int typ_refcnt;
};
+#define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
+#define OBD_CTXT_DEBUG /* development-only debugging */
+
struct obd_run_ctxt {
struct vfsmount *pwdmnt;
struct dentry *pwd;
mm_segment_t fs;
+#ifdef OBD_CTXT_DEBUG
+ __u32 magic;
+#endif
};
struct obd_conn {
struct super_block *fo_sb;
struct vfsmount *fo_vfsmnt;
struct obd_run_ctxt fo_ctxt;
+ struct dentry *fo_dentry_O;
+ struct dentry *fo_dentry_O_mode[16];
spinlock_t fo_lock;
__u64 fo_lastino;
struct file_operations *fo_fop;
struct address_space_operations *fo_aops;
};
+struct mds_client_info;
+struct mds_server_data;
+
+struct mdc_obd {
+ struct ptlrpc_client *mdc_client;
+ struct ptlrpc_client *mdc_ldlm_client;
+ struct ptlrpc_connection *mdc_conn;
+ __u8 mdc_target_uuid[37];
+};
+
struct mds_obd {
+ struct ldlm_namespace *mds_local_namespace;
struct ptlrpc_service *mds_service;
+ struct ptlrpc_client *mds_ldlm_client; /* to be an LDLM client */
+ struct ptlrpc_connection *mds_ldlm_conn; /* to be an LDLM client */
char *mds_fstype;
struct super_block *mds_sb;
+ struct super_operations *mds_sop;
struct vfsmount *mds_vfsmnt;
struct obd_run_ctxt mds_ctxt;
struct file_operations *mds_fop;
struct inode_operations *mds_iop;
struct address_space_operations *mds_aops;
struct mds_fs_operations *mds_fsops;
- struct file *mds_last_rcvd;
+ struct file *mds_rcvd_filp;
+ __u64 mds_last_committed;
+ __u64 mds_last_rcvd;
__u64 mds_mount_count;
struct ll_fid mds_rootfid;
+ int mds_client_count;
+ struct list_head mds_client_info;
+ struct mds_server_data *mds_server_data;
};
struct ldlm_obd {
struct ptlrpc_service *recovd_service;
struct ptlrpc_client *recovd_client;
__u32 recovd_flags;
+ __u32 recovd_wakeup_flag;
spinlock_t recovd_lock;
- struct list_head recovd_connections_lh; /* connections managed by the mgr */
- struct list_head recovd_troubled_lh; /* connections in trouble */
+ struct list_head recovd_clients_lh; /* clients managed */
+ struct list_head recovd_troubled_lh; /* clients in trouble */
wait_queue_head_t recovd_recovery_waitq;
wait_queue_head_t recovd_ctl_waitq;
wait_queue_head_t recovd_waitq;
struct ost_obd {
struct ptlrpc_service *ost_service;
-
- struct obd_device *ost_tgt;
- struct obd_conn ost_conn;
+ struct obd_device *ost_tgt; /* the exported OBD */
+ struct obd_conn ost_conn; /* the local connection to the OBD */
};
struct osc_obd {
struct ptlrpc_client *osc_client;
struct ptlrpc_client *osc_ldlm_client;
struct ptlrpc_connection *osc_conn;
+ __u8 osc_target_uuid[37];
};
-/* corresponds to one of the obd's */
+typedef __u8 uuid_t[37];
+
#define MAX_MULTI 16
+struct lov_obd {
+ __u32 lov_default_count;
+ __u32 lov_default_pattern;
+ __u32 lov_default_size;
+ uuid_t lov_service_uuids[MAX_MULTI];
+
+#if 0
+ int lov_count;
+ struct obd_conn *lov_targets;
+#endif
+};
+
+/* corresponds to one of the obd's */
struct obd_device {
struct obd_type *obd_type;
+ char *obd_name;
+ __u8 obd_uuid[37];
+
int obd_minor;
int obd_flags;
int obd_refcnt;
struct list_head obd_gen_clients;
struct list_head obd_req_list;
wait_queue_head_t obd_req_waitq;
+ struct ldlm_namespace *obd_namespace;
union {
struct ext2_obd ext2;
struct filter_obd filter;
struct mds_obd mds;
+ struct mdc_obd mdc;
struct ost_obd ost;
struct osc_obd osc;
struct ldlm_obd ldlm;
struct echo_obd echo;
struct recovd_obd recovd;
struct trace_obd trace;
+ struct lov_obd lov;
#if 0
struct raid1_obd raid1;
struct snap_obd snap;
};
struct obd_ops {
- int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg,
+ int (*o_iocontrol)(long cmd, struct obd_conn *, int len, void *karg,
void *uarg);
int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
obd_count *vallen, void **val);
int (*o_cleanup)(struct obd_device *dev);
int (*o_connect)(struct obd_conn *conn);
int (*o_disconnect)(struct obd_conn *conn);
+
+
int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
int (*o_create)(struct obd_conn *conn, struct obdo *oa);
obd_size *count, obd_off offset);
int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
struct obdo **oa, obd_count *oa_bufs, struct page **buf,
- obd_size *count, obd_off *offset, obd_flag *flags);
+ obd_size *count, obd_off *offset, obd_flag *flags,
+ void *);
int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
obd_off offset);
int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
obd_id *startid, obd_gr group, void *data);
int (*o_preprw)(int cmd, struct obd_conn *conn,
int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf *nb,
- struct niobuf *res);
+ int niocount, struct niobuf_remote *remote,
+ struct niobuf_local *local, void **desc_private);
int (*o_commitrw)(int cmd, struct obd_conn *conn,
int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf *res);
+ int niocount, struct niobuf_local *local,
+ void *desc_private);
+ int (*o_enqueue)(struct obd_conn *conn,
+ struct lustre_handle *parent_lock, __u64 *res_id,
+ __u32 type, void *cookie, int cookielen, __u32 mode,
+ int *flags, void *cb, void *data, int datalen,
+ struct lustre_handle *lockh);
+ int (*o_cancel)(struct obd_conn *, __u32 mode, struct lustre_handle *);
};
#endif