#include <linux/fs.h>
#include <linux/list.h>
#include <linux/smp_lock.h>
+#include <linux/proc_fs.h>
+#include <linux/lustre_lib.h>
#include <linux/lustre_idl.h>
-struct obd_conn_info {
- unsigned int conn_id; /* handle */
-};
-
struct obd_type {
struct list_head typ_chain;
struct obd_ops *typ_ops;
int typ_refcnt;
};
-struct obd_run_ctxt {
- struct vfsmount *pwdmnt;
- struct dentry *pwd;
- mm_segment_t fs;
-};
-
-struct obd_conn {
- struct obd_device *oc_dev;
- uint32_t oc_id;
+struct brw_page {
+ struct page *pg;
+ obd_size count;
+ obd_off off;
+ obd_flag flag;
};
-struct obd_devicename {
- uint32_t len;
- char *name;
- struct dentry *dentry; /* file system obd device names */
- __u8 _uuid[16]; /* uuid obd device names */
-};
-
-
/* Individual type definitions */
struct ext2_obd {
struct vfsmount *e2_vfsmnt;
};
+#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
+};
+
+#ifdef OBD_CTXT_DEBUG
+#define OBD_SET_CTXT_MAGIC(ctxt) (ctxt)->magic = OBD_RUN_CTXT_MAGIC
+#else
+#define OBD_SET_CTXT_MAGIC(ctxt) do {} while(0)
+#endif
+
struct filter_obd {
char *fo_fstype;
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 client_obd {
+ struct ptlrpc_client *cl_client;
+ struct ptlrpc_client *cl_ldlm_client;
+ struct ptlrpc_connection *cl_conn;
+ struct lustre_handle cl_exporth;
+ struct semaphore cl_sem;
+ int cl_conn_count;
+ __u8 cl_target_uuid[37];
+ int cl_max_mdsize;
+};
+
struct mds_obd {
struct ptlrpc_service *mds_service;
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;
+ int mds_max_mdsize;
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;
};
int snap_tableno;
};
-struct raid1_obd {
- unsigned int raid1_count; /* how many replicas */
- /* devices to replicate on */
- struct obd_device *raid1_devlist[MAX_RAID1];
- /* connections we make */
- struct obd_conn_info raid1_connections[MAX_RAID1];
- struct list_head raid1_clients; /* clients we have */
-};
#endif
struct ost_obd {
struct ptlrpc_service *ost_service;
+ struct lustre_handle ost_conn; /* the local connection to the OBD */
+};
- struct obd_device *ost_tgt;
- struct obd_conn ost_conn;
+
+struct lov_tgt_desc {
+ uuid_t uuid;
+ struct lustre_handle conn;
};
-struct osc_obd {
- struct obd_device *osc_tgt;
- struct ptlrpc_client *osc_client;
- struct ptlrpc_client *osc_ldlm_client;
- struct ptlrpc_connection *osc_conn;
+struct lov_obd {
+ struct obd_device *mdcobd;
+ struct lov_desc desc;
+ int bufsize;
+ struct lov_tgt_desc *tgts;
};
+struct niobuf_local {
+ __u64 offset;
+ __u32 len;
+ __u32 xid;
+ __u32 flags;
+ void *addr;
+ struct page *page;
+ void *target_private;
+ struct dentry *dentry;
+};
+
+#define N_LOCAL_TEMP_PAGE 0x00000001
+
/* corresponds to one of the obd's */
-#define MAX_MULTI 16
struct obd_device {
struct obd_type *obd_type;
+
+ /* common and UUID name of this device */
char *obd_name;
__u8 obd_uuid[37];
int obd_minor;
int obd_flags;
- int obd_refcnt;
- struct obd_devicename obd_fsname;
struct proc_dir_entry *obd_proc_entry;
- int obd_multi_count;
- struct obd_conn obd_multi_conn[MAX_MULTI];
- unsigned int obd_gen_last_id;
- unsigned long obd_gen_prealloc_quota;
- struct list_head obd_gen_clients;
- struct list_head obd_req_list;
- wait_queue_head_t obd_req_waitq;
+ struct list_head obd_exports;
+ struct list_head obd_imports;
struct ldlm_namespace *obd_namespace;
union {
struct ext2_obd ext2;
struct filter_obd filter;
struct mds_obd mds;
+ struct client_obd cli;
struct ost_obd ost;
- struct osc_obd osc;
+ // 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;
#endif
} u;
};
+struct io_cb_data;
+
struct obd_ops {
- int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg,
- void *uarg);
- int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
+ int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
+ void *karg, void *uarg);
+ int (*o_get_info)(struct lustre_handle *, obd_count keylen, void *key,
obd_count *vallen, void **val);
- int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
+ int (*o_set_info)(struct lustre_handle *, obd_count keylen, void *key,
obd_count vallen, void *val);
int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
int (*o_detach)(struct obd_device *dev);
int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
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);
- int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
- int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
- int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
- int (*o_open)(struct obd_conn *conn, struct obdo *oa);
- int (*o_close)(struct obd_conn *conn, struct obdo *oa);
- int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
- obd_size *count, obd_off offset);
- int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
- 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);
- int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
+ int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
+ char *cluuid);
+ int (*o_disconnect)(struct lustre_handle *conn);
+
+
+ int (*o_statfs)(struct lustre_handle *conn, struct statfs *statfs);
+ int (*o_preallocate)(struct lustre_handle *, obd_count *req,
+ obd_id *ids);
+ int (*o_create)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md **ea);
+ int (*o_destroy)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *ea);
+ int (*o_setattr)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *ea);
+ int (*o_getattr)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *ea);
+ int (*o_open)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *);
+ int (*o_close)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *);
+ int (*o_brw)(int rw, struct lustre_handle *conn,
+ struct lov_stripe_md *md, obd_count oa_bufs,
+ struct brw_page *pgarr, brw_callback_t callback,
+ struct io_cb_data *data);
+ int (*o_punch)(struct lustre_handle *conn, struct obdo *tgt,
+ struct lov_stripe_md *md, obd_size count,
obd_off offset);
- int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
- obd_off offset);
- int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
+ int (*o_sync)(struct lustre_handle *conn, struct obdo *tgt,
+ obd_size count, obd_off offset);
+ int (*o_migrate)(struct lustre_handle *conn, struct obdo *dst,
struct obdo *src, obd_size count, obd_off offset);
- int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
- struct obd_conn *srconn, struct obdo *src,
+ int (*o_copy)(struct lustre_handle *dstconn, struct obdo *dst,
+ struct lustre_handle *srconn, struct obdo *src,
obd_size count, obd_off offset);
- int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
+ int (*o_iterate)(struct lustre_handle *conn,
+ int (*)(obd_id, obd_gr, void *),
obd_id *startid, obd_gr group, void *data);
- int (*o_preprw)(int cmd, struct obd_conn *conn,
+ int (*o_preprw)(int cmd, struct lustre_handle *conn,
int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf *nb,
- struct niobuf *res);
- int (*o_commitrw)(int cmd, struct obd_conn *conn,
+ int niocount, struct niobuf_remote *remote,
+ struct niobuf_local *local, void **desc_private);
+ int (*o_commitrw)(int cmd, struct lustre_handle *conn,
int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf *res);
- int (*o_enqueue)(struct obd_conn *conn, struct ldlm_namespace *ns,
- struct ldlm_handle *parent_lock, __u64 *res_id,
- __u32 type, struct ldlm_extent *, __u32 mode,
- int *flags, void *data, int datalen,
- struct ldlm_handle *lockh);
- int (*o_cancel)(struct obd_conn *, __u32 mode, struct ldlm_handle *);
+ int niocount, struct niobuf_local *local,
+ void *desc_private);
+ int (*o_enqueue)(struct lustre_handle *conn, struct lov_stripe_md *md,
+ struct lustre_handle *parent_lock,
+ __u32 type, void *cookie, int cookielen, __u32 mode,
+ int *flags, void *cb, void *data, int datalen,
+ struct lustre_handle *lockh);
+ int (*o_cancel)(struct lustre_handle *, struct lov_stripe_md *md, __u32 mode, struct lustre_handle *);
};
+/* FIXME: for 64-bit arch */
+#define LPU64 "%Lu"
+#define LPD64 "%Ld"
+#define LPX64 "%Lx"
+
#endif