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;
60 struct dentry *fo_dentry_O;
61 struct dentry *fo_dentry_O_mode[16];
64 struct file_operations *fo_fop;
65 struct inode_operations *fo_iop;
66 struct address_space_operations *fo_aops;
69 struct mds_client_info;
70 struct mds_server_data;
73 struct ptlrpc_service *mds_service;
76 struct super_block *mds_sb;
77 struct vfsmount *mds_vfsmnt;
78 struct obd_run_ctxt mds_ctxt;
79 struct file_operations *mds_fop;
80 struct inode_operations *mds_iop;
81 struct address_space_operations *mds_aops;
82 struct mds_fs_operations *mds_fsops;
83 struct file *mds_rcvd_filp;
84 __u64 mds_last_committed;
86 __u64 mds_mount_count;
87 struct ll_fid mds_rootfid;
89 struct list_head mds_client_info;
90 struct mds_server_data *mds_server_data;
94 struct ptlrpc_service *ldlm_service;
95 struct ptlrpc_client *ldlm_client;
96 struct ptlrpc_connection *ldlm_server_conn;
101 struct super_block *eo_sb;
102 struct vfsmount *eo_vfsmnt;
103 struct obd_run_ctxt eo_ctxt;
106 struct file_operations *eo_fop;
107 struct inode_operations *eo_iop;
108 struct address_space_operations *eo_aops;
112 time_t recovd_waketime;
113 time_t recovd_timeout;
114 struct ptlrpc_service *recovd_service;
115 struct ptlrpc_client *recovd_client;
117 __u32 recovd_wakeup_flag;
118 spinlock_t recovd_lock;
119 struct list_head recovd_clients_lh; /* clients managed */
120 struct list_head recovd_troubled_lh; /* clients in trouble */
121 wait_queue_head_t recovd_recovery_waitq;
122 wait_queue_head_t recovd_ctl_waitq;
123 wait_queue_head_t recovd_waitq;
124 struct task_struct *recovd_thread;
128 struct obdtrace_opstats *stats;
133 unsigned int snap_index; /* which snapshot index are we accessing */
138 unsigned int raid1_count; /* how many replicas */
139 /* devices to replicate on */
140 struct obd_device *raid1_devlist[MAX_RAID1];
141 /* connections we make */
142 struct obd_conn_info raid1_connections[MAX_RAID1];
143 struct list_head raid1_clients; /* clients we have */
148 struct ptlrpc_service *ost_service;
150 struct obd_device *ost_tgt;
151 struct obd_conn ost_conn;
155 struct obd_device *osc_tgt;
156 struct ptlrpc_client *osc_client;
157 struct ptlrpc_client *osc_ldlm_client;
158 struct ptlrpc_connection *osc_conn;
163 struct obd_conn *lov_targets;
166 /* corresponds to one of the obd's */
169 struct obd_type *obd_type;
176 struct obd_devicename obd_fsname;
177 struct proc_dir_entry *obd_proc_entry;
179 struct obd_conn obd_multi_conn[MAX_MULTI];
180 unsigned int obd_gen_last_id;
181 unsigned long obd_gen_prealloc_quota;
182 struct list_head obd_gen_clients;
183 struct list_head obd_req_list;
184 wait_queue_head_t obd_req_waitq;
185 struct ldlm_namespace *obd_namespace;
187 struct ext2_obd ext2;
188 struct filter_obd filter;
192 struct ldlm_obd ldlm;
193 struct echo_obd echo;
194 struct recovd_obd recovd;
195 struct trace_obd trace;
198 struct raid1_obd raid1;
199 struct snap_obd snap;
205 int (*o_iocontrol)(long cmd, struct obd_conn *, int len, void *karg,
207 int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
208 obd_count *vallen, void **val);
209 int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
210 obd_count vallen, void *val);
211 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
212 int (*o_detach)(struct obd_device *dev);
213 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
214 int (*o_cleanup)(struct obd_device *dev);
215 int (*o_connect)(struct obd_conn *conn);
216 int (*o_disconnect)(struct obd_conn *conn);
219 int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
220 int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
221 int (*o_create)(struct obd_conn *conn, struct obdo *oa);
222 int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
223 int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
224 int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
225 int (*o_open)(struct obd_conn *conn, struct obdo *oa);
226 int (*o_close)(struct obd_conn *conn, struct obdo *oa);
227 int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
228 obd_size *count, obd_off offset);
229 int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
230 obd_size *count, obd_off offset);
231 int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
232 struct obdo **oa, obd_count *oa_bufs, struct page **buf,
233 obd_size *count, obd_off *offset, obd_flag *flags);
234 int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
236 int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
238 int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
239 struct obdo *src, obd_size count, obd_off offset);
240 int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
241 struct obd_conn *srconn, struct obdo *src,
242 obd_size count, obd_off offset);
243 int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
244 obd_id *startid, obd_gr group, void *data);
245 int (*o_preprw)(int cmd, struct obd_conn *conn,
246 int objcount, struct obd_ioobj *obj,
247 int niocount, struct niobuf_remote *remote,
248 struct niobuf_local *local);
249 int (*o_commitrw)(int cmd, struct obd_conn *conn,
250 int objcount, struct obd_ioobj *obj,
251 int niocount, struct niobuf_local *local);
252 int (*o_enqueue)(struct obd_conn *conn, struct ldlm_namespace *ns,
253 struct ldlm_handle *parent_lock, __u64 *res_id,
254 __u32 type, struct ldlm_extent *, __u32 mode,
255 int *flags, void *data, int datalen,
256 struct ldlm_handle *lockh);
257 int (*o_cancel)(struct obd_conn *, __u32 mode, struct ldlm_handle *);