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;
68 struct ptlrpc_service *mds_service;
71 struct super_block *mds_sb;
72 struct vfsmount *mds_vfsmnt;
73 struct obd_run_ctxt mds_ctxt;
74 struct file_operations *mds_fop;
75 struct inode_operations *mds_iop;
76 struct address_space_operations *mds_aops;
77 struct mds_fs_operations *mds_fsops;
78 struct file *mds_last_rcvd;
79 __u64 mds_mount_count;
83 struct ptlrpc_service *ldlm_service;
84 struct ptlrpc_client *ldlm_client;
85 struct ptlrpc_connection *ldlm_server_conn;
90 struct super_block *eo_sb;
91 struct vfsmount *eo_vfsmnt;
92 struct obd_run_ctxt eo_ctxt;
95 struct file_operations *eo_fop;
96 struct inode_operations *eo_iop;
97 struct address_space_operations *eo_aops;
103 struct ptlrpc_service *mgr_service;
104 struct ptlrpc_client *mgr_client;
107 struct list_head mgr_connections_lh; /* connections managed by the mgr */
108 struct list_head mgr_troubled_lh; /* connections in trouble */
109 wait_queue_head_t mgr_ctl_waitq;
110 wait_queue_head_t mgr_waitq;
111 struct task_struct *mgr_thread;
115 struct obdtrace_opstats *stats;
120 unsigned int snap_index; /* which snapshot index are we accessing */
125 unsigned int raid1_count; /* how many replicas */
126 /* devices to replicate on */
127 struct obd_device *raid1_devlist[MAX_RAID1];
128 /* connections we make */
129 struct obd_conn_info raid1_connections[MAX_RAID1];
130 struct list_head raid1_clients; /* clients we have */
135 struct ptlrpc_service *ost_service;
137 struct obd_device *ost_tgt;
138 struct obd_conn ost_conn;
142 struct obd_device *osc_tgt;
143 struct ptlrpc_client *osc_client;
144 struct ptlrpc_connection *osc_conn;
147 /* corresponds to one of the obd's */
150 struct obd_type *obd_type;
154 struct obd_devicename obd_fsname;
155 struct proc_dir_entry *obd_proc_entry;
157 struct obd_conn obd_multi_conn[MAX_MULTI];
158 unsigned int obd_gen_last_id;
159 unsigned long obd_gen_prealloc_quota;
160 struct list_head obd_gen_clients;
161 struct list_head obd_req_list;
162 wait_queue_head_t obd_req_waitq;
164 struct ext2_obd ext2;
165 struct filter_obd filter;
169 struct ldlm_obd ldlm;
170 struct echo_obd echo;
171 struct connmgr_obd mgr;
172 struct trace_obd trace;
174 struct raid1_obd raid1;
175 struct snap_obd snap;
181 int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg,
183 int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
184 obd_count *vallen, void **val);
185 int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
186 obd_count vallen, void *val);
187 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
188 int (*o_detach)(struct obd_device *dev);
189 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
190 int (*o_cleanup)(struct obd_device *dev);
191 int (*o_connect)(struct obd_conn *conn);
192 int (*o_disconnect)(struct obd_conn *conn);
193 int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
194 int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
195 int (*o_create)(struct obd_conn *conn, struct obdo *oa);
196 int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
197 int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
198 int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
199 int (*o_open)(struct obd_conn *conn, struct obdo *oa);
200 int (*o_close)(struct obd_conn *conn, struct obdo *oa);
201 int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
202 obd_size *count, obd_off offset);
203 int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
204 obd_size *count, obd_off offset);
205 int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
206 struct obdo **oa, obd_count *oa_bufs, struct page **buf,
207 obd_size *count, obd_off *offset, obd_flag *flags);
208 int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
210 int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
212 int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
213 struct obdo *src, obd_size count, obd_off offset);
214 int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
215 struct obd_conn *srconn, struct obdo *src,
216 obd_size count, obd_off offset);
217 int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
218 obd_id *startid, obd_gr group, void *data);
219 int (*o_preprw)(int cmd, struct obd_conn *conn,
220 int objcount, struct obd_ioobj *obj,
221 int niocount, struct niobuf *nb,
223 int (*o_commitrw)(int cmd, struct obd_conn *conn,
224 int objcount, struct obd_ioobj *obj,
225 int niocount, struct niobuf *res);