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
11 #include <linux/list.h>
12 #include <linux/smp_lock.h>
14 #include <linux/lustre_idl.h>
16 struct obd_conn_info {
17 unsigned int conn_id; /* handle */
21 struct list_head typ_chain;
22 struct obd_ops *typ_ops;
28 struct vfsmount *pwdmnt;
34 struct obd_device *oc_dev;
38 struct obd_devicename {
41 struct dentry *dentry; /* file system obd device names */
42 __u8 _uuid[16]; /* uuid obd device names */
46 /* Individual type definitions */
49 struct super_block * e2_sb;
50 struct vfsmount *e2_vfsmnt;
55 struct super_block * fo_sb;
56 struct vfsmount *fo_vfsmnt;
57 struct obd_run_ctxt fo_ctxt;
60 struct file_operations *fo_fop;
61 struct inode_operations *fo_iop;
62 struct address_space_operations *fo_aops;
66 struct ptlrpc_service *mds_service;
69 struct super_block * mds_sb;
70 struct vfsmount *mds_vfsmnt;
71 struct obd_run_ctxt mds_ctxt;
72 struct file_operations *mds_fop;
73 struct inode_operations *mds_iop;
74 struct address_space_operations *mds_aops;
78 struct ptlrpc_service *ldlm_service;
80 struct list_head ldlm_namespaces;
86 struct super_block *eo_sb;
87 struct vfsmount *eo_vfsmnt;
88 struct obd_run_ctxt eo_ctxt;
91 struct file_operations *eo_fop;
92 struct inode_operations *eo_iop;
93 struct address_space_operations *eo_aops;
97 struct obdtrace_opstats *stats;
102 unsigned int snap_index; /* which snapshot index are we accessing */
107 unsigned int raid1_count; /* how many replicas */
108 /* devices to replicate on */
109 struct obd_device *raid1_devlist[MAX_RAID1];
110 /* connections we make */
111 struct obd_conn_info raid1_connections[MAX_RAID1];
112 struct list_head raid1_clients; /* clients we have */
117 struct ptlrpc_service *ost_service;
119 struct obd_device *ost_tgt;
120 struct obd_conn ost_conn;
124 struct obd_device *osc_tgt;
125 struct ptlrpc_client *osc_peer;
128 /* corresponds to one of the obd's */
131 struct obd_type *obd_type;
135 struct obd_devicename obd_fsname;
136 struct proc_dir_entry *obd_proc_entry;
138 struct obd_conn obd_multi_conn[MAX_MULTI];
139 unsigned int obd_gen_last_id;
140 unsigned long obd_gen_prealloc_quota;
141 struct list_head obd_gen_clients;
142 struct list_head obd_req_list;
143 wait_queue_head_t obd_req_waitq;
145 struct ext2_obd ext2;
146 struct filter_obd filter;
150 struct ldlm_obd ldlm;
151 struct echo_obd echo;
152 struct trace_obd trace;
154 struct raid1_obd raid1;
155 struct snap_obd snap;
161 int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg,
163 int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
164 obd_count *vallen, void **val);
165 int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
166 obd_count vallen, void *val);
167 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
168 int (*o_detach)(struct obd_device *dev);
169 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
170 int (*o_cleanup)(struct obd_device *dev);
171 int (*o_connect)(struct obd_conn *conn);
172 int (*o_disconnect)(struct obd_conn *conn);
173 int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
174 int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
175 int (*o_create)(struct obd_conn *conn, struct obdo *oa);
176 int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
177 int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
178 int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
179 int (*o_open)(struct obd_conn *conn, struct obdo *oa);
180 int (*o_close)(struct obd_conn *conn, struct obdo *oa);
181 int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
182 obd_size *count, obd_off offset);
183 int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
184 obd_size *count, obd_off offset);
185 int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
186 struct obdo **oa, obd_count *oa_bufs, struct page **buf,
187 obd_size *count, obd_off *offset, obd_flag *flags);
188 int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
190 int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
192 int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
193 struct obdo *src, obd_size count, obd_off offset);
194 int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
195 struct obd_conn *srconn, struct obdo *src,
196 obd_size count, obd_off offset);
197 int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
198 obd_id *startid, obd_gr group, void *data);
199 int (*o_preprw)(int cmd, struct obd_conn *conn,
200 int objcount, struct obd_ioobj *obj,
201 int niocount, struct niobuf *nb,
203 int (*o_commitrw)(int cmd, struct obd_conn *conn,
204 int objcount, struct obd_ioobj *obj,
205 int niocount, struct niobuf *res);