We get 64-bit xids over the wire, so we should store 64 bits on disk.

[fs/lustre-release.git] / lustre / include / linux / obd.h

diff --git a/lustre/include/linux/obd.h b/lustre/include/linux/obd.h
index 9eebcd3..eccf74f 100644 (file)
--- a/lustre/include/linux/obd.h
+++ b/lustre/include/linux/obd.h
@@ -12,7 +12,9 @@
 #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_type {
@@ -22,6 +24,39 @@ struct obd_type {
         int  typ_refcnt;
 };
 
+struct brw_page { 
+        struct page *pg;
+        obd_size count;
+        obd_off  off;
+        obd_flag flag;
+};
+
+struct lov_oinfo { /* per-child structure */
+        __u64 loi_id;
+        __u64 loi_size;
+};
+
+struct lov_stripe_md {
+        __u32 lmd_magic;
+        __u32 lmd_easize;          /* packed size for MDS of ea */
+        __u64 lmd_object_id;       /* lov object id */
+        __u64 lmd_stripe_offset;   /* offset of the stripe */ 
+        __u64 lmd_stripe_size;     /* size of the stripe */
+        __u32 lmd_stripe_count;    /* how many objects are being striped */
+        __u32 lmd_stripe_pattern;  /* per-lov object stripe pattern */
+        struct lov_oinfo lmd_oinfo[0];
+};
+
+struct lov_stripe_md_one {
+        __u32 lmd_magic;
+        __u32 lmd_easize;          /* packed size for MDS of ea */
+        __u64 lmd_object_id;       /* lov object id */
+        __u64 lmd_stripe_offset;   /* offset of the stripe */ 
+        __u64 lmd_stripe_size;     /* size of the stripe */
+        __u32 lmd_stripe_count;    /* how many objects are being striped */
+        __u32 lmd_stripe_pattern;  /* per-lov object stripe pattern */
+        struct lov_oinfo lmd_oinfo[1];
+};
 
 /* Individual type definitions */
 
@@ -41,6 +76,12 @@ struct obd_run_ctxt {
 #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;
@@ -55,7 +96,6 @@ struct filter_obd {
         struct address_space_operations *fo_aops;
 };
 
-struct mds_client_info;
 struct mds_server_data;
 
 struct client_obd {
@@ -69,15 +109,6 @@ struct client_obd {
         int cl_max_mdsize;
 };
 
-#if 0
-struct osc_obd {
-        struct ptlrpc_client *osc_client;
-        struct ptlrpc_client *osc_ldlm_client;
-        struct ptlrpc_connection *osc_conn;
-        __u8 osc_target_uuid[37];
-};
-#endif
-
 struct mds_obd {
         struct ptlrpc_service *mds_service;
 
@@ -96,8 +127,6 @@ struct mds_obd {
         __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;
 };
 
@@ -122,13 +151,11 @@ struct echo_obd {
 struct recovd_obd {
         time_t                recovd_waketime;
         time_t                recovd_timeout;
-        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_clients_lh; /* clients managed  */
-        struct list_head      recovd_troubled_lh; /* clients in trouble */
+        __u32                 recovd_flags; 
+        __u32                 recovd_wakeup_flag; 
+        spinlock_t            recovd_lock;
+        struct list_head      recovd_managed_items; /* items managed  */
+        struct list_head      recovd_troubled_items; /* items in trouble */
         wait_queue_head_t     recovd_recovery_waitq;
         wait_queue_head_t     recovd_ctl_waitq;
         wait_queue_head_t     recovd_waitq;
@@ -210,7 +237,7 @@ struct obd_device {
         } u;
 };
 
-typedef void (*brw_callback_t)(void *);
+struct io_cb_data;
 
 struct obd_ops {
         int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
@@ -223,7 +250,8 @@ struct obd_ops {
         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 lustre_handle *conn, struct obd_device *src);
+        int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
+                         char *cluuid);
         int (*o_disconnect)(struct lustre_handle *conn);
 
 
@@ -244,8 +272,8 @@ struct obd_ops {
                        struct lov_stripe_md *);
         int (*o_brw)(int rw, struct lustre_handle *conn,
                      struct lov_stripe_md *md, obd_count oa_bufs,
-                     struct page **buf, obd_size *count, obd_off *offset,
-                     obd_flag *flags, brw_callback_t callback, void * data);
+                     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);
@@ -267,13 +295,17 @@ struct obd_ops {
                           int objcount, struct obd_ioobj *obj,
                           int niocount, struct niobuf_local *local,
                           void *desc_private);
-        int (*o_enqueue)(struct lustre_handle *conn,
-                         struct lustre_handle *parent_lock, __u64 *res_id,
+        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 *, __u32 mode,
-                        struct lustre_handle *);
+        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