From 39791d4bcb0f7a8919d71ca90681317eaa93057e Mon Sep 17 00:00:00 2001
From: tappro <tappro>
Date: Thu, 19 Oct 2006 00:52:46 +0000
Subject: [PATCH] - enable check for correct placement in split dir -
 lmv_intent_open() uses lmv_get_export()

---
 lustre/cmm/cmm_object.c |  3 +--
 lustre/cmm/cmm_split.c  |  6 ++----
 lustre/lmv/lmv_intent.c | 22 ++++++++--------------
 3 files changed, 11 insertions(+), 20 deletions(-)

diff --git a/lustre/cmm/cmm_object.c b/lustre/cmm/cmm_object.c
index ec49af8..f029449 100644
--- a/lustre/cmm/cmm_object.c
+++ b/lustre/cmm/cmm_object.c
@@ -361,8 +361,7 @@ static int cml_lookup(const struct lu_env *env, struct md_object *mo_p,
 {
         int rc;
         ENTRY;
-#if 0
-        //#ifdef HAVE_SPLIT_SUPPORT
+#ifdef HAVE_SPLIT_SUPPORT
         rc = cmm_mdsnum_check(env, mo_p, name);
         if (rc)
                 RETURN(rc);
diff --git a/lustre/cmm/cmm_split.c b/lustre/cmm/cmm_split.c
index c78c367..b6e287a 100644
--- a/lustre/cmm/cmm_split.c
+++ b/lustre/cmm/cmm_split.c
@@ -73,7 +73,6 @@ int cmm_mdsnum_check(const struct lu_env *env, struct md_object *mp,
                 RETURN(rc);
 
         if (ma->ma_valid & MA_LMV) {
-                struct lu_buf *buf;
                 int stripe;
 
                 OBD_ALLOC(ma->ma_lmv, ma->ma_lmv_size);
@@ -81,9 +80,8 @@ int cmm_mdsnum_check(const struct lu_env *env, struct md_object *mp,
                         RETURN(-ENOMEM);
 
                 /* get LMV EA */
-                buf = cmm_buf_get(env, ma->ma_lmv, ma->ma_lmv_size);
-                rc = mo_xattr_get(env, md_object_next(mp), buf,
-                                  MDS_LMV_MD_NAME);
+                ma->ma_need = MA_INODE | MA_LMV;
+                rc = mo_attr_get(env, mp, ma);
                 if (rc)
                         RETURN(rc);
                 
diff --git a/lustre/lmv/lmv_intent.c b/lustre/lmv/lmv_intent.c
index 47cbd7c..16f768f 100644
--- a/lustre/lmv/lmv_intent.c
+++ b/lustre/lmv/lmv_intent.c
@@ -186,6 +186,7 @@ int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data,
                     int extra_lock_flags)
 {
         struct obd_device *obd = exp->exp_obd;
+        struct obd_export *tgt_exp;
         struct lu_fid rpid = op_data->fid1;
         struct lmv_obd *lmv = &obd->u.lmv;
         struct mdt_body *body = NULL;
@@ -193,7 +194,6 @@ int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data,
         struct lmv_stripe_md *mea;
         struct lmv_obj *obj;
         int rc, loop = 0;
-        mdsno_t mds;
         ENTRY;
 
         OBD_ALLOC_PTR(sop_data);
@@ -205,10 +205,6 @@ int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data,
 
 repeat:
         LASSERT(++loop <= 2);
-        rc = lmv_fld_lookup(lmv, &rpid, &mds);
-        if (rc)
-                GOTO(out_free_sop_data, rc);
-
         obj = lmv_obj_grab(obd, &rpid);
         if (obj) {
                 int mea_idx;
@@ -221,20 +217,18 @@ repeat:
                                        op_data->namelen);
 
                 rpid = obj->lo_inodes[mea_idx].li_fid;
-                rc = lmv_fld_lookup(lmv, &rpid, &mds);
                 lmv_obj_put(obj);
-                if (rc)
-                        GOTO(out_free_sop_data, rc);
-
-                CDEBUG(D_OTHER, "forward to MDS #"LPU64" ("DFID")\n",
-                       mds, PFID(&rpid));
+                CDEBUG(D_OTHER, "Choose slave dir ("DFID")\n", PFID(&rpid));
         }
 
+        tgt_exp = lmv_get_export(lmv, &rpid);
+        if (IS_ERR(tgt_exp))
+                GOTO(out_free_sop_data, rc = PTR_ERR(tgt_exp));
+        
         sop_data->fid1 = rpid;
 
-        rc = md_intent_lock(lmv->tgts[mds].ltd_exp, sop_data,
-                            lmm, lmmsize, it, flags, reqp,
-                            cb_blocking, extra_lock_flags);
+        rc = md_intent_lock(tgt_exp, sop_data, lmm, lmmsize, it, flags,
+                            reqp, cb_blocking, extra_lock_flags);
 
         if (rc == -ERESTART) {
                 /*
-- 
1.8.3.1