rename cmm_mdc into mdc_device

[fs/lustre-release.git] / lustre / cmm / cmm_internal.h

diff --git a/lustre/cmm/cmm_internal.h b/lustre/cmm/cmm_internal.h
index 53226a7..a7586bd 100644 (file)
--- a/lustre/cmm/cmm_internal.h
+++ b/lustre/cmm/cmm_internal.h
@@ -29,14 +29,15 @@
 #include <linux/md_object.h>
 
 struct cmm_device {
-        struct md_device        cmm_md_dev;
+        struct md_device cmm_md_dev;
         /* underlaying device in MDS stack, usually MDD */
-        struct md_device        *cmm_child;
+        struct md_device *cmm_child;
         /* other MD servers in cluster */
-        struct md_device        *cmm_cluster;
+        __u32            cmm_local_num;
+        __u32            cmm_tgt_count;
+        struct list_head cmm_targets;
 };
 
-
 static inline struct md_device_operations *cmm_child_ops(struct cmm_device *d)
 {
         return (d->cmm_child->md_ops);
@@ -44,13 +45,13 @@ static inline struct md_device_operations *cmm_child_ops(struct cmm_device *d)
 
 static inline struct cmm_device *md2cmm_dev(struct md_device *m)
 {
-        return container_of(m, struct cmm_device, cmm_md_dev);
+        return container_of0(m, struct cmm_device, cmm_md_dev);
 }
 
-static struct cmm_device *lu2cmm_dev(struct lu_device *d)
+static inline struct cmm_device *lu2cmm_dev(struct lu_device *d)
 {
        //LASSERT(lu_device_is_cmm(d));
-       return container_of(d, struct cmm_device, cmm_md_dev.md_lu_dev);
+       return container_of0(d, struct cmm_device, cmm_md_dev.md_lu_dev);
 }
 
 static inline struct lu_device *cmm2lu_dev(struct cmm_device *d)
@@ -59,7 +60,9 @@ static inline struct lu_device *cmm2lu_dev(struct cmm_device *d)
 }
 
 struct cmm_object {
-       struct md_object        cmo_obj;
+       struct md_object cmo_obj;
+        /* mds number where object is placed */
+        __u32            cmo_num;
 };
 
 static inline struct cmm_device *cmm_obj2dev(struct cmm_object *c)
@@ -70,13 +73,18 @@ static inline struct cmm_device *cmm_obj2dev(struct cmm_object *c)
 static inline struct cmm_object *lu2cmm_obj(struct lu_object *o)
 {
        //LASSERT(lu_device_is_cmm(o->lo_dev));
-       return container_of(o, struct cmm_object, cmo_obj.mo_lu);
+       return container_of0(o, struct cmm_object, cmo_obj.mo_lu);
+}
+
+static inline int cmm_is_local_obj(struct cmm_object *c)
+{
+        return (c->cmo_num == cmm_obj2dev(c)->cmm_local_num);
 }
 
 /* get cmm object from md_object */
 static inline struct cmm_object *md2cmm_obj(struct md_object *o)
 {
-       return container_of(o, struct cmm_object, cmo_obj);
+       return container_of0(o, struct cmm_object, cmo_obj);
 }
 /* get lower-layer object */
 static inline struct md_object *cmm2child_obj(struct cmm_object *o)
@@ -85,23 +93,24 @@ static inline struct md_object *cmm2child_obj(struct cmm_object *o)
 }
 
 /* cmm_object.c */
-int cmm_object_init(struct lu_object*);
-struct lu_object *cmm_object_alloc(struct lu_device *);
-void cmm_object_free(struct lu_object *o);
-void cmm_object_release(struct lu_object *o);
+struct lu_object *cmm_object_alloc(struct lu_context *ctx, struct lu_device *);
+void cmm_object_free(struct lu_context *ctx, struct lu_object *o);
 //int cmm_getattr(struct lu_object *o, struct lu_attr *a);
 //int cmm_setattr(struct lu_object *o, struct lu_attr *a);
-int cmm_object_print(struct seq_file *f, const struct lu_object *o);
 
 /* cmm md operations */
-int cmm_config(struct md_device *md, const char *name,
+int cmm_config(struct lu_context *ctx, struct md_device *md, const char *name,
                void *buf, int size, int mode);
-int cmm_root_get(struct md_device *m, struct lu_fid *f);
-int cmm_statfs(struct md_device *m, struct kstatfs *sfs);
-int cmm_mkdir(struct md_object *o, const char *name,
+int cmm_root_get(struct lu_context *ctx, struct md_device *m, struct lu_fid *f);
+int cmm_statfs(struct lu_context *ctx,
+               struct md_device *m, struct kstatfs *sfs);
+int cmm_object_create(struct lu_context *, struct md_object *);
+int cmm_mkdir(struct lu_context *ctxt, struct lu_attr*,
+              struct md_object *o, const char *name,
               struct md_object *child);
-int cmm_attr_get(struct md_object *obj, void *buf, int size,
-                 const char *name, struct context *ctxt);
+int cmm_xattr_get(struct lu_context *ctxt,
+                  struct md_object *obj, void *buf, int size,
+                  const char *name);
 
 #endif /* __KERNEL__ */
 #endif /* _CMM_INTERNAL_H */