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>
18 struct obd_conn_info {
19 unsigned int conn_id; /* handle */
23 struct list_head typ_chain;
24 struct obd_ops *typ_ops;
30 struct vfsmount *pwdmnt;
36 struct obd_device *oc_dev;
40 struct obd_devicename {
43 struct dentry *dentry; /* file system obd device names */
44 __u8 _uuid[16]; /* uuid obd device names */
48 /* Individual type definitions */
51 struct super_block *e2_sb;
52 struct vfsmount *e2_vfsmnt;
57 struct super_block *fo_sb;
58 struct vfsmount *fo_vfsmnt;
59 struct obd_run_ctxt fo_ctxt;
62 struct file_operations *fo_fop;
63 struct inode_operations *fo_iop;
64 struct address_space_operations *fo_aops;
67 struct mds_client_info;
68 struct mds_server_data;
71 struct ptlrpc_service *mds_service;
74 struct super_block *mds_sb;
75 struct vfsmount *mds_vfsmnt;
76 struct obd_run_ctxt mds_ctxt;
77 struct file_operations *mds_fop;
78 struct inode_operations *mds_iop;
79 struct address_space_operations *mds_aops;
80 struct mds_fs_operations *mds_fsops;
81 struct file *mds_rcvd_filp;
83 __u64 mds_mount_count;
84 struct ll_fid mds_rootfid;
86 struct mds_client_info *mds_client_info;
87 struct mds_server_data *mds_server_data;
91 struct ptlrpc_service *ldlm_service;
92 struct ptlrpc_client *ldlm_client;
93 struct ptlrpc_connection *ldlm_server_conn;
98 struct super_block *eo_sb;
99 struct vfsmount *eo_vfsmnt;
100 struct obd_run_ctxt eo_ctxt;
103 struct file_operations *eo_fop;
104 struct inode_operations *eo_iop;
105 struct address_space_operations *eo_aops;
109 time_t recovd_waketime;
110 time_t recovd_timeout;
111 struct ptlrpc_service *recovd_service;
112 struct ptlrpc_client *recovd_client;
114 spinlock_t recovd_lock;
115 struct list_head recovd_connections_lh; /* connections managed by the mgr */
116 struct list_head recovd_troubled_lh; /* connections in trouble */
117 wait_queue_head_t recovd_recovery_waitq;
118 wait_queue_head_t recovd_ctl_waitq;
119 wait_queue_head_t recovd_waitq;
120 struct task_struct *recovd_thread;
124 struct obdtrace_opstats *stats;
129 unsigned int snap_index; /* which snapshot index are we accessing */
134 unsigned int raid1_count; /* how many replicas */
135 /* devices to replicate on */
136 struct obd_device *raid1_devlist[MAX_RAID1];
137 /* connections we make */
138 struct obd_conn_info raid1_connections[MAX_RAID1];
139 struct list_head raid1_clients; /* clients we have */
144 struct ptlrpc_service *ost_service;
146 struct obd_device *ost_tgt;
147 struct obd_conn ost_conn;
151 struct obd_device *osc_tgt;
152 struct ptlrpc_client *osc_client;
153 struct ptlrpc_client *osc_ldlm_client;
154 struct ptlrpc_connection *osc_conn;
157 /* corresponds to one of the obd's */
160 struct obd_type *obd_type;
167 struct obd_devicename obd_fsname;
168 struct proc_dir_entry *obd_proc_entry;
170 struct obd_conn obd_multi_conn[MAX_MULTI];
171 unsigned int obd_gen_last_id;
172 unsigned long obd_gen_prealloc_quota;
173 struct list_head obd_gen_clients;
174 struct list_head obd_req_list;
175 wait_queue_head_t obd_req_waitq;
177 struct ext2_obd ext2;
178 struct filter_obd filter;
182 struct ldlm_obd ldlm;
183 struct echo_obd echo;
184 struct recovd_obd recovd;
185 struct trace_obd trace;
187 struct raid1_obd raid1;
188 struct snap_obd snap;
194 int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg,
196 int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
197 obd_count *vallen, void **val);
198 int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
199 obd_count vallen, void *val);
200 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
201 int (*o_detach)(struct obd_device *dev);
202 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
203 int (*o_cleanup)(struct obd_device *dev);
204 int (*o_connect)(struct obd_conn *conn);
205 int (*o_disconnect)(struct obd_conn *conn);
208 int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
209 int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
210 int (*o_create)(struct obd_conn *conn, struct obdo *oa);
211 int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
212 int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
213 int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
214 int (*o_open)(struct obd_conn *conn, struct obdo *oa);
215 int (*o_close)(struct obd_conn *conn, struct obdo *oa);
216 int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
217 obd_size *count, obd_off offset);
218 int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
219 obd_size *count, obd_off offset);
220 int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
221 struct obdo **oa, obd_count *oa_bufs, struct page **buf,
222 obd_size *count, obd_off *offset, obd_flag *flags);
223 int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
225 int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
227 int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
228 struct obdo *src, obd_size count, obd_off offset);
229 int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
230 struct obd_conn *srconn, struct obdo *src,
231 obd_size count, obd_off offset);
232 int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
233 obd_id *startid, obd_gr group, void *data);
234 int (*o_preprw)(int cmd, struct obd_conn *conn,
235 int objcount, struct obd_ioobj *obj,
236 int niocount, struct niobuf *nb,
238 int (*o_commitrw)(int cmd, struct obd_conn *conn,
239 int objcount, struct obd_ioobj *obj,
240 int niocount, struct niobuf *res);