From 9e706e8ac8e406270bddf531e133aff65d3e59dc Mon Sep 17 00:00:00 2001
From: tappro <tappro>
Date: Mon, 17 Apr 2006 10:00:11 +0000
Subject: [PATCH] update cmm

---
 lustre/cmm/cmm_device.c | 34 ++++++++--------------------------
 lustre/cmm/cmm_object.c | 22 ++++++++++++++++++----
 2 files changed, 26 insertions(+), 30 deletions(-)

diff --git a/lustre/cmm/cmm_device.c b/lustre/cmm/cmm_device.c
index 3a9c8e6..d4f72df 100644
--- a/lustre/cmm/cmm_device.c
+++ b/lustre/cmm/cmm_device.c
@@ -61,32 +61,26 @@ static struct md_device_operations cmm_md_ops = {
         .mdo_statfs     = cmm_statfs
 };
 
-static int cmm_device_init(struct lu_device *d, const char *top)
+static int cmm_device_init(struct lu_device *d, struct lu_device *next)
 {
         struct cmm_device *m = lu2cmm_dev(d);
-        struct lu_device *next;
-        int err;
+        int err = 0;
 
         ENTRY;
 
-        LASSERT(m->cmm_child);
-        next = md2lu_dev(m->cmm_child);
+        m->cmm_child = lu2md_dev(next);
 
-        LASSERT(next->ld_type->ldt_ops->ldto_device_init != NULL);
-        err = next->ld_type->ldt_ops->ldto_device_init(next, top);
         RETURN(err);
 }
 
-static void cmm_device_fini(struct lu_device *d)
+static struct lu_device *cmm_device_fini(struct lu_device *d)
 {
 	struct cmm_device *m = lu2cmm_dev(d);
-        struct lu_device *next;
+        struct lu_device *next = md2lu_dev(m->cmm_child);
 
-	LASSERT(m->cmm_child);
-        next = md2lu_dev(m->cmm_child);
-
-        LASSERT(next->ld_type->ldt_ops->ldto_device_fini != NULL);
-        next->ld_type->ldt_ops->ldto_device_fini(next);
+        ENTRY;
+        EXIT;
+        return next;
 }
 
 static struct lu_device_operations cmm_lu_ops = {
@@ -102,8 +96,6 @@ struct lu_device *cmm_device_alloc(struct lu_device_type *t,
 {
         struct lu_device  *l;
         struct cmm_device *m;
-        struct obd_device * obd = NULL;
-        char * child = lustre_cfg_string(cfg, 1);
 
         ENTRY;
 
@@ -115,16 +107,6 @@ struct lu_device *cmm_device_alloc(struct lu_device_type *t,
                 m->cmm_md_dev.md_ops = &cmm_md_ops;
 	        l = cmm2lu_dev(m);
                 l->ld_ops = &cmm_lu_ops;
-
-                /* get next layer */
-                obd = class_name2obd(child);
-                if (obd && obd->obd_lu_dev) {
-                        CDEBUG(D_INFO, "Child device is %s\n", child);
-                        m->cmm_child = lu2md_dev(obd->obd_lu_dev);
-                } else {
-                        CDEBUG(D_INFO, "Child device %s not found\n", child);
-                        l = ERR_PTR(-EINVAL);
-                }
         }
 
         EXIT;
diff --git a/lustre/cmm/cmm_object.c b/lustre/cmm/cmm_object.c
index 06fe7ef..662b08b 100644
--- a/lustre/cmm/cmm_object.c
+++ b/lustre/cmm/cmm_object.c
@@ -36,7 +36,8 @@
 
 static struct md_object_operations cmm_mo_ops;
 
-struct lu_object *cmm_object_alloc(struct lu_context *ctx, struct lu_device *d)
+struct lu_object *cmm_object_alloc(struct lu_context *ctx,
+                                   struct lu_device *d)
 {
 	struct cmm_object *mo;
         ENTRY;
@@ -58,10 +59,21 @@ int cmm_object_init(struct lu_context *ctxt, struct lu_object *o)
 	struct cmm_device *d = lu2cmm_dev(o->lo_dev);
 	struct lu_device  *under;
 	struct lu_object  *below;
+        //struct lu_fid     *fid = &o->lo_header->loh_fid;
+        //int mds_index;
         ENTRY;
-
-	under = &d->cmm_child->md_lu_dev;
-	below = under->ld_ops->ldo_object_alloc(ctxt, under);
+        
+        /* under device can be MDD or MDC */
+#if 0
+        mds = cmm_fld_lookup(fid);
+        if (mds_index != d->local_index)
+	        under = &d->cmm_lmv->md_lu_dev;
+        else 
+#endif
+                under = &d->cmm_child->md_lu_dev;
+        
+        
+        below = under->ld_ops->ldo_object_alloc(ctxt, under);
 	if (below != NULL) {
 		lu_object_add(o, below);
 		RETURN(0);
@@ -71,7 +83,9 @@ int cmm_object_init(struct lu_context *ctxt, struct lu_object *o)
 
 void cmm_object_free(struct lu_context *ctx, struct lu_object *o)
 {
+        struct cmm_object *mo = lu2cmm_obj(o);
 	lu_object_fini(o);
+        OBD_FREE_PTR(mo);
 }
 
 void cmm_object_release(struct lu_context *ctxt, struct lu_object *o)
-- 
1.8.3.1