eo_ctxt;
114 struct file_operations *eo_fop;
115 struct inode_operations *eo_iop;
116 struct address_space_operations *eo_aops;
120 time_t recovd_waketime;
121 time_t recovd_timeout;
122 struct ptlrpc_service *recovd_service;
123 struct ptlrpc_client *recovd_client;
125 __u32 recovd_wakeup_flag;
126 spinlock_t recovd_lock;
127 struct list_head recovd_clients_lh; /* clients managed */
128 struct list_head recovd_troubled_lh; /* clients in trouble */
129 wait_queue_head_t recovd_recovery_waitq;
130 wait_queue_head_t recovd_ctl_waitq;
131 wait_queue_head_t recovd_waitq;
132 struct task_struct *recovd_thread;
136 struct obdtrace_opstats *stats;
141 unsigned int snap_index; /* which snapshot index are we accessing */
148 struct ptlrpc_service *ost_service;
149 struct obd_conn ost_conn; /* the local connection to the OBD */
153 struct lustre_handle osc_connh;
154 struct ptlrpc_client *osc_client;
155 struct ptlrpc_client *osc_ldlm_client;
156 struct ptlrpc_connection *osc_conn;
157 __u8 osc_target_uuid[37];
160 typedef __u8 uuid_t[37];
164 __u32 lov_default_count;
165 __u32 lov_default_pattern;
166 __u32 lov_default_size;
167 uuid_t lov_service_uuids[MAX_MULTI];
171 struct obd_conn *lov_targets;
175 /* corresponds to one of the obd's */
177 struct obd_type *obd_type;
179 /* common and UUID name of this device */
185 struct proc_dir_entry *obd_proc_entry;
187 struct obd_conn obd_multi_conn[MAX_MULTI];
188 unsigned int obd_gen_last_id;
189 unsigned long obd_gen_prealloc_quota;
190 // struct obd_device *obd_target; /* for anything that simply layers */
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;
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;
213 int (*o_iocontrol)(long cmd, struct obd_conn *, int len, void *karg,
215 int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
216 obd_count *vallen, void **val);
217 int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
218 obd_count vallen, void *val);
219 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
220 int (*o_detach)(struct obd_device *dev);
221 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
222 int (*o_cleanup)(struct obd_device *dev);
223 int (*o_connect)(struct obd_conn *conn, struct obd_device *src);
224 int (*o_disconnect)(struct obd_conn *conn);
227 int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
228 int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
229 int (*o_create)(struct obd_conn *conn, struct obdo *oa);
230 int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
231 int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
232 int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
233 int (*o_open)(struct obd_conn *conn, struct obdo *oa);
234 int (*o_close)(struct obd_conn *conn, struct obdo *oa);
235 int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
236 struct obdo **oa, obd_count *oa_bufs, struct page **buf,
237 obd_size *count, obd_off *offset, obd_flag *flags,
239 int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
241 int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
243 int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
244 struct obdo *src, obd_size count, obd_off offset);
245 int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
246 struct obd_conn *srconn, struct obdo *src,
247 obd_size count, obd_off offset);
248 int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
249 obd_id *startid, obd_gr group, void *data);
250 int (*o_preprw)(int cmd, struct obd_conn *conn,
251 int objcount, struct obd_ioobj *obj,
252 int niocount, struct niobuf_remote *remote,
253 struct niobuf_local *local, void **desc_private);
254 int (*o_commitrw)(int cmd, struct obd_conn *conn,
255 int objcount, struct obd_ioobj *obj,
256 int niocount, struct niobuf_local *local,
258 int (*o_enqueue)(struct obd_conn *conn,
259 struct lustre_handle *parent_lock, __u64 *res_id,
260 __u32 type, void *cookie, int cookielen, __u32 mode,
261 int *flags, void *cb, void *data, int datalen,
262 struct lustre_handle *lockh);
263 int (*o_cancel)(struct obd_conn *, __u32 mode, struct lustre_handle *);